Dr. Ashfaq Khokhar: Publications

Google Scholar Profile: https://scholar.google.com/citations?user=EWnVKwIAAAAJ&hl=e

     Archival Journals

  1. Y. Keshtkarjahromi, H. Seferoglu, R. Ansari, A. Khokhar, “Device-to-Device Networking Meets Cellular via Network Coding,” IEEE/ACM Transactions on Networking, Vol. PP, pp. 1-14, 2018.
  2. F. Zhou, G. Trajcevski, R. Tamassia, B. Avci, A. Khokhar, P. Scheuermann, “Bypassing Holes in Sensor Networks: Load-balance vs. Latency,” Ad Hoc Networks Vol. 61, pp. 16-32, 2017.
  3. U. Cheema, G. Nash, R. Ansari, A. Khokhar, “Memory-optimized Re-gridding Architecture for Non-Uniform Fast Fourier Transform,” IEEE Transactions on Circuits and Systems I, Vol. 64 (7), pp. 1853 – 1864, 2017.
  4. X. Xu, R. Ansari, A. Khokhar, “Parallel Nonuniform Discrete Fourier Transform (P-NDFT) Over a Random Wireless Sensor Network,” IEEE Transactions on Parallel and Distributed Systems, Vol. PP(99), 2017.
  5. J. Johnson, MK. Lodhi, U. Cheema, J. Stifter, K. Dunn-Lopez, Y. Yao, G. Keenan, R. Ansari, A. Khokhar, D. Wilkie, “Outcomes for End-of-Life Patients with Anticipatory Grieving: Insights from Practice with Standardized Nursing Terminologies within an Interoperable Internet-based Electronic Health Record,” Journal of Hospice & Palliative Care Nursing, 2017.
  6. Y. Keshtkarjahromi, H. Seferoglu, R. Ansari, and A. Khokhar, “Content-Aware Network Coding over Device-to-Device Networks,” IEEE Transactions on Mobile Computing, Vol. 16(8), pp. 2147-2158. 2016.
  7. A. Khokhar, M.K. Lodhi, Y. Yao, R. Ansari, G. Keenan, D. Wilkie, “Framework for Mining and Analysis of Standardized Nursing Care Plan Data,” Western Journal of Nursing Research,. 2016.
  8. X. Xu, R. Ansari, A. Khokhar, and A. Vasilakos, “Hierarchical Data Aggregation using Compressive Sensing (HDACS) in WSNs,” ACM Transactions on Sensor Networks, October 2015.
  9. M. K. Lodhi, J. Stifter, Y. Yao, R. Ansari, G.M. Keenan, D.J. Wilkie, and  A. Khokhar, Predictive Modeling for End-of-Life Pain Outcome Using Electronic Health Records, Advances in Data Mining: Applications and Theoretical Aspects, Springer International Publishing, pp. 56-68, 2015.
  10. J. Stifter, Y. Yao, K. Dunn-Lopez, A. Khokhar, G. Keenan, and D. Wilkie, “Proposing a New Conceptual Model and an Exemplar Measure Using Health Information Technology to Examine the Influence of Relational Nurse Continuity on Hospital- Acquired Pressure Ulcers,” Advances In Nursing Science, 2015.
  11. J. Stifter, Y. Yao, M. Lodhi, K. Dunn Lopez, A. Khokhar, D. J. Wilkie, and G. M.  Keenan, “Using Electronic Health Record (EHR) “Big Data” to Examine the Influence of Nurse Continuity on a Hospital-Acquired Never Event,” Journal of Nursing Research, 2015.
  12. M. Ali Mohamed, A. Khokhar, G. Trajcevski, “Energy Efficient Data Indexing and Query Processing for Static and Mobile Wireless Sensor Networks,” International Journal of Next-Generation Computing (IJNGC), Vol. 6(2), 2015.
  13. M. Hefeida and A. Khokhar, “Medium Access Control in Wireless Sensor Networks: A Survey,” International Journal of Information and Communication Technology, 2015.
  14. M. Lodhi , U. Cheema , J. Stifter , G. M. Keenan , D. J. Wilkie , Y. Yao , R. Ansari, and A. Khokhar, “Death Anxiety: How Nurses Can Help Patients Die Comfortably,” Anxiety.org, 2015. (Online Publication)
  15. Y. Yao, J. Stifter, J., M.O. Ezenwa, M. Lodhi, A. Khokhar, R.  Ansari, G. Keenan, D.J. Wilkie, Info-markers for Transition to Palliative Care in Patients Close to Death, Palliative and Supportive Care Journal, November 2014.
  16. M. K. Lodhi, U. Cheema, J. Stifter, D. Wilkie, G. Keenan, Y. Yao, R. Ansari, and A. Khokhar, “Hospitalized End-of-Life Patients’ Death Anxiety Captured from a Structured Electronic Health Record: Differences by Patient and Nurse Characteristics,“ Research in Gerontological Nursing, 7(5) 224-234, 2014. doi:10.3928/19404921-20140818-01
  17. F. Al-Masalha, R. Hasimoto, and A. Khokhar, “Partial Encryption of Video Bit-Streams using Coupled Chaotic Maps,” Entropy 16(10), 5575-5600, 2014. doi:10.3390/e16105575.
  18. Shen, A.D. Kshemkalyani, and A. Khokhar, Detecting Stable Locality-Aware Predicates, Journal of Parallel and Distributed Computing, 74(1): 1971-1983, Jan 2014.
  19. M. Hefeida, T. Canli, and A. Khokhar, “CL-MAC: A Cross-Layer MAC Protocol for Heterogeneous Wireless Sensor Networks,” Ad hoc Networks, Volume 11, Issue 1, January 2013, Pages 213-225.
  20. F. Zhou, G. Trajcevski, R. Tamassia, A. Khokhar and P. Scheuermann: Deflection-Aware Tracking Principals Selection in Active Wireless Sensor Networks. IEEE Transactions on Vehicular Technology (IEEE-TVT), Vol. 61(7): 3240-3254, 2012.
  21. Y. Yao, G. Keenan, D.  Xu, A. Khokhar, F. Al-Masalha, K. Dunn Lopez, R. Ansari, and D.J. Wilkie, “Current State of Pain Care for Hospitalized Patients at End of Life,” American Journal of Hospice and Palliative Medicine, in press. 2012.
  22. F. Al-Masalha, D. Xu, G. Keenan, A. Khokhar, J.  Chen, A. Johnson, R. Ansari, and D.J. Wilkie, “Pain Management in Hospitalized Patients at End of Life: Mining of Nursing Care Plans,” International Journal of Nursing Knowledge, in press., 2012.
  23. A. Kshemkalyani, A. Khokhar, and M. Shen, “Execution and Time Models for Pervasive Sensor Networks,” International Journal of Networking and Computing, 2(1): 2-17, 2012. .
  24. F. Saeed, A. Khokhar, and T. Wolf-Berger, “High Performance Multiple Sequence Alignment System for Pyrosequencing Reads from Multiple Reference Genomes,” Journal o Parallel and Distributed Computing (JPDC), in press, August, 2011.
  25. M. Hussain, M. Abid, M. Ahmad, A. Khokhar, and A. Masud, “A Parallel Implementation of ALE Moving Mesh Technique for FSI Problems using OpenMP,” International Journal  of Parallel Programming, 30: 717-745. DOI: 10.1007/s10766-011-0168-3, 26 March 2011.
  26. M. V. Ashley, T. Y. Berger-Wolf, W. Chaovalitwongse, B. DasGupta, A.  Khokhar and S. Sheikh, “On Approximating an Implicit Cover Problem in Wild Population Study”, Discrete Mathematics, Algorithms and  Applications, in press, 2010.
  27. S. I. Sheikh, T. Y. Berger-Wolf, A. Khokhar, I. C. Caballero, C.A. Chou M. V. Ashley, W. Chaovalitwongse and B. DasGupta, “Combinatorial Reconstruction of Half-Sibling Groups,” Special Issue of Journal of Bioinformatics and Computational Biology, April 2010.
  28. H. Wang, F. Na¨ıt-Abdesselam, and A. Khokhar, “An Asynchronous Low Power MAC Protocol for Wireless Sensor Networks,” Wireless Communications and Mobile Computing Journal, April 2011.
  29. H. Wang, F. Na¨ıt-Abdesselam, and A. Khokhar, “Cross Layer Optimized MAC to Support Multihop QoS Routing for Wireless Sensor Networks,” IEEE Transactions on Vehicular Technology, Vol. 59, No. 5, pp. 2556–2563, June 2010.
  30. F. Saeed and A. Khokhar, “A Domain Decomposition Strategy for Multiple Sequence Alignment of Protein Sequences on Multiprocessors”, Journal of Parallel and Distributed Computing, Vol. 69, No. 7, pp. 666-677, July 2009.
  31. X. Ma, D. Schonfeld, and A. Khokhar, “Video Event Classification and Image Segmentation Based on Non-Causal Multi-Dimensional Hidden Markov Models,” IEEE Transactions on Image Processing, Vol. 18, No. 6, pp.1304-1313, June 2009.
  32. X. Chen, D. Schonfeld and A. Khokhar, ”Localization and trajectory estimation of mobile object using minimum samples,” IEEE Transactions on Vehicular Technology (TVT), Vol. 58, No. 8, pp. 4439-4448, 2009.
  33. S. Ababneh, R. Ansari, and A. Khokhar, “Compensated Signature Embedding for Multimedia Content Authentication,” ACM, Journal of Data and Information Quality, accepted to appear, 2009.
  34. S. Ababneh, S., R. Ansari, A. Khokhar, “Iterative Compensation Schemes for Multimedia Content Authentication,” Elsevier, Journal of Visual Comm. and Image Representation, Vol. 20, No. 5, pp. 303-311, 2009.
  35. X. Zhang, H. Wang, F. Na¨ıt-Abdesselam, and A. Khokhar, “Optimizing Distortion for Real-Time Data Gathering in Randomly Deployed Sensor Networks,” Wireless Communications and Mobile Computing Journal, Vol. 9, No. 10, pp. 1360-1368, October 2009.
  36. W. Ahmad, A. Khokhar, cHawk: “A Highly Efficient Biclustering Algorithm Using Weighted Bigraph Crossing Minimization,” Bioinformatics, accepted to appear.
  37. X. Ma, F. Bashir, A. Khokhar, and D. Schonfeld, “Event analysis based on multiple interactive motion trajectories,” IEEE Transactions on Circuits and Systems for Video Technology, Vol. 19, No. 3, pp. 397-406, March 2008.
  38. X. Zhang, H. Wang, F. Na¨ıt-Abdesselam, and A. Khokhar, “Distortion Analysis for Real-Time Data Collection of Spatio-temporally Correlated Data Fields in Wireless Sensor Networks,” IEEE Transactions on Vehicular Technology, Vol. 58, No. 3, pp. 1583-1594, Match 2009.
  39. L. Abusalah, A. Khokhar, and M. Guizani, “Security and Trust in Mobile Ad-Hoc Networks,” IEEE Communications Surveys and Tutorials, Volume 10, No. 4, pp. 78 – 93, 2008.
  40. S. Djahel, F. Na¨ıt-Abdesselam, Z. Zhang, and A. Khokhar, “Defending Against Packets Dropping Attack in Vehicular Ad Hoc Networks,” Security and Communication Networks, John Wiley & Sons, Vol. 1, No. 3, pp. 245-258, 2008.
  41. Z. Kamal, A. Gupta, A. Khokhar, and L. Lilien, “Power Consumption Analysis of Maximum A Posterior Classifier Using LU Decomposition and Jacobi Iterations” IEEE Transactions on Parallel and Distributed Systems, Vol. 16, No. 7, pp. 1473-1483, 2008.
  42. H. Malik, R. Ansari, and A. Khokhar, “Robust audio watermarking using frequency-selective spread spectrum,” IET Information Security, Vol. 2,  No. 4, pp. 129 – 150,  December 2008.
  43. F.I. Bashir, A.A. Khokhar, and D. Schonfeld, “Object Trajectory based Activity Classification and Recognition using Hidden Markov Models,” IEEE Transactions on Image Processing, Vol. 16, pp. 1912-1919, 2007.
  44. R. Hasimoto and A. Khokhar, “Spatial Error Concealment in Images Based on Bezier Curves,” Computación y Sistemas, Mexico, accepted to appear.
  45. H. Malik, R. Ansari, and A. Khokhar, “Robust Data-Hiding in Audio Using Allpass Filters,” IEEE Transactions on Audio, Speech and Language Processing, Vol. 15,  No. 4, pp. 1296-1304, May 2007.
  46. F. Bashir, A.A. Khokhar, and D. Schonfeld, “Real-time Motion Trajectory-based Indexing and Retrieval of Video Sequences,” IEEE Transactions on Multimedia, vol. 9, No. 1, pp. 58-65, January 2007.
  47. S. Shah, S. Khanvilkar and A. Khokhar, “RapidIO Traffic Management and Flow Arbitration Protocol”, IEEE Communication Magazine, Vol. 44, No. 7, pp. 45-52, July 2006.
  48. F. Bashir, A. Khokhar, and D. Schonfeld, “Real-time Affine-invariant Motion Trajectory-based Retrieval and Classification of Video Sequences from Arbitrary Camera View,” ACM Multimedia Systems Journal, Special Issue on Machine Learning Approaches to Multimedia Information vol. 12, pp. 45-54, 2006.
  49. Z. Chen and A. Khokhar, “A Channel Reservation Procedure for Fading Channels in Wireless Local Area Networks,” IEEE Transactions on Wireless Communications, Volume 4, Issue 2, pp. 689 – 699, 2005.
  50. J. Wang, J. Ikram, and A. Khokhar, “Video Communication with QoS Guarantees over HIPERLAN/2,” Journal of Wireless Communication and Mobile Computing, Volume 5, Issue 2, pp. 153-164, 2005.
  51. Z. Chen and A. Khokhar, “Improved MAC Protocols for DCF and PCF Modes over Fading Channels in Wireless LANs,” Journal of Wireless Communication and Mobile Computing, Volume 5, Issue 3, pp. 319-327, 2005.
  52. C. Chang, R. Ansari, and A. Khokhar, “Efficient Tracking of Cyclic Human Motion by Component Motion,” IEEE Signal Processing Letters, Vol.11, No. 12, 941-944, 2004.
  53. S. Khanvilker and A. Khokhar, “Virtual Private Networks (VPNs): An Overview with Performance Evaluation,” IEEE Communication Magazine, Vol. 42, No. 10, pp. 146-154, 2004.
  54. A. Javed, and A. Khokhar, “Scalable Parallel Algorithms for Mining Frequent Patterns on Message Passing Machines,” Journal of Parallel and Distributed Databases, Vol. 16 No. 3, pp.321-334, 2004.
  55. A. Khokhar, and A. Ghafoor, “Distributed Multimedia Document Management Systems,” Editorial, Special Issue, ACM Multimedia Systems, Vol. 9, No. 6, pp. 533-534, 2004.
  56. P. Thulasiraman, A. Khokhar, K. Theobold, and G. Gao, “Multithreaded Algorithms and Implementation for Discrete Fourier Transform,” Parallel and Distributed Computing Practices (PDCP), in press, accepted since November 2003.
  57. R. Hasimoto, and A. Khokhar, “Compression Efficient Interleaving Techniques for Image/Video Communication over ATM Networks,” Journal of Visual Communication and Image Representation, Vol. 15, No. 4, pp. 522-547, 2004.
  58. P. Thulasiraman, A. Khokhar, G. Heber, and G. Gao, “Load Adaptive Algorithms and Implementations for the 2D Discrete Wavelet Transform on Fine-Grain Multithreaded Architectures, ”Journal of Parallel and Distributed Computing, Vol. 64, No. 1, pp. 68-78, 2004.
  59. A. Khokhar, E. Kocalar and S. Hambrusch, “Algorithms and Models for Termination Detection in SPMD Paradigms, “Journal of Parallel and Distributed Computing, Vol. 63, No. 3, pp. 312-326, 2003.
  60. B. Shafiq, S. Baqai, H. Fahmi, A. Khokhar, and A. Ghafoor, “Wireless Network Resource Management for Web-based Multimedia Document Services,” IEEE Multimedia, Special issue on Multimedia Communication, Vol. 41, No. 3, pp. 138–145, 2003.
  61. E. Albuz E. Kocalar, and A. Khokhar, “Scalable Indexing and Retrieval System using Vector Wavelets,” IEEE Transactions on Knowledge and Data Engineering, Vol. 13, No. 5, pp. 851-861, 2001.
  62. J. Patel, A. Khokhar, and L. Jamieson, “Scalability of 2-D Wavelet Transform Algorithms: Analytical and Experimental Results on MPPs,” IEEE Transactions on Signal Processing, Vol. 48, No. 12, pp. 3407-3419, 2000.
  63. Y. Day, S. Dagtas, A. Khokhar, and A. Ghafoor, “A Multi-level Abstraction and Modeling in Video Databases,” ACM Multimedia Systems, Vol. 7, No. 5, pp. 409-423, 1999.
  64. S. Hambrusch, A. Khokhar, and Y. Liu, “S-to-P Broadcasting on Coarse-grained Parallel Machines,” IEEE Transactions on Parallel and Distributed Systems, Vol. 9, No. 8, pp 758–768, 1998. (Also in Proceedings of the 25-th International Conference on Parallel Processing, Vol. I, pp 69-76, 1996. Outstanding Paper Award.)
  65. F. Dehne, X. Deng, P. Dymond, A. Fabri, and A. Khokhar, “A Randomized Parallel 3D Convex Hull Algorithm for Coarse Grained Multicomputers,” Theory of Computing Systems, Vol. 30, pp. 547-558,1997.
  66. J. Patel, A. Khokhar, and L. Jamieson, “Scalable Parallel Implementations of List Ranking on Fine-grained Machines,” IEEE Transactions on Parallel and Distributed Systems, Vol. 8, No. 10, pp. 1006-1018, 1997.
  67. F. Hameed, A. Khokhar, S. Hambrusch, and J. Patel, “Contour Ranking on Coarse-grained Machines: A Case Study for Low-level Vision Computations,” Concurrency: Practice and Experience, Vol. 9, No. 3, pp 203-222, 1997.
  68. S. Baqai, M. Khan, M. Woo, S. Shinkai, A. Khokhar, and A. Ghafoor, “Quality-Based Evaluation of Multimedia Synchronization Protocols for Distributed Multimedia Information Systems,” IEEE Journal on Selected Areas in Communications, Vol. 14, No. 7, pp. 1388-1403, 1996.
  69. S. Hambrusch, and A. Khokhar, “C3: An Architecture Independent Model for Coarse-grained Parallel Machines,” Journal of Parallel and Distributed Computing, Vol. 32, pp. 139-154,1996.
  70. S. Hambrusch, F. Hameed, and A. Khokhar, “Communication Operations on Coarse-grained Mesh Architectures,” Parallel Computing, Vol. 21, pp. 731-751, 1995.
  71. M. Khan, A. Khokhar, and A. Ghafoor, “Issues in Storage and Retrieval of Multimedia Data,” ACM Multimedia Systems, Vol. 3, pp. 298-304, 1995.
  72. A. Khokhar, C. Wang, V. Prasanna, and H. Kim, “Scalable Data Parallel Implementations of Object Recognition using Geometric Hashing,” Journal of Parallel and Distributed Computing, Special Issue on Data Parallel Algorithms and Programming, Vol. 21, pp. 96-109, 1994.
  73. A. Khokhar, C. Wang, M. Shaaban, and V. Prasanna, “Heterogeneous Computing: Challenges and Opportunities, ”IEEE Computer Magazine, Special Issue on Heterogeneous Processing, Vol. 26, No. 6, pp. 18-27, June 1993.
  74. A. Khokhar, V. Prasanna, “Mapping Stereo and Image Matching Algorithms onto Parallel Architectures,” Sadhana: Indian Academy of Sciences, Special Issue on Computer Vision, Vol. 18, No.2, pp. 209-221, June 1993.

 

Refereed Conference Proceedings

     2018

  1. S. Djahel, A. Jones, Y. Hadjadj-Aoulz and A. Khokhar, “CRITIC: A Cognitive Radio Inspired Road Traffic Congestion Reduction Solution,” Wireless Days (WD), 2018. (accepted to appear)
  2. Y. Tseng, F. Nait-Abdesselam, and A. Khokhar, “SENAD: Securing Network Application Deployment in Software Defined Networks,” IEEE ICC: Communication and Information Systems Security Symposium, 2018. (accepted to appear)
  3. A. Kshemkalyani, A. Khokhar and M. Shen, “Encoded Vector Clock: Primes to Characterize Causality in Distributed Systems,” 19th International Conference on Distributed Computing and Networking (ICDCN), 2018. (accepted to appear)

    2017

  1. M.K., Lodhi, R. Ansari, Y. Yao, G. M. Keenan, D. J. Wilkie, and A. Khokhar, “Predicting Hospital Re-admissions from Nursing Care Data of Hospitalized Patients,” 17th Industrial Conference on Data Mining (ICDM 2017), New York, NY, USA, July 12-13,  pp. 181-193, 2017.
  2. P. Wongse-ammat, M. Hussain, G. Trajcevski, B. Avci, A. Khokhar, “Distributed In-Network Processing of k-MaxRS in Wireless Sensor Networks,” SENSORNETS, pp. 108-117, 2017.

    2016

  1. M. Hadjem, F. Naït-Abdesselam, and A. Khokhar, “ST-segment and T-wave anomalies prediction in an ECG data using RUSBoost,” HealthCom 2016.
  2. M.K. Lodhi, R. Ansari, Y. Yao, G.M. Keenan, D. Wilkie, and A. Khokhar, “A Framework to Predict Outcome for Cancer Patients using Data from a Nursing EHR,” IEEE International Conference on Big Data (Big Data), Pages: 3387 – 3395, DOI: 10.1109/BigData.2016.7840999, 2016.

    2015

  1. Y. Keshtkarjahromi, H. Seferoglu, R. Ansari, and A. Khokhar, “Network Coding for Cooperative Mobile Devices with Multiple Interfaces,” IEEE Military Communications Conference (Milcom), 2015.
  2. U. Cheema, G. Nash, R. Ansari, A. Khokhar, “InvArch: A Hardware-Efficient Architecture for Matrix Inversion” 2015 IEEE 33rd International Conference on Computer Design (ICCD), pp. 205-212, 18-21 Oct. 2015
  3. M. K. Lodhi, J. Stifter, D. J. Wilkie, G. M. Keenan, Y. Yao, R. Ansari, and A. Khokhar, “Predictive Modeling for End-of-Life Pain Outcome using Electronic Health Records,” ICDM 2015, 2015.
  4. M. K. Lodhi Y. Yao, G. M. Keenan, R. Ansari, D. J. Wilkie, A. Khokhar, “Predictive Modeling for Comfortable Death Outcome Using Electronic Health Records,” 4th International IEEE BigData Congress 2015; June 27 – July 2, New York, USA, 2015.
  5. G. Nash, U. Cheema, R. Ansari, and A. Khokhar, “Power-Efficient RMA SAR Imaging Using Pipelined Non-Uniform Fast Fourier Transform,” IEEE International Radar Conference, pp. 1600-1604, 2015.
  6. U. Cheema, G. Nash, R. Ansari, and A. Khokhar, “MedianPipe: An FPGA based Highly Pipelined and Scalable Technique for Median Filtering,” (poster presentation), FPGA 2015.
  7. Y. Keshtkarjahromi, H. Seferoglu, R. Ansari, and Ashfaq Khokhar, “Content-Aware Instantly Decodable Network Coding over Wireless Networks” to appear, ICNC 2015.
    (also received best poster award in N2Women Workshop, 2014).

     2014

  1. Y. Keshtkarjahromi, H. Seferoglu, R. Ansari, A. Khokhar, “Quality Improvement in Instantly Decodable Network Coding,” Invited Talk in CRAB Workshop, ICNP 2014, Raleigh, NC, Oct. 2014.
  2. U Cheema, G. Nash, R. Ansari, and A. Khokhar, “Power efficient re-gridding architecture for accelerating Non-Uniform Fast Fourier Transform,” 24th International Conference on Field Programmable Logic and Applications, 2014.
  3. M. Mohamed, A. Khokhar, and G. Trajcevski, Energy Efficient Resource Distribution for Mobile Wireless Sensor Networks, 1st International Workshop on Mobile Collaborative cROwdsourcing and Sensing (M-CROS), Held in conjunction with MDM, 2014.
  4. J. Stifter, Y. Yao, M.K. Lodhi, K. Dunn Lopez, A. Khokhar, D.J. Wilkie, and G. Keenan, “An Innovative Study to Link Patient Outcomes and Individual Nurse Continuity Using Practice Based Evidence,” Midwest Nursing Research Society, St. Louis, Missouri; March 2014. (also appeared as a poster in the 2nd Annual Advocate Nursing Research Symposium, Chicago, Illinois; April 2014)
  5. X. Xu, R. Ansari, and A. Khokhar, “Adaptive Hierarchical Data Aggregation using Compressive Sensing (A-HDACS) for Non-smooth Data Field,” ICC, 2014.
  6. M. Hefeida and A. Khokhar, “Energy Conservation in WSNs: A Collaborative Information Processing Approach,” 10th IEEE International Wireless Communications and Mobile Computing Conference (IWCMC), 2014.
  7. U. Cheema, G. Nash, R. Ansari, and A. Khokhar, “Memory Optimized Re-Gridding for Non-uniform Fast Fourier Transform on FPGAs”, The 22nd IEEE International Symposium on Field-Programmable Custom Computing Machines, 2014. (Extended Abstract Only).

2013

  1. U. Cheema and A. Khokhar, “A High Performance Architecture for Computation of Burrows-Wheeler Transform on FPGAs,” ReConfig, 2013.
  2. A. Keshtkarjahromi, R. Ansari, A. Khokhar, “Energy Efficient Decentralized Detection Based on Bit-optimal Multi-hop Transmission in One-dimensional Wireless Sensor Networks,” Wireless Days, 2013.
  3. Best Short Paper: Ali Mohammed, G. Trajcevski, A. Khokhar, “Voronoi Trees for Hierarchical In-Network Data and Space Abstractions in Wireless Sensor Networks,” MSWiM 2013.
  4. X. Xu, R. Ansari, and A. Khokhar, “Power-efficient Nonuniform 2-D Fourier Analysis using Compressive Sensing in WSN,” WCNC, 2013.
  5. X. Xu, R. Ansari, and A. Khokhar, “Power-efficient Hierarchical Data Aggregation using Compressive Sensing in WSN,” ICC 2013.
  6. M. Shen, Ajay D. Kshemkalyani, and Ashfaq Khokhar, “Scale-free detection of unstable locality aware predicates,” 12th International Symposium on Parallel and Distributed Computing (ISPDC), 2013.

2012

  1. M. Shen, A.D. Kshemkalyani, and Ashfaq Khokhar, “Detecting tree distributed predicates,” 41st International Conference on Parallel Processing Workshops (ICPPW) , 0:598–599, 2012.
  2. G. Keenan, A. Khokhar, A. Johnson, Y. Yao, and D. Wilkie, AMIA Panel: Meaningful Use of End-of-Life Data in EHR Systems: Multidisciplinary Challenges and Opportunities, AMIA 2012.
  3. M. Ali, G. Trajcevski, and A. Khokhar, “Approximate Hybrid Query Processing in Wireless Sensor Networks,” ACM GIS 2012.
  4. M. Hefeida and A. Khokhar, “Overhearing-based Dynamic Clustering via Application-controlled Medium Access in Wireless Sensor Networks,” IEEE Globecom, November 2012.
  5. X. Xu, R. Ansari, and Ashfaq Khokhar, “Power-efficient algorithms for Fourier analysis over random wireless sensor networks,” IEEE DCOSS, 2012.
  6. M. Hefeida, M. Shen, A.D. Kshemkalyani, A. Khokhar, Cross-Layer Protocols for WSNs: A Simple Design and Simulation Paradigm, 8th IEEE International Wireless Communications and Mobile Computing Conference (IWCMC), 2012.

2011

  1. M. Hefieda and A. Khokhar, “Supporting Multi-hop and Multi-packet Transmission in Asynchronous MAC Protocols for WSNs.” IFIP Wireless Days,  October 2011.
  2. G. Trajevski, F. Zhou, R. Tamassia, B. Avci, P. Scheuermann, and A. Khokhar, “Bypassing Holes in Sensor Networks: Load-balance vs. Latency,” IEEE Globecom, 2011.
  3. A.D. Kshemkalyani and M. Shen, “Execution and Time Models for Pervasive Sensor Networks,” 13th Workshop on Advances in Parallel and Distributed Computing Models (APDCM), May 2011.
  4. M. Ali and A. Khokhar, “Dynamic Indexing System for Spatio-Temporal Queries in Wireless Sensor Networks,” PhD Colloquium ACM MDM, June 2011.
  5. M. Hefieda, T. Canli, A.D. Kshemkalyani, and A. Khokhar, “Context Modeling in Collaborative Sensor Network Application,” Workshop on Collaboration in Sensor Networks and Application, International Conf. on Collaborative Technologies and Systems, May 2011.

2010

  1. F. Saeed and A. Khokhar, “Parallel Algorithm for Center Star Sequence and Alignments with applications to short reads”, International Conference On Bioinformatics and Computational Biology (ACM-BCB) in August 2010.
  2. F. Almasalha, R. Hasimoto, and A. Khokhar, “Scalable Encryption of Variable Length Coded Video Bit Streams,” 35th Annual IEEE Conference on Local Computer Networks (LCN), October 2010.
  3. F. Almasalha, R. Hasimoto, and A. Khokhar, “Performance Evaluation of Different Encryption Schemes on Portable and Mobile Platforms,” Workshop in Work in Progress, First IEEE International Conference on Green Computing, August 2010.
  4. X. Chen, D. Schonfeld, and A. Khokhar, “Bilinear Invariant Representation for Video Classification and Retrieval,” IEEE International Conference on Image Processing, Honk Kong, 2010.
  5. F. Almasalha, A. Khokhar, and S. Baqai, “Selective Encryption based Data Security for Ogg Streams,” IEEE International Conference on Acoustics Speech and Signal Processing (ICASSP), Vol., no., pp.1850-1853, March 2010.
  6. X. Chen, D. Schonfeld, and A. Khokhar, “Non-linear Kernel Space Invariant Representation for View-invariant Motion Trajectory Retrieval and Classification,” IEEE International Conference on Acoustics, Speech, and Signal Processing, Dallas, Texas, 2010.
  7. S. I. Sheikh, A. Khokhar and T. Y. Berger-Wolf  ” Efficient and scalable parallel reconstruction of sibling relationships from genetic data in wild- populations,” IEEE International Workshop on High Performance Computational Biology (HiCOMB 2010) held with IPDPS.
  8. T. Canli, M. Hefeida, and A. Khokhar, “BulkMAC: A Cross-Layer based MAC Protocol for Wireless Sensor Networks,” IEEE Wireless Sensor Networks Symposium (IWCMC 2010), Caen, France, June 2010.

2009

  1. S. Ma, A. Khokhar, and D. Schonfeld, “Robust Video Mining based on Local Similarity Alignment of Motion Trajectories,” IEEE International Conference on Image Processing (ICIP’09), Cairo, Egypt, November 2009.
  2. X. Chen, D. Schonfeld and A. Khokhar, “Localized Null Space Representation for Dynamic Updating and Downdating in Image and Video Databases,” IEEE International Conference on Image Processing (ICIP’09), Cairo, Egypt, November 2009.
  3. F. Almasalha and A. Khokhar, “Scalable Security of Streaming Multimedia Contents,” Workshop on Wireless and Internet Services in conjunction with IEEE Local Computer Networks (LCN), Zurich, October 2009.
  4. S. Sheikh, T. Berger-Wolf, A. Khokhar, I. Caballero, M. Ashley, W.  Chaovalitwongse and B. DasGupta “Combinatorial Reconstruction of Half-Sibling Groups” The 8th Annual International Conference on Computational Systems Biology (CSB), 2009.
  5. M. V. Ashley, T. Y. Berger-Wolf, W. Chaovalitwongse, and B. DasGupta, A. Khokhar, On Approximating An Implicit Cover Problem in Biology 5th International Conference on Algorithmic Aspects in Information and Management (AAIM 2009), June 2009, San Francisco.
  6. T. Canli and A. Khokhar, “PRMAC: Pipelined Routing Enhanced MAC Protocol for Wireless Sensor Networks,” IEEE International Conference on Communications (ICC), June 2009.
  7. F. Saeed and A. Khokhar, “Multiple Sequence Alignment System for Pyrosequencing Reads,” ISCA Bioinformatics and Computational Biology (BICoB) Conference, LNBI 5462, pp 362-375, April 2009.
  8. X. Ma, D. Schonfeld, and A. Khokhar, “Dynamic Updating and Downdating Matrix SVD and Tensor HOSVD for Adaptive Indexing and Retrieval of Motion Trajectories,” IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP09’), Taipei, Taiwan, 2009.
  9. X. Chen, D. Schonfeld and A. Khokhar, “View-Invariant Tensor Null Space Representation For Multiple Motion Trajectory Retrieval and Classification,“ IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP’09), Taipei, Taiwan, April 2009.

2008

  1. F. Almasalha, N. Agarwal, A. Khokhar, “Secure Multimedia Transmission over RTP”, International Symposium on Multimedia (ISM), pp 404-411, 2008.
  2. S. I. Sheikh, T. Y. Berger-Wolf, A. A. Khokhar and B. DasGupta “Consensus Methods for Reconstruction of Sibling Relationships from Genetic Data ” Proceedings of the 4th Multidisciplinary Workshop on Advances in Preference Handling at AAAI 08, 2008.
  3. X. Zhang, H. Wang, and A. Khokhar, “An Energy-efficient MAC-layer Transmission Algorithm Considering Fading Channels for Cluster-based Sensor Networks,” IEEE Globecom, 2008.
  4. X. Zhang, H. Wang, and A. Khokhar, “Distortion Analysis for Real-Time Reconstruction of Correlated Data Field in Heterogeneous Sensor Networks,” IEEE Globecom, 2008.
  5. X. Chen, D. Schonfeld, and A. Khokhar, “Robust Null Space Representation and Sampling for View-Invariant Motion Trajectory Analysis,” IEEE Conference on Computer Vision and Pattern Recognition (CVPR), June 2008.
  6. X. Chen, D. Schonfeld, and A. Khokhar, “Robust Multi-dimensional Null Space Representation for Image Retrieval and Classification,” IEEE Conference on Image Processing, San Diego, California, 2008.
  7. S. Ababneh, A. Khokhar, and R. Ansari, “A Multimedia-Content Authentication and Recovery Protocol in Peer-to-Peer Networks,” IEEE Int. Conf. On Electro Information Technology, May 2008.
  8. S. Ababneh, R. Ansari, and A. Khokhar, “Scalable Multimedia-Content Integrity Verification With Robust Hashing,” IEEE Int. Conf. On Electro/Information Technology, May 2008.
  9. T. Canli, F. Nait-Abdesselam,and A. Khokhar, “A Cross-Layer Optimization Approach for Efficient Data Gathering in Wireless Sensor Networks,” IEEE International Networking and Communications Conference (INCC), 2008.
  10. X. Chen, D. Schonfeld and A. Khokhar, “Robust Closed-form Localization of Mobile Targets using a Single Sensor based on a Non-linear Measurement Model,” The Ninth IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC08), 2008.
  11. X. Zhang, H. Wang, and A. Khokhar, “An Energy-efficient MAC-Layer Retransmission Algorithm for Cluster-based Sensor Networks,” IEEE International Networking and Communications Conference (INCC), 2008.
  12. S. Djahel, F. Na¨ıt-Abdesselam, and A. Khokhar, “An Acknowledgment-Based Scheme to Defend against Cooperative Black Hole Attacks in Optimized Link State Routing Protocol,” IEEE International Conference on Communications (ICC), 2008.
  13. X. Zhang, A. Khokhar, and R. Ansari, “Distortion Analysis for Real-Time Data Collection of Correlated Fields in Randomly Distributed Sensor Networks,” IEEE International Conference on Communications (ICC), 2008.
  14. S. Ababneh, R. Ansari, and A. Khokhar “Improved Image Authentication Using
    Closed-Form Compensation and Spread-Spectrum Watermarking,” IEEE International Conference on Acoustics, Speech, and Signal Processing
    (ICASSP)    , April 2008.
  15. X. Ma, D. Schonfeld, and A. Khokhar, “’Distributed Multi-Dimensional Hidden Markov Models for Image and Trajectory-Based Video Classification,” IEEE International Conference on Acoustics, Speech, and Signal Processing
    (ICASSP)    , April 2008.
  16. E. Ustunel, X. Chen, D. Schonfeld, and A. Khokhar, “Null-Space Representation for View-Invariant Motion Trajectory Classification –Recognition and Indexing-Retrieval,” IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), April 2008.
  17. F. Saeed and A. Khokhar, “Sample-Align-D: A High Performance Multiple Sequence Alignment System using Phylogenetic Sampling and Domain Decomposition,” Seventh IEEE International Workshop on High-Performance Computational Biology (HiCOMB), 2008.
  18. S. Ababneh, R. Ansari, A. Khokhar “A Set-Theoretic Approach for
    Compensated Signature Embedding Using Projections Onto Convex Sets,” SPIE Proceedings of Electronic Imaging: Science and Technology. Conference on Visual Communications and Image Processing, San Jose, California, 2008.
  19. X. Ma, D. Schonfeld, and A. Khokhar, “Image Segmentation and Classification based on a 2D Distributed Hidden Markov Model,” SPIE Proceedings of Electronic Imaging: Science and Technology. Conference on Visual Communications and Image Processing, San Jose, California, 2008.
  20. X. Ma, D. Schonfeld, and A. Khokhar, “Distributed Multidimensional Hidden Markov Model: Theory and Application in Multiple-object Trajectory Classification and Recognition,” SPIE Proceedings of Electronic Imaging: Science and Technology. Conference on Multimedia Content Access: Algorithms and Systems, San Jose, California, 2008.

2007

  1. W. Ahmad, A. Khokhar, cHawk: “A Highly Efficient Biclustering Algorithm Using Weighted Bigraph Crossing Minimization,” International Workshop on Data Mining in Bioinformatics, Vienna, Austria, 2007 (In Conjunction with VLDB2007 )
  2. W. Ahmad, A. Khokhar, Privacy Preserving Collaborative Filtering in Ubiquitous Computing Environments”, International Workshop on Databases, Information Systems and Peer-to-Peer Computing (DBISP2P 2007), Vienna, Austria (In Conjunction with VLDB2007 )
  3. W. Ahmad, A. Khokhar, Phoenix: Privacy Preserving Biclustering on Horizontally Partitioned Data amid Malicious Adversaries, ACM SIGKDD International Workshop of Privacy, Security and Trust in KDD, San Jose, 2007
  4. W. Ahmad, A. Khokhar, “Privacy Preserving Collaborative Filtering on Web Portals,” The Third International Symposium on Information Assurance and Security (IAS), Manchester, UK, August 2007.
  5. H. Wang, X Zhang, and A. Khokhar, Efficient “Void” Handling in Contention-based Geographic Routing for Wireless Sensor Networks,” IEEE GLobecom 2007.
  6. X. Zhang, and A. Khokhar, Distortion Analysis for Real-Time Data Gathering of Spatially-temporally Correlated Fields in Sensor Networks,” IEEE Globecom 2007.
  7. H. Wang, X. Zhang, A. Khokhar, and F. Nait-Abdesselam, “DPS-MAC: An Asynchronous MAC Protocol for Wireless Sensor Networks,” International Conference on High Performance Computing (HiPC), Goa, India, December 2007.
  8. L. Abusalah and A.  Khokhar, “TARP Performance in a Mobile World,” IEEE Globecom, pp. 700 – 704, Nov. 2007.
  9. X. Ma, D. Schonfeld, and A. Khokhar, “A General Two-dimensional Hidden Markov Model and its Application in Image Classification,” IEEE International Conference on Image Processing, San Antonio, Texas, 2007.
  10. S. Ababneh, A.  Khokhar, R.  Ansari, “Compensated Signature Embedding Based Multimedia Content Authentication System,” IEEE International Conference on Image Processing (ICIP), Volume 1,  Sept. 16 2007-Oct. 19 2007 Page(s):I – 393 – I – 396
  11. X. Chen, D. Schonfeld, and A. Khokhar, “Localization and Trajectory Estimation of Mobile Objects with a Single Sensor,” IEEE Statistical Signal Processing Workshop, Madison, Wisconsin, 2007.
  12. S. Ababneh, R. Ansari, and A. Khokhar, “Compressed-Image Authentication Using Compensated Signature Embedding,” IEEE Electro/Information Technology Conference, May 2007.
  13. W. Ahmad, A. Khokhar, “SAMcast: A Scalable, Secure and Authenticated Multicast Protocol for Large Scale P2P Networks”, IEEE International Conference on Communications (ICC), June 2007.
  14. X Zhang, H. Wang, and A. Khokhar, “An Energy-efficient Data Gathering Scheme for Event Driven Applications in Sensor Networks,” International Conference on High Performance Computing, Networking and Communication Systems (HPCNCS-07), June 2007.
  15. S. Ababneh, R. Ansari, and A. Khokhar, “Compensated Signature Embedding based Multimedia Content Authentication System,” IEEE International Conference on Image Processing (ICIP), September 2007.
  16. S. Ma, D. Schonfeld. and A. Khokhar, “A General Two-Dimensional Hidden Markov Model and Its Application in Image Classification,” IEEE International Conference on Image Processing (ICIP), September 2007.

2006

  1. Z. Kamal, A. Gupta, L. Lilien, and A. Khokhar, “An Efficient MAP Classifier for Sensornets,” International Conference on High Performance Computing (HiPC), Banglore-India, December 2006.
  2. Z. Kamal, A. Gupta, L. Lilien, and A. Khokhar, “Classification Using Efficient LU Decomposition in Sensornets,” Wireless Sensor Networks, July 2006.
  3. H. Wang, X. Zhang, and A. Khokhar, “An Energy-Efficient Low-Latency MAC Protocol for Wireless Sensor Networks”, San Francisco, IEEE Globecom, November 2006.
  4. S. Khanvilkar and A. Khokhar, “Efficient transmission of MP3 Streams over VPNs,” IEEE Globecom, San Francisco, November 2006.
  5. W. Ahmad and A. Khokhar, “Secure Aggregation in Large Scale Overlay Networks,” IEEE Globecom, San Francisco, November 2006.
  6. L. Abusalah, M. Guizani, and A. Khokhar, “Trust Aware Routing in Mobile Adhoc Networks,” IEEE Globecom, San Francisco, November 2006.
  7. Y. Liu,  A. Choudhary, J. Zhou, and A. Khokhar, “A Scalable Distributed Stream Mining System for Highway Traffic Data”, The 10th European Conference on Principles and Practice of Knowledge Discovery in Databases (ECML/PKDD), Berlin, Germany, September 18-20, 2006.
  8. H. Malik, F. Baqai, R. Ansari, and A. Khokhar, “Secure Data-Hiding in Multimedia using Non-Negative Matrix Factorization,” IAPR International Workshop on Multimedia Content Representation, Classification and Security (MRCS), September 2006, Istanbul, Turkey.
  9. X. Ma, F. Bashir, A. Khokhar, and D. Schonfeld, “Tensor-based Multiple Object Trajectory Indexing and Retrieval,” IEEE International Conference on Multimedia and Expo (ICME), Toronto, Ontario, Canada, 2006.
  10. G. Pioppo, R. Ansari, A. Khokhar, and G. Masera, “Low-Complexity Video Compression Combining Adaptive Multifoveation and Reuse of High-Resolution Information,” IEEE International Conference on Image Processing (ICIP), Atlanta, GA, 2006.
  11. X. Zhang, H. Wang, and A. Khokhar “An Energy-efficient Data Collection Protocol for Mobile Sensor Networks,” IEEE Vehicular Technology Conference (VTC), Montréal, Canada 2006.
  12. L. Abusalah, A. Khokhar, G. BenBrahim, W. ElHajj , “TARP: Trust-Aware Routing Protocol,” IEEE International Conference on Wireless Communication and Mobile Computing (IWCMC), July 2006.
  13. Z. Chen, A. Khokhar and S. Baqai, “A Throughput-Efficient Two Level Access Control Scheme for Multimedia CDMA Networks,” IEEE International Conference on Wireless Communication and Mobile Computing (IWCMC), July 2006
  14. J. Zhou and A. Khokhar, “ParRescue: Scalable Parallel Algorithm and Implementation for Biclustering over Large Distributed Datasets,” International Conference on Distributed Computing Systems (ICDCS), Lisbon, Portugal, July 2006.
  15. H. Malik, A. Khokhar, and R. Ansari, “An Efficient Watermark Detector for Spread Spectrum-based Image Watermarking using Underdetermined Independent Component Analysis,“ IS&T/SPIE Conf. Security, Steganography, and Watermarking of Multimedia Contents VIII, San Jose, California, USA, January, 15-19 2006.
  16. T. Canli, M. Terwilliger, A. Gupta and A. Khokhar, “Power Efficient Algorithms for Computing Fast Fourier Transform over Wireless Sensor Networks,” The Fourth ACS/IEEE Conference on Computer Systems and Applications, Dubai, UAE, March 2006.

2005

  1. R. Hasimoto-Beltran, A. Khokhar, “Error Concealment for Partially Damaged Blocks,” 47th International Symposium – ELMAR, Zadar, Croatia, 2005.
  2. F. Bashir, A. Khokhar, and D. Schonfeld, “Automatic Object Trajectory-based Motion Recognition using Gaussian Mixture Models,” Proceedings of the IEEE International Conference on Multimedia and Expo (ICME), Amsterdam, The Netherlands, 2005.
  3. M. Terwilliger, A. Gupta, A. Khokhar, and G. Greenwood, “Localization Using Evolution Strategies in Sensornets,” 2005 IEEE Congress on Evolutionary Computation, Edinburgh, UK, September 2005
  4. F. Bashir, W. Qu, A. Khokhar, and D. Schonfeld, “HMM-based Motion Recognition System using Segmented PCA,” Proceedings of the IEEE International Conference on Image Processing (ICIP), Genova, Italy, 2005.
  5. H. Malik, A. Khokhar, and R. Ansari, “An Improved Detector/Decoder for Spread Spectrum based Watermarking using Independent Component Analysis,” Fifth Workshop Digital Rights Management (DRM), 2005, Washington D.C., USA, November 7, 2005.
  6. H. Malik, A. Khokhar, and R. Ansari, “An Improved Detector for Spread Spectrum based Watermarking using Independent Component Analysis: Performance Analysis,” Int. Conf. Digital Rights Management: Technologies, Issues, Challenges and Systems, Sydney, Australia, November 3-5, 2005.
  7. C. Chang, R. Ansari and A. Khokhar, “Multiple Object Tracking with Kernel Particle Filter,” Proceedings of IEEE Conf. on Computer Vision & Pattern Recognition (CVPR), San Diego, CA, 2005.
  8. W. Qu, F. Bashir, D. Graupe, A. Khokhar, and D. Schonfeld, “A Motion Trajectory Based Video Retrieval System Using Parallel Adaptive Self Organizing Maps,” Proceedings of International Joint Conference on Neural Networks, July 2005.
  9. R. Hasimoto, A. Khokhar, “Spatial Error Concealment Based on Bezier Curves,” Proceedings of International Conference on Multimedia and Expo (ICME), July 2005.
  10. F. Bashir, A. Khokhar, and D. Schonfeld, “Automatic Object Trajectory-based Motion Recognition Using Gaussian Mixture Models,” Proceedings of International Conference on Multimedia and Expo (ICME), July 2005.
  11. F. Bashir, A. Khokhar, and D. Schonfeld, “HMM-based Motion Recognition System Using Segmented PCA,” Proceedings of International Conference on Image Processing, September 2005.
  12. S. Khanvilker and A. Khokhar, “Scalable and Flexible Architecture for VPN Tunnels,” Proceedings of IEEE Conference on Networking (ICN), April 2005.
  13. S. Sankaran, R. Ansari, and A. Khokhar, “Adaptive Multifoveation for Low-complexity Video Compression with a Stationary Camera Perspective,” Proceedings of IS&T/SPIE Symposium on Electronic Imaging, January 2005.

2004

  1. F. Bashir and A. Khokhar, “Curvature Scale Space Based Affine-Invariant Trajectory Retrieval,” Proceedings of 8th IEEE International Multitopic Conference (INMIC), December 2004.
  2. T. Canli, M. Terwilliger, A. Gupta, A. Khokhar, “Power-Time Efficient Algorithm for Computing FFT in Sensor Networks,” Proceedings of the ACM Conference on Embedded Networked Sensor Systems (SenSys), in print, November 2004. (Poster Paper)
  3. F. Bashir, A. Khokhar, and D. Schonfeld, “A Hybrid System for Affine-Invariant Trajectory Retrieval,” Proceedings of 6th ACM SIGMM International Workshop on Multimedia Information, pp. 235-242, October 2004.
  4. A. Khanvilker and A. Khokhar, “Experimental Evaluations of Open- Source Linux-based VPN Solutions,” Proceedings of International Conference on Computer Communications and Networks(ICCCN), pp. 181-186, October, 2004.
  5. Z. Chen and A. Khokhar, “Self Organization and Energy Efficient TDMA MAC Protocol by Wake Up For Wireless Sensor Networks,” Proceedings of IEEE International Conference on Sensors and Adhoc Communication and Networks (SECON 2004), in print, October, 2004.
  6. H. Malik, A. Khokhar, and R. Ansari, “Data-Hiding In Audio Using Frequency-Selective Phase Alteration,” Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Vol. 5, pp. 389-392, August, 2004.
  7. H. Malik, A. Khokhar, and R. Ansari, “Robust Audio Watermarking Using Frequency Selective Spread Spectrum Theory,” Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Vol. 5, pp. 385-388, August, 2004.
  8. C. Chang, R. Ansari, and A. Khokhar, “Density Propagation For Tracking Initialization With Multiple Cues,” Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Vol. 3, pp. 629-632, August, 2004.
  9. A. M. Bagci, R. Ansari, A. Khokhar, and E. Cetin, “Eye Tracking Using Markov Models,” Proceedings of International Conference on Pattern Recognition (ICPR 04), pp. 818-821, August, 2004.
  10. R. Hasimoto and A. Khokhar, “Robust MPEG-2 SNR Scalable Coding using Variable End-of-block,” Proceedings of the Fifth Mexican International Conference in Computer Science, pp. 151–158, 2004.
  11. Z. Chen and A. Khokhar, “A Two level Control Scheme for Data Traffic in CDMA System,” Proceedings of IEEE International Conference on Communications (ICC), pp. 2980-2984, June, 2004.
  12. H. Malik, A. Khokhar, and R. Ansari “Robust Data Hiding in Audio,” Proceedings of IEEE International Conference on Multimedia and Expo (ICME), PD 3, June, 2004.
  13. C. Chang, R. Ansari, and A. Khokhar, ”Cyclic Articulated Human Motion Tracking by Sequential Ancestral Simulation,” Proceedings of IEEE Computer Vision and Pattern Recognition (CVPR 04), pp. 45-52, June, 2004.

2003

  1. Z. Chen and A. Khokhar, “An Improved MAC Protocol for Wireless Local Access Network,” Proceedings of IEEE Conference of Local Computer Networks (LCN), pp.196-202, October, 2003.
  2. C. Chang, A. Khokhar, and R. Ansari, “Approximate Kernel Particle Filter,” Proceedings of IEEE International Conference on Image Processing (ICIP), Vol. 2, pp. III 977-980, September, 2003.
  3. C. Chang, A. Khokhar, and R. Ansari, “Robust Tracking of Cyclic Nonrigid Motion,” Proceedings of IEEE International Conference on Image Processing (ICIP), Vol. 2, pp. III-337-340, September, 2003.
  4. F. Bashir, D. Schonfeld, and A. Khokhar, “Segmented Trajectory based Indexing and Retrieval for Video Data,” Proceedings of IEEE International Conference on Image Processing (ICIP), Vol. 3, pp. II-623-626, September, 2003.
  5. A. Javed, and A. Khokhar, “Scalable Parallel Algorithm for Mining Frequent Patterns on Message Passing Parallel Systems,” Proceedings of ISCA Parallel and Distributed Computing Systems (PDCS) Conference, pp. 157-162, August, 2003.
  6. Z. Chen, and A. Khokhar, “Improved MAC Protocols for DCF and PCF Modes over Fading Channels in Wireless LANs,” Proceedings of IEEE Wireless Communication and Networking Conference (WCNC), Vol. 2, pp. 1297 -1302, March, 2003.
  7. Z. Chen, and A. Khokhar, “An Access Control Scheme for Bursty Traffic in CDMA System,” Proceedings of IEEE Wireless Communication and Networking Conference (WCNC), Vol. 3, pp. 1691 -1695, March, 2003.

2002

  1. J. Wang, A. Khokhar, and V. Garg, “Video Communication with QoS Guarantees over HIPERLAN/2,” Proceedings of IEEE International Conference on Multimedia Software Engineering (MSE), pp. 312 -319, December, 2002.
  2. S. Baqai, F. Baqai, U. Hameed, S. Sheikh, and A. Khokhar, “Error Resilience of EZW Coder for Image Transmission in Lossy Networks,” Proceedings of IEEE International Conference on Multimedia Software Engineering (MSE), December, pp. 328 -333, December, 2002.
  3. P. Thulasiraman, and A. Khokhar, “An Asynchronous Multithreaded Algorithm for a Class of Linear Programming Problem,” Proceedings of Parallel and Distributed Computing Systems (PDCS) Conference, pp. 392-397, September, 2002.
  4. H. Malik, A. Khokhar, R. Ansari, and B. Ballion, “Predominant Pitch Contour Extraction from Audio Signals,” Proceedings of IEEE International Conference on Multimedia and Expo (ICME), Vol. 2, pp. 257-260, August, 2002.

2001

  1. A. Scramlin, M. Reil, A. Jones, and A. Khokhar, “Optimizing Data Formats for Terra-byte Data Mining,” Proceedings of AORS Symposium, September, 2001.

2000

  1. L. Guohui, and A. Khokhar, “Content-based Indexing and Retrieval of Audio Data using Wavelet,” Proceedings of International Conference on Multimedia and Expo (ICME), Vol. 2, pp. 885-888, August, 2000.
  2. R. Hasimoto, S. Sheikh, and A. Khokhar, “A Compression-Efficient Forward Error Control Mechanism for Image Transmission over ATM Networks,” Proceedings of International Conference on Multimedia and Expo (ICME), Vol. 1, pp. 509-512, August, 2000.
  3. P. Thulasiraman, A. Khokhar, G. Heber, and G. Gao, “Multithreaded Algorithms and Implementation for Discrete Fourier Transform,” Proceedings of Symposium on Parallel Algorithms and Architectures (SPAA), pp. 176-185, July, 2000.
  4. E. Albuz, E. Kocalar, and A. Khokhar, “Quantized CIELab Space and Encoded Spatial Structure for Scalable Indexing of Large Color Image Archives,” Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Vol.4, pp. 1995-1998, June, 2000.
  5. R. Hasimoto, and A. Khokhar, “Dynamic Adaptive Forward Error Control Framework for Image Transmission over Lossy Networks,” Proceedings of the IEEE International Conference on Information Technology: Coding and Computing, pp. 402-407, March, 2000.

1999

  1. E. Albuz, E. Kocalar, A. Khokhar, “Vector Wavelet based Image Indexing and Retrieval for Large Color Image Archives,” Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Vol.6, 3021-3024, March, 1999.
  2. E. Kocalar, A. Khokhar, and S. Hambrusch, “Termination Detection: Models and Algorithms for SPMD Computing Paradigms,” Proceedings of the Parallel and Distributed Conference, August, 1999.
  3. S. Dagtas, W. Al-Khatib, A. Ghafoor, and A. Khokhar, “Trail-based Approach for Video Data Indexing and Retrieval,” IEEE International Conference on Multimedia Computing and Systems, Vol.2, 235 -239, June, 1999.
  4. A. Khokhar, G. Heber, P. Thulasiraman, and G. Gao, “Load Adaptive Algorithms and Implementations for the 2D Discrete Wavelet Transform on Fine-Grain Multithreaded Architectures,” Proceedings of the International Parallel Processing Symposium (IPPS-SPDP), pp. 458-462, April, 1999.

1998

  1. R. Hasimoto, and A. Khokhar, “Pixel level Interleaving Schemes for Robust Image Communication,” (invited paper), Proceedings of the Workshop on Multimedia Networking, held in conjunction with IEEE Symposium on Reliable and Distributed Computing, pp. 455-460, October, 1998.
  2. S. Ali, and A. Khokhar, “Distributed Center Location Algorithm for Internet Multicast,” (invited paper) Proceedings of the Workshop on Advances in Parallel and Distributed Algorithms, held in conjunction with IEEE Symposium on Reliable and Distributed Computing, pp. 324 -329, October, 1998.

1997

  1. S. Hambrusch, and A. Khokhar, “Distributed Spatial Data Structures on Coarse-grained Parallel Machines,” Proceedings of the International Parallel Processing Symposium, April, 1997.

1996

  1. J. Patel, L. Jamieson, and A. Khokhar, “Parallel Algorithms and Implementations of Wavelet Transforms on Coarse Grained Machines,” VLSI Signal Processing Workshop, Vol. VLSI Signal Processing IX, pp. 376-385, October, 1996.
  2. J. Patel, A. Khokhar, and L. Jamieson, “On the Scalability of 2-D Wavelet Transform Algorithms on Fine Grained Parallel Machines,” Proceedings of International Conference on Parallel Processing, Vol.2, pp. 24-28, August, 1996.
  3. S. Hambrusch, A. Khokhar, and Y. Liu, “S-to-P Braodcasting on Coarse-grained Parallel Machines,” Proc. of International Conference on Parallel Processing, August, pp. 69-76, May 1996 (Outstanding Paper Award).

1995

  1. L. Jamieson, A. Khokhar, and J. Patel, “Algorithm Scalability: A Poly-Algorithmic Approach,” Proceedings of the 1995 International Conference on Parallel Processing: Workshop on Challenges for Parallel Processing, pp. 90-95, August, 1995.
  2. F. Dehne, X. Deng, P. Dymond, A. Fabri, and A. Khokhar, “Parallel Randomized Algorithms for 3-D Convex Hull on Coarse-grained Machines,” Proceedings of ACM Syposium on Parallel Algorithm and Architectures, July 1995.
  3. S. Dagtas, Y. Day, A. Khokhar, and A. Ghafoor, “Spatio-Temporal Modeling of Video Data for On-line Query Processing,” Proceedings of IEEE International Conference on Multimedia Computer Systems, May,1995.
  4. J. Patel A. Khokhar, and L. Jamieson, “Scalable Parallel Implementations of List Ranking Algorithms on Fine-grained Machines,” Proceedings of IEEE International Parallel Processing Symposium, pp. 717-721, April, 1995.
  5. Y. Day, S. Dagtas, A. Khokhar, and A. Ghafoor, “An Object Oriented Conceptual Modeling for Video Data,” Proceedings of IEEE International Conference on Data Engineering, pp. 401-408, March, 1995.

1994

  1. R. Paul, M. Khan, A. Khokhar, and A Ghafoor, “Issues in Database Management of Multimedia Information,” Proceedings of IEEE Computer Software and Applications Conference (COMSAC), pp. 209-214, November, 1994.
  2. L. Jamieson, E. Delp, S. Hambrusch, A. Khokhar, G. Cook, F, Hameed, J. Patel, Ke Shem, “Parallel Scalable Libraries and Algorithms for Computer Vision,” Proceedings of International Conference on Pattern Recognition (ICPR), pp. 223-228, October,1994.
  3. S. Hambrusch, and A. Khokhar, “C3: An Architecture Independent Model for Coarse-grained Parallel Machines,” Proceedings of IEEE Symposium on Parallel and Distributed Processing, pp. 544-551, October, 1994.
  4. L. Jamieson, A. Khokhar and J. Patel, “Implementation of Parallel Image Processing Algorithms in the Cloner Environment,” Proceedings of IEEE Workshop on VLSI Signal Processing, pp. 83-92, October, 1994.
  5. A. Khokhar, G. Cook, E. Delp, and L. Jamieson, “Object Recognition using Structural Indexing on Intel Touchstone Delta,” Proceedings of International Conference on Pattern Recognition (ICPR), pp. 279-284, October,1994.
  6. L. Jamieson, J. Patel, C. Wang, A. Khokhar, and E. Delp “Software Tools for the Development of Image Processing Applications on High Performance Computers,” Proceedings of the DSPx Exposition and Symposium, pp. 542-551, June, 1994.
  7. J. Yang, A. Khokhar, S. Sheikh, and A. Ghafoor, “Estimating Execution Time for Parallel Tasks in Heterogeneous Processing (HP) Environment,” Proceedings of IEEE Heterogeneous Processing Workshop, pp. 23-28, April, 1994.
  8. A. Khokhar, and A. Ghafoor, “A Heterogeneous Processing Framework for Multimedia Query Processing,” Proceedings of IEEE Heterogeneous Processing Workshop, pp. 51-57, April, 1994.

1993

  1. A. Khokhar, and V. Prasanna, “Scalable Data Parallel Geometric Hashing: Experiments on MasPar MP-1 and on Connection Machine CM-5,” Proceedings of Image Understanding Workshop, December1993.
  2. V. Prasanna, C. Wang, and A. Khokhar, “Low Level Vision Processing on Connection Machine CM-5,” Proceedings of Computer Architecture for Machine Perception (CAMP), pp. 117-126, December, 1993.
  3. C. Lin, V. Prasanna, and A. Khokhar, “Parallel Extraction of Linear Features on MasPar Machines,” Proceedings of Computer Architecture for Machine Perception (CAMP), pp. 352-361 December, 1993.
  4. L. Jamieson, E. Delp, J. Patel, C. Wang, and A. Khokhar “A Library-based Program Development Environment for Parallel Image Processing,” Proceedings of Scalable Parallel Libraries Conference, pp. 187-194, October, 1993.
  5. A. Khokhar, V. Prasanna, and H. Kim “Scalable Geometric Hashing on MasPar Machines,” Proceedings of International Conference on Computer Vision and Pattern Recognition (CVPR), pp. 594-595, June, 1993.
  6. A. Khokhar, H-J. Kim, V. Prasanna, and C_L. Wang, “Image Understanding on MasPar MP-1 and Connection Machine CM-5: Experiments and Performance Comparisons,” Proceedings of Parallel Systems Fair at IEEE International Parallel Processing Symposium, pp. 83-91, April 1993.
  7. A. Khokhar, S. Chen, M. Eshaghian and M. Shaaban, “Mapping Issues in Heterogeneous Supercomputing,” Proceedings of IEEE Workshop on Heterogeneous Processing, pp. 15-22, April 1993.
  8. A. Khokhar, V. Prasanna, and C. Wang, “Scalable Data Parallel Implementations of Object Recognition on Connection Machine CM-5,” Proceedings of ACM Hawaii International Conference on System Sciences (HICSS-27), pp. 130-139, January, 1993.

1992

  1. P. Chakrapani, A. Khokhar, V. Prasanna, “Parallel Stereo Using Zero Crossings,” Proceedings of International Conference on Pattern Recognition (ICPR), August 1992.
  2. A. Khokhar, V. Prasanna, M. Shaaban, C-L Wang, “Heterogeneous Supercomputing: Problems and Issues,” Proceedings of IEEE Workshop on Heterogeneous Processing, 3-12, March, 1992.
  3. A. Khokhar, and M. Dubois, “Matching Algorithms and Architecture in Hierarchical Shared-Memory Systems,” Proceedings of IEEE International Parallel Processing Symposium, pp. 558-561, 1992.
  4. A. Khokhar, and V. Prasanna, “Parallel Stereo Matching on Fixed Size Arrays,” Proceedings of Image Understanding Workshop, pp. 1057-1062, 1992.

1991

  1. A. Khokhar, W-M Lin and V. Prasanna, “Stereo and Image Matching on Fixed Size Mesh Arrays,” Proceedings of Computer Architectures for Machine Perception (CAMP), pp. 331-342, 1991.

1985

  1. A. Khokhar, A. Mian, N. Sheikh, A. Rauf, and R. Aziz, “A Microcomputer Based Missile Auto-pilot,” Proceeding of IEE International Symposium on Computers, 16-28, 1985. (Best Student Paper Award).

   

 Edited Volumes

  1. Proceedings of 2nd International Workshop on Frontiers of Information Technology, National Science Foundation, December 2004.
  2. Proceedings of 33rd International Conference on Parallel Processing, International Association for Computers and Communications (IACC), August 2004.
  3. Proceedings of 17th International Conference on Parallel and Distributed Computing (PDCS), International Society of Computers and Applications (ISCA), September 2004, ACM Multimedia Systems Journal, Special Issue on Distributed Multimedia Documents, May 2004.
  4. Proceedings of the Ist International Workshop on Frontiers of Information Technology, National Science Foundation, December 2003.

 

     Book Chapters

  1. R. Hasimoto, F. Almasalha, and A. Khokhar, “Performance Evaluation of Chaotic and Conventional Encryption on Portable and Mobile Platforms,” in Chaos-based Cryptography, Edited by Shiguo Lian and Ljupco Kocarev, Springer Verlag, 2011.
  2. X. Ma, X. Chen, A. Khokhar, and D. Schonfeld, “Motion trajectory-based video retrieval, classification, and summarization,” Video Search and Mining. Studies in Computational Intelligence Series, Springer-Verlag, pp. 53-82, 2010.
  3. F. Almaslha, F. Bashir, A. Ghafoor, and A. Khokhar, “Semantic Analysis for Multimedia Security Application,” edited by Philip Sheu, Springer, in press 2008.
  4. T. Canli and A. Khokhar, “Data Acquisition and Data Dissemination in Wireless Sensor Networks,” Encyclopedia of Database Systems, Springer, in press, 2008.
  5. Z. Chen and A. Khokhar, “Medium Access Control: Techniques and Protocols,” Handbook of Wireless Local Area Networks: Applications, Technology, Security, and Standards, edited by M. Ilyas, CRC Press, 2004.
  6. S Khanvilkar, F. Bashir, A. Khokhar, and D. Schonfeld “Multimedia Networks and Communication,” Chapter in Electrical Engineering Handbook, edited by W. K. Chen, Academic Press, pp. 401-425, 2004.
  7. S. Khanvilkar, F. Bashir, A. Khokhar, and D. Schonfeld, “Multimedia Systems: Content Based Indexing and Retrieval,” Chapter in Electrical Engineering Handbook, edited by W. K. Chen, Academic Press, pp. 379-400, 2004.
  8. A. Khokhar and A. Ghafoor, “Application of Heterogeneous Computing in Multimedia Database Management Systems,” in Heterogeneous Computing, edited by Mary Eshaghian, Artech House, Inc. 1995, pp. 335–354.
  9. L. Jamieson, S. Hambrusch, E. Delp, and A. Khokhar,  “The Role of Models, Software Tools, and Applications in High Performance Computing,” in Developing Computer Science Agenda for High Performance Computing, edited by Uzi Vishkin, ACM press, 1994, pp. 90–97.
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