V. Chandrasekhar - Publications

All my publications are archived online. Papers can also be downloaded from below.

IEEE conference and journals are available on IEEE Explore.
IJCV, ECCV papers are available on Springer.
Signal Processing (SP) papers are available on Science Direct.
MPEG documents are available on the MPEG website, and require national body membership for access.

Last Updated: Jan 1 2017

Dissertation

  1. Low-bitrate Image Retrieval With Compressed Histogram of Gradients Descriptors (Thesis)

Some Notable Papers

  1. V. Chandrasekhar, Gabriel Takacs, D. Chen, S. Tsai, R. Grzeszczuk, B. Girod, "CHoG: Compressed Histogram of Gradients - A low bit rate descriptor", Proceedings of IEEE Conference on Computer Vision and Pattern Recognition, Miami, June 2009. Oral Presentation (4% acceptance) (Paper)

  2. Gabriel Takacs, V. Chandrasekhar, B.Girod et. al, "Outdoors Augmented Reality on Mobile Phone using Loxel based Visual Feature Organization", Proceedings of ACM Multimedia Information Retrieval (MIR), Vancouver, Canada, October 2008. ( One of the most highly cited papers of ACM-MIR (pre-ICMR) ) (Paper)

  3. M. Makar, S. S. Tsai, V. Chandrasekhar, D. M. Chen, B. Girod, "Inter-frame Coding of Canonical Patches for Mobile Augmented Reality", Proceedings of IEEE International Symposium on Multimedia (ISM), Irvine, CA, December 2012. (Top 5 Papers) (Paper)

  4. M. Makar, H. Lakshman, V. Chandrasekhar, "Gradient Preserving Quantization", Proceedings of International Conference on Image Processing (ICIP), Orlando, Florida, September 2012. (Best Paper Award Finalist) (Paper)

  5. M. Makar, V. Chandrasekhar, S. S. Tsai, D. M. Chen, B. Girod, "Interframe Coding of Feature Descriptors for Mobile Augmented Reality", IEEE Transactions on Image Processing, Vol. 23, No. 8, August 2014. (Nominated as top journal paper by IEEE COMSOC 2014 (Nomination)), (Paper)

  6. O. Morere, L. Jie, A. Veillard, L.Duan, V. Chandrasekhar, T. Poggio, "Nested Invariance Pooling and RBM Hashing for Image Instance Retrieval", Accepted to ACM International Conference on Multimedia Retrieval (ICMR), Bucharest, Romania, 2017. (Best Paper Award Finalist, decision known in June 2017) (Paper)

Journal


    2017

  1. Y. Wu, L. Duan. Z. Wang, L. Yang, Y. Huang, J. Lie, V. Chandrasekhar, J. Yuan, W. Gao, "A Compact Binary Descriptor via Dual Selection for Visual Search". Submitted to Transactions on Image Processing (TIP), 2017.

  2. G. Manek, L. Jie, V. Chandrasekhar(joint), L. Duan, T. Poggio, "Pruning Convolutional Neural Networks for Image Instance Retrieval". In review for Signal Processing Letters, 2017.

  3. L. Duan, V. Chandrasekhar, S. Wang, Y. Lou, J. Lin, Y. Ban, T. Huang, A. C. Kot, W. Gao, "Compact Descriptor for Video Analysis: the Emerging MPEG Standard", In review for IEEE Multimedia Magazine, 2017. (Paper)

  4. J. Lin, S. Wang, Y. Bai, Y. Lou, V. Chandrasekhar, L. Duan, T. Huang, A. C. Kot, W. Gao, "HNIP: Compact Deep Invariant Representations for Video Matching, Localization and Retrieval", Transactions on Multimedia, 2017 (Paper)

  5. S. Prakhya, J. Lin, V. Chandrasekhar, W. Lin, B. Liu, "3DHoPD: A Fast Low Dimensional 3D Descriptor", Robotics Automation Letters, 2017 (Paper)

  6. S. Prakhya, W. Lin, V. Chandrasekhar, B. Liu, J. Lin, "Low Bitrate 3D Feature Descriptors for Depth Data from Kinect-style Sensors", in Signal Processing. (Paper)


  7. 2016

  8. V. Chandrasekhar, L. Jie, O. Morere, H. Goh, A. Veillard "A Practical Guide to CNNs and Fisher Vectors for Image Instance Retrieval", Proceedings of Signal Processing, 2016. (Paper)

  9. L. Liyuan, Q. Xu, V. Chandrasekhar,, L. Jie, J.H.Lim, C. Tan, M. Mukawa, “A Wearable Virtual User for Vision-based Cognitive Indoor Navigation”, Proceedings of IEEE Transactions on Cybernetics. (Paper)


  10. 2015

  11. V. Chandrasekhar,, L. Duan, J. Chen, L. Jie, Z. Wang, T. Huang, B. Girod, W. Gao, “Overview of the MPEG CDVS Standard”, Accepted to the Transactions on Image Processing (TIP) 2015. (Paper)


  12. 2014

  13. M. Makar, V. Chandrasekhar, S. S. Tsai, D. M. Chen, B. Girod, "Interframe Coding of Feature Descriptors for Mobile Augmented Reality", IEEE Transactions on Image Processing, Vol. 23, No. 8, August 2014. (Paper)

    2013

  14. M. Makar, S. Tsai, V. Chandrasekhar, D. M. Chen, B. Girod, "Interframe Coding of Canonical Patches for Low Bitrate Mobile Augmented Reality", International Journal of Semantic Computing, Vol. 7, No. 1, March 2013. (Paper)

  15. G. Takacs, V. Chandrasekhar, S. S. Tsai, D. M. Chen, R. Grzeszczuk, B. Girod, "Fast computation of rotation-invariant image features by an approximate radial gradient transform", IEEE Transactions on Image Processing, Vol. 22, No. 8, August 2013. (Paper)

  16. G. Takacs, V. Chandrasekhar, S. S. Tsai, D. M. Chen, R. Grzeszczuk, B. Girod, "Rotation Invariant Fast Features for Large Scale Recognition and Real-time Tracking", Signal Processing: Image Communication, Vol. 28, No. 4, April 2013. (Paper)

  17. D. Chen, S. S. Tsai, V. Chandrasekhar, R. Vedantham, R. Grzeszczuk, B. Girod, "Residual enhanced visual vector as a compact signature for mobile visual search", Signal Processing, Vol. 93, No. 8, August 2013 (Paper)


  18. 2011

  19. B. Girod, V. Chandrasekhar, D. M. Chen, N. M. Cheung, R. Grzeszczuk, Y. Reznik, G. Takacs, S. S. Tsai and R. Vedantham, "Mobile Visual Search", Proceedings of Special Issue: Mobile Media Search, IEEE Signal Processing Magazine, 2011. (Paper)

  20. V. Chandrasekhar, G. Takacs, D. M. Chen, S. S. Tsai, R. Grzeszczuk, Y. Reznik, and B. Girod, "Compressed Histogram of Gradients: A low bitrate descriptor", Proceedings of Special Issue on Mobile Vision, International Journal on Computer Vision, 2011. (Paper)

  21. B. Girod, V. Chandrasekhar, R. Grzeszczuk, and Y. Reznik, "Mobile Visual Search: architectures, technologies, and emerging MPEG standard," IEEE Multimedia, vol. 18, no. 3, pp. 86-94, 2011. (Paper)

Conference


    2017

  1. Z. Wang, K. Kuan, M. Ravaut, G. Manek, S. Song, F. Yuan, K. Seokhwan, N. Chen, L. F. D. Enriquez, L. A. Tuan, H. Zhu, Z. Zeng, N. M. Cheung, G. Piliouras, J. Lin, V. Chandrasekhar, " Truly Multi-modal YouTube-8M Video Classification with Video, Audio, and Text", In submission. (Paper)

  2. K. Kuan, M. Ravaut, G. Manek, H. Chen, J. Lin, B. Nazir, C. Chen, T. C. Howe, Z. Zeng, V. Chandrasekhar, "Deep Learning for Lung Cancer Detection: Tackling the Kaggle Data Science Bowl 2017 Challenge", In submission. (Paper)

  3. A. G. Molino, B. Mandal, L. Jie, J. H. Lim, V. Subbaraju, V. Chandrasekhar, "VC-I2R@ImageCLEF2017: Ensemble of Deep Learned Features for Lifelog Video Summarization", In submission.

  4. Y. Bai, L. Jie, V. Chandrasekhar, Y. Lou, S. Wang, L. Duan, T. Huang, A. Kot, "Deep Regional Feature Pooling for Video Matching", Proceedings of the IEEE Conference on Image Processing 2017, Beijing, China. (Paper)

  5. Y. Huang, L. Duan, Z. Wang, L. Jie, V. Chandrasekhar, T. Huang, "A Multi-Block N-ary Trie Structure for Exact R-neighbor Search in Hamming Space", Proceedings of the IEEE Conference on Image Processing 2017, Beijing, China. (Paper)

  6. K. Kuan, G. Manek, L. Jie, F. Yuan, V. Chandrasekhar, "Region Average Pooling for Context-aware Object Detection". Proceedings of the IEEE Conference on Image Processing 2017, Beijing, China. (Paper)

  7. F. Yuan, K. Kuan, L. Jie, C. Tan, V. Chandrasekhar, "Object Detection Meets Knowledge Graphs", Proceedings of International Joint Conference on Artifical Intelligence (IJCAI), Australia. (Paper)

  8. O. Morere, L. Jie, A. Veillard, L.Duan, V. Chandrasekhar, T. Poggio, "Nested Invariance Pooling and RBM Hashing for Image Instance Retrieval", Proceedings of ACM International Conference on Multimedia Retrieval (ICMR), Bucharest, Romania, 2017. Oral Presentation. (Paper)

  9. J. Lin, O. Morere, A. Veillard, L. Duan, H. Goh, V. Chandrasekhar, “Deep Hash: Getting Depth, Reguarlization and Fine Tuning Right”, Proceedings of ACM International Conference on Multimedia Retrieval (ICMR), Bucharest, Romania, 2017. Oral Presentation. (Paper)

  10. V. Chandrasekhar, J. Lin, Q. Liao, O. Morere, A. Veillard, L. Duan, T. Poggio, "Compression of Deep Neural Networks for Image Instance Retrieval", Proceedings of Data Compression Conference, Snowbird, Utah, 2017. (Paper)

  11. Y. Lou, Y. Bai, J. Lin, S. Wang, J. Chen, V. Chandrasekhar, L. Duan, T. Huang, A. C. Kot, W. Gao, "Compact Deep Invariant Descriptors for Video Retrieval", Proceedings of Data Compression Conference, Snowbird, Utah, 2017. (Paper)

  12. O. Morere, A. Veillard, J. Lin, J. Petta, V. Chandrasekhar, T. Poggio, "Group Invariant Deep Representations for Image Instance Retrieval", Proceedings of AAAI Symposium on Science of Intelligence, Stanford, CA, 2017. (Paper)


  13. 2016

  14. S. Song, V. Chandrasekhar, B. Mandal, L. Li, J. H. Lim, G. S. Babu, P. P. San, N. M. Cheung, "Multimodal Multi-Stream Deep Learning for Egocentric Activity Recognition", Proceedings of CVPR Workshop on Egocentric Vision 2016. (Paper)

  15. L. Jie, O. Morere, V. Chandrasekhar, A. Veillard, H. Goh, "Co-Sparsity Regularized Deep Hashing for Image Instance Retrieval", Proceedings of ICIP 2016. (Paper)

  16. O. Morere, A. Veillard, L. Jie, J. Petta, V. Chandrasekhar, T. Poggio, "Group Invariant Deep Representations for Image Instance Retrieval", Center for Brains, Minds and Machines, MIT (CBMM) Report 2016. (Paper)

  17. S. Song, N. Cheung, V. Chandrasekhar, B. Mandal, L. Jie, L. Li, JH Lim, “Egocentric Activity Recognition with Multimodal Fisher Vector”, Proceedings of ICASSP 2016. (Paper)

  18. J. Lin, J. Petta, O. Morere, V. Chandrasekhar,, A. Veillard, “Tiny Descriptors for Image Retrieval with Unsupervised Triplet Hashing”, Proceedings of DCC 2016. (Paper)


  19. 2015

  20. G. Tian, Y. Wong, B. Mandal, V. Chandrasekhar,, M. Kankanhalli, “Multi-Sensor Self Quantification of Presentations”, Proceedings of ACM Multimedia 2015 (Paper)

  21. D. Karatzas, L. Bigorda, A. Nicolaou, S. Ghosh, A. Bagdanov, M. Iwamura, J. Matas, L. Neumann, V. Chandrasekhar,, S. Lu, F. Shafait, S. Uchida, E. Valveny, “ICDAR 2015 Robust Reading Competition”, Proceedings of ICDAR 2015 (Paper)

  22. B. Mandal, L. Li, V. Chandrasekhar, and J.H. Lim, “Whole Space Subclass Discriminant Analysis for Face Recognition”, Proceedings of ICIP 2015 (Paper)

  23. O. Morere, H. Goh, A. Veillard, V. Chandrasekhar,, J. Lin, “Co Regularized Deep Representations for Video Summarization”, Proceedings of ICIP 2015 (Paper)

  24. L. Jie, Z. Wang, Y. Wang, V. Chandrasekhar, L. Li, “Selective Aggregated Descriptors for Robust Image Retrieval”, Proceedings of APSIPA 2015 (Paper)

  25. Vijay Chandrasekhar, Jie Lin, Olivier Morere, Antoine Veillard, Hanlin Goh, "Compact Global Descriptors for Visual Search", Proceedings of Data Compression Conference, Snowbird, Utah, March 2015. (Paper)


  26. 2014

  27. Bappaditya Mandal, Chia Shue Ching, Liyuan Li, Vijay Chandrasekhar, Cheston Tan Yin Chet, Lim Joo Hwee, "A Wearable Face Recognition System on Google Glass for Assisting Social Interactions", 3rd International Workshop on Mobile and Egocentric Vision, Asian Conference on Computer Vision, Singapore, December 2014. (Paper)

  28. Sibo Song, Vijay Chandrasekhar, Ngai-Man Cheung, Sanath Narayan, Liyuan Li, Joo-Hwee Lim, "Activity Recognition in Egocentric Life-logging Videos", 3rd International Workshop on Mobile and Egocentric Vision, Asian Conference on Computer Vision, Singapore, December 2014. (Paper)

  29. O. Morere, H. Goh, A. Viellard, V. Chandrasekhar, "Large Scale Image Classification on a Shoe String" (ImageNets 2014 Submission), ImageNet Large Scale Visual Recognition Challenge, European Conference on Computer Vision, Zurich, Switzerland, September 2014. (Paper)

  30. G. Tian, Y. Wong, B. Mandal, V. Chandrasekhar, Liyuan Li, J. H. Lim and M. Kankanhalli, "Recovering Social Interaction Spatial Structure from Multiple First-person Views", Proceedings of 3rd International Workshop on Socially Aware Multimedia, ACM Multimedia Conference, Orlando, Florida, November 2014. (Paper)

  31. A. Araujo, M. Makar, V. Chandrasekhar, D. Chen, S. Tsai, H. Chen, R. Angst, B. Girod, "Efficient Video Search Using Image Queries", Proceedings of International Conference on Image Processing, France, October, 2014. (Paper)

  32. V. Chandrasekhar, W. Min, L. Xiaoli, C. Tan, L. Liyuan and Joo-Hwee Lim, "Incremental Graph Clustering for Efficient Retrieval from Streaming Egocentric Video Data", Proceedings of International Conference on Pattern Recognition, Stockholm, Sweden, August, 2014. (Paper)

  33. C. Tan, H. Goh, V. Chandrasekhar, L. Liyuan, Joo-Hwee Lim, "Understanding the Nature of First Person Videos: Characterization and Classification Using Low Level Features", Proceedings of CVPR Workshop on Egocentric Vision, Columbus, OH, June 2014. (Paper)

  34. V. Chandrasekhar, Wu Min, Xiao Li, Cheston Tan, Bappaditya Mandal, Liyuan Li, Joo Hwee Lim , "Efficient Retrieval from Large-Scale Egocentric Visual Data Using a Sparse Graph Representation", Proceedings of CVPR Workshop on Egocentric Vision, Columbus, OH, June 2014. (Paper)

  35. V. Chandrasekhar, D. Chen, M. Makar, S. Tsai, G. Takacs, B. Girod, "Feature Matching Performance of Compact Descriptors for Visual Search", Proceedings of Data Compression Conference (DCC), Snowbird, Utah, March 2014. (Paper)


  36. 2012

  37. M. Makar, S. S. Tsai, V. Chandrasekhar, D. M. Chen, B. Girod, "Inter-frame Coding of Canonical Patches for Mobile Augmented Reality", Proceedings of IEEE International Symposium on Multimedia (ISM), Irvine, CA, December 2012 (Top 5 Papers). (Paper)

  38. S. S. Tsai, D. Chen, V. Chandrasekhar, G. Takacs, M. Makar, R. Grzeszczuk, and B. Girod, "Improved coding for image feature location information", Proceedings of SPIE Applications of Digital Image Processing (ADIP), San Diego, CA, August 2012. (Paper)

  39. G. Takacs, V. Chandrasekhar, S. S. Tsai, D. M. Chen, R. Grzeszczuk, B. Girod, "Rotation Invariant Fast Features for Large Scale Recognition and Real-time Tracking", Proceedings of SPIE Applications of Digital Image Processing, San Diego, CA, August 2012. (Paper)

  40. M. Makar, H. Lakshman, V. Chandrasekhar, "Gradient Preserving Quantization", Proceedings of International Conference on Image Processing (ICIP), Orlando, Florida, September 2012. . (Best Paper Award Finalist) (Paper)


  41. 2011

  42. V. Chandrasekhar, Y. Reznik, G. Takacs, D. M. Chen, S. S. Tsai, R. Grzeszczuk, and B. Girod, "Compressing Feature Sets with Digital Search Trees", Proceedings of Mobile Vision Workshop, International Conference on Computer Vision (ICCV), Barcelona, Spain, November 2011. (Paper)

  43. V. Chandrasekhar, S. S. Tsai, Y. Reznik, G. Takacs, D. M. Chen, and B. Girod, "Compressing a set of CHoG features", Proceedings of SPIE Workshop on Applications of Digital Image Processing (ADIP), San Diego, August 2011. (Paper)

  44. D. M. Chen, S. S. Tsai, V. Chandrasekhar, G. Takacs, H. Chen, R. Vedantham, R. Grzeszczuk, and B. Girod, "Residual enhanced visual vectors for on-device image matching", Proceedings of Asilomar Conference, Pacific Grove, CA, November 2011. (Paper)

  45. V. Chandrasekhar, M. Sharifi, D. Ross, "Survey and evaluation of audio fingerprinting schemes for mobile audio search", Proceedings of International Symposium on Music and Information Retrieval (ISMIR), Miami, Florida, October 2011. (Paper)

  46. V. Chandrasekhar, E. Sargin, D. Ross, "Automatic Language Identification in Music Videos", Proceedings of International Conference on Acoustic and Signal Processing (ICASP), Prague, Czechoslovakia, May 2011. (Paper)

  47. V. Chandrasekhar, D. Chen, S. S. Tsai, N. M. Cheung, H. Chen, G. Takacs, Y. Reznik, R. Vedantham, R. Grzeszczuk, J. Bach, and B. Girod, "The Stanford mobile visual search dataset", Proceedings of ACM Multimedia Systems Conference (MMSys), San Jose, California, February 2011. (Paper)


  48. 2010

  49. N. M. Cheung, D. M. Chen, V. Chandrasekhar, S. S. Tsai, G. Takacs, S. Halawa and B. Girod, "Restoration of Out-of-focus Lecture Video by Automatic Slide Matching", Proceedings of ACM Multimedia Conference, Florence, Italy, Sep 2010. (Paper)

  50. V. Chandrasekhar, S. S. Tsai, G. Takacs, D. M. Chen, N. M. Cheung, Y. Reznik, R. Vedantham, R. Grzeszczuk and B. Girod, "Low Latency Image Retrieval with Progressive Transmission of CHoG Descriptors", Proceedings of Mobile Cloud Media Computing, ACM Multimedia Conference,Florence, Italy, October 2010. (Paper)

  51. S. S. Tsai, D. M. Chen, V. Chandrasekhar, G. Takacs, N. M. Cheung, R. Vedantham, R. Grzeszczuk and B. Girod, "Mobile Product Recognition", Proceedings of ACM Multimedia Conference,Florence, Italy, Sep 2010. (Paper)

  52. V. Chandrasekhar, D. M. Chen, A. Lin, G. Takacs, S. S. Tsai, N. M. Cheung, Y. Reznik and B. Girod, "Comparison of Local Feature Descriptors for Mobile Visual Search", Proceedings of International Conference on Image Processing (ICIP), Hong Kong, Sep 2010. (Paper)

  53. S.S.Tsai, D. M. Chen,G.Takacs, V. Chandrasekhar, R. Vedantham, R. Grzeszczuk, and B. Girod, "Fast Geometric Reranking for Image based Retrieval", Proceedings of International Conference on Image Processing (ICIP), Hong Kong, Sep 2010. (Paper)

  54. D. M. Chen, N. M. Cheung, S. S. Tsai, V. Chandrasekhar, G. Takacs, R. Vedantham, R. Grzeszczuk and B. Girod, "Dynamic Selection of a Feature Rich Query Frame for Accurate and Low-latency Mobile Video Search", Proceedings of International Conference on Image Processing (ICIP), Hong Kong, Sep 2010. (Paper)

  55. V. Chandrasekhar, M. Makar, G. Takacs, D. M. Chen, S. S. Tsai, R. Grzeszczuk and B. Girod, "Survey of SIFT compression schemes", Proceedings of International Conference on Pattern Recognition (ICPR), Istanbul, Turkey, August 2010. (Paper)

  56. Y. Reznik, V. Chandrasekhar, G. Takacs, D. M. Chen, S. S. Tsai and B. Girod, "Fast Quantization and Matching of Histogram-based Image Feature Descriptors", Proceedings of SPIE Applications of Digital Image Processing Conference, San Diego, August 2010. (Paper)

  57. G. Takacs, V. Chandrasekhar, Huizhong Chen, D. M. Chen, S. S. Tsai, R. Grzeszczuk and B. Girod, "Permutable Descriptors for Orientation-Invariant Matching", Proceedings of SPIE Applications of Digital Image Processing Conference, San Diego, August 2010. (Paper)

  58. V. Chandrasekhar, Y. Reznik, G. Takacs, D. M. Chen, S. S. Tsai, R. Grzeszczuk and B. Girod, "Quantization Schemes for the Compressed Histogram of Gradients descriptor", Proceedings of International Workshop on Mobile Vision, Computer Vision and Pattern Recognition (CVPR), San Francisco, June 2010. (Paper)

  59. G. Takacs, V. Chandrasekhar, D. M. Chen, S. S. Tsai, R. Grzeszczuk and B. Girod, "Unified Real-Time Tracking and Recognition with Rotation-Invariant Fast Features", Proceedings of Computer Vision and Pattern Recognition (CVPR) Conference, San Francisco, June 2010. (Paper)

  60. D. M. Chen, S. S. Tsai, V. Chandrasekhar, G. Takacs, R. Vedantham, R. Grzeszczuk and B. Girod, "Inverted Index Compression for Scalable Image Matching", Proceedings of Data Compression Conference (DCC), Snowbird, Utah, March 2010. (Paper)


  61. 2009

  62. S. Tsai, D. Chen, Gabriel Takacs, V. Chandrasekhar, Jatinder Singh, B. Girod, "Location Coding for Mobile Image Retrieval Systems", Proceedings of Mobimedia, London, UK, September 2009. (Paper)

  63. V. Chandrasekhar, D. Chen, Zhi Li, Gabriel Takacs, Sam S. Tsai, Radek Grzeszczuk, B. Girod, "Low-Rate Image Retrieval with Tree Histogram Coding", Proceedings of Mobimedia, London, UK, September 2009. (Paper)

  64. V. Chandrasekhar, Gabriel Takacs, D. Chen, S. Tsai, R. Grzeszczuk, B. Girod, "CHoG: Compressed Histogram of Gradients - A low bit rate descriptor", Proceedings of IEEE Conference on Computer Vision and Pattern Recognition, Miami, June 2009. Oral Presentation. (Paper)

  65. D. Chen, S. Tsai, V. Chandrasekhar, Gabriel Takacs, Jatinder Singh, B. Girod, "Tree Histogram Coding for Mobile Image Matching", Proceedings of Data Compression Conference (DCC), Snowbird, Utah, March 2009. (Paper)

  66. V. Chandrasekhar, Gabriel Takacs, B. Girod, et. al, "Transform Coding of Feature Descriptors", Proceedings of Visual Communication and Image Processing, San Jose, January 2009. (Paper)

  67. D. Chen, S. Tsai, V. Chandrasekhar, G. Takacs, J.Singh, B.Girod, "Robust image retrieval using multi-view scalable vocabulary trees", Proceedings of Visual Communication and Image Processing, San Jose, January 2009. (Paper)


  68. 2008

  69. Gabriel Takacs, V. Chandrasekhar, B.Girod et. al, "Outdoors Augmented Reality on Mobile Phone using Loxel based Visual Feature Organization", Proceedings of ACM Multimedia Information Retrieval (MIR), Vancouver, Canada, October 2008. Oral Presentation. (Paper)

  70. D. Chen, V. Chandrasekhar, G. Takacs, J. Singh, and B.Girod, "Color restoration for objects of interest using robust image features", IEEE International Workshop on Multimedia Signal Processing (MMSP), Queensland, Australia, Oct. 2008. (Paper)


  71. 2007

  72. V. Chandrasekhar, Gabriel Takacs, B. Girod, R. Grzeszczuk, "Feature Tracking for Mobile Augmented Reality using Video Coder Motion Vectors", Proceedings of the Sixth IEEE and ACM International Symposium on Mixed and Augmented Reality (ISMAR 07), Nara, Japan, November 13-16 2007. (Paper)


  73. 2006

  74. V. Chandrasekhar, Winston KG Seah, Yoo Sang Choo, How Voon Ee, "Localization in Underwater Sensor Networks: Survey and challenges", Proceedings of the ACM Workshop on Underwater Networks (WUWNETS),ACM MobiCom, Los Angeles, CA, Sep 25-29, 2006. (Paper)

  75. Vijay R. Chandrasekhar, Zhi Ang Eu, Winston KG Seah, Venkatesh Pillai, "Experimental Analysis of Area Localization Scheme for Sensor Networks", Proceedings of IEEE Wireless Communications and Networking Conference (WCNC), Hong Kong, March 11-15, 2007. (Paper)

  76. V. Chandrasekhar, Winston KG Seah, "Area Localization Scheme for Sensor Networks", Proceedings of IEEE OCEANS Asia Pacific Conference, Singapore, May 16-19, 2006. (Paper)

  77. Jeffrey HS Tay, V. Chandrasekhar and Winston KG Seah, "Selective Iterative Multilateration for Hop Count-Based Localization in Wireless Sensor Networks", Proceedings of the Workshop on Mobile Location-Aware Sensor Networks (MDM), Nara, Japan, May 9-13, 2006. (Paper)

  78. Jeffrey HS Tay, V. Chandrasekhar and Winston KG Seah, "Range-free Localization Using Dynamic Hop Size Computation in Wireless Sensor Networks", Proceedings of the IEEE Conference on Industrial Informatics (INDIN), Singapore, August 16-18, 2006. (Paper)

Key MPEG contributions

  1. V. Chandrasekhar, G. Takacs, D. Chen, S. Tsai, M. Makar, R. Vedantham, R. Grzeszczuk, and B. Girod, "Stanford-Nokia response to CE2 (128 KB) with low memory descriptors", M24759, February 2012 (100th, Geneva).

  2. D. Chen, V. Chandrasekhar, G. Takacs, S. Tsai, M. Makar, R. Vedantham, R. Grzeszczuk, and B. Girod, "Improvements to the test model with a low memory global descriptor", M24757, February 2012 (100th, Geneva).

  3. S. Tsai, D. Chen, V. Chandrasekhar, G. Takacs, M. Makar, R. Grzeszczuk, and B. Girod, "Response to CE3 -- feature point location coding", M24758, February 2012 (100th, Geneva).

  4. M. Makar, V. Chandrasekhar, H. Lakshman, S. Tsai, G. Takacs, D. Chen, and B. Girod, "Update on canical patch encoding with variable size patches", M24756, February 2012 (100th, Geneva).

  5. V. Chandrasekhar, D. Chen, G. Takacs, S. Tsai, M. Makar, R. Vedantham, R. Grzeszczuk, and B. Girod, "Improvements to the test model under consideration with low memory descriptors", M23580, February 2012 (99th, San Jose).

  6. D. Chen, V. Chandrasekhar, G. Takacs, S. Tsai, M. Makar, R. Vedantham, R. Grzeszczuk, and B. Girod, "Improvements to the test model under consideration with a global descriptor", M23578, February 2012 (99th, San Jose).

  7. S. Tsai, D. Chen, V. Chandrasekhar, G. Takacs, M. Makar, R. Grzeszczuk, and B. Girod, "Improvements to the location coder in the test model under consideration", M23579, February 2012 (99th, San Jose).

  8. M. Makar, V. Chandrasekhar, H. Lakshman, S. Tsai, G. Takakcs, D. Chen, and B. Girod, "Canonical patch encoding for compact descriptors for visual search", M23577, February 2012 (99th, San Jose).

  9. V. Chandrasekhar, G. Kirsch, G. Takacs, D. Chen, S. Tsai, R. Vedantham, R. Grzeszczuk, and B. Girod, "Stanford Aptina Nokia Features: Response to call for proposals on compact descriptors for visual search", M22554, November 2011 (98th, Geneva).

  10. G. Takacs, V. Chandrasekhar, D. Chen, S. Tsai, R. Vedantham, R. Grzeszczuk, and B. Girod, "Stanford Nokia Integrated Fast Features: Response to call for proposals on compact descriptors for visual search", M22553, November 2011 (98th, Geneva).