Conference Papers| Journal Publications

• 

  Nisha Varghese, A.N. Rajagopalan.
  Sea-ing in Low-light.
  IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), Nashville, USA, June 2025.

• 

  Ashish Kumar, A.N. Rajagopalan.
  DynaMoDe-NeRF: Motion-aware Deblurring Neural Radiance Field for Dynamic Scenes.
  IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), Nashville, USA, June 2025.

• 

  Kranthi Kumar Rachavarapu, Kalyan Ramakrishnan, A.N. Rajagopalan.
  Weakly-supervised audio-visual video parsing with prototype-based pseudo-labeling.
  IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), Seattle, USA, June 2024.

• 

  Snehal Singh Tomar, A.N. Rajagopalan.
  Latents2Semantics: Leveraging the Latent Space of Generative Models for Localized Style Manipulation of Face Images (Oral).
  Workshop on AI for Digital Human, AAAI Conference on Artificial Intelligence Workshop (AAAI Workshop), Vancouver, Canada, February 2024.

• 

  Kartik Hegde*, Bhargav Dodla*, A. N. Rajagopalan.
  Semi-Supervised Implicit Augmentation for Data-Scarce VQA.
  Artificial Intelligence with Biased or Scarce Data Workshop, AAAI Conference on Artificial Intelligence Workshop (AAAI Workshop), Vancouver, Canada, February 2024.

• 

  Nisha Varghese, A. N. Rajagopalan.
  Re-Degradation and Contrastive Learning for Zero-shot Underwater Image Restoration.
  British Machine Vision Conference (BMVC), Aberdeen, UK, November 2023.

• 

  Kranthi Kumar Rachavarapu, A.N. Rajagopalan.
  Boosting Positive Segments for Weakly-Supervised Audio-Visual Video Parsing.
  IEEE International Conference on Computer Vision (ICCV), Paris, France, October 2023.

• 

  Nisha Varghese, Ashish Kumar, A. N. Rajagopalan.
  Self-supervised Monocular Underwater Depth Recovery, Image Restoration, and a Real-sea Video Dataset.
  IEEE International Conference on Computer Vision (ICCV), Paris, France, October 2023.

• 

  Aakanksha, A. N. Rajagopalan.
  Improving Robustness of Semantic Segmentation to Motion-Blur using Class-Centric Augmentation.
  IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), Vancouver, Canada, June 2023.

• 

  Snehal Singh Tomar, Maitreya Suin, A.N. Rajagopalan.
  Exploring the Effectiveness of Mask-Guided Feature Modulation as a Mechanism for Localized Style Editing of Real Images (Student Abstract).
  Proceedings of the Thirty Seventh AAAI Conference on Artificial Intelligence, 2023.

• 

  Nisha Varghese, A. N. Rajagopalan.
  Real-time multiple point target detection and tracking in infrared imagery.
  Proceedings of the Indian Conference on Computer Vision, Graphics and Image Processing (ICVGIP), 2022.

• 

  Snehal Singh Tomar, Maitreya Suin, A.N. Rajagopalan.
  Hybrid Transformer based Feature Fusion for Self-Supervised Monocular Depth Estimation".
  Advances in Image Manipulation Workshop, European Conference on Computer Vision Workshops (ECCVW), Tel-Aviv, Israel, October 2022.

• 

  Snehal Singh Tomar, A.N. Rajagopalan.
  Latents2Segments: Disentangling the Latent Space of Generative Models for Semantic Segmentation of Face Images.
  IEEE Conference on Computer Vision and Pattern Recognition (CVPR) Workshop on Computer Vision for Augmented and Virtual Reality, New Orleans, LA, USA, 2022.

• 

  Kranthi Kumar Rachavarapu, Aakanksha, Vignesh Sundaresha, A.N. Rajagopalan.
  Localize to Binauralize: Audio Spatialization from Visual Sound Source Localization.
  IEEE International Conference on Computer Vision (ICCV), Virtual, October 2021.

• 

  Maitreya Suin, Kuldeep Purohit, A. N. Rajagopalan.
  Distillation-guided Image Inpainting.
  IEEE International Conference on Computer Vision (ICCV), Virtual, October 2021.

• 

  Kuldeep Purohit, Maitreya Suin, A. N. Rajagopalan, Vishnu Boddeti.
  Spatially-Adaptive Image Restoration using Distortion-Guided Networks.
  IEEE International Conference on Computer Vision (ICCV), Virtual, October 2021.

• 

  Maitreya Suin, A. N. Rajagopalan.
  Gated Spatio-Temporal Attention-Guided Video Deblurring.
  IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Virtual, USA, June 2021.

• 

  Saurabh Goswami, Aakanksha, A. N. Rajagopalan.
  Robust Super-Resolution of Real Faces using Smooth Features.
  Workshop on Adversarial Robustness in the Real World, European Conference on Computer Vision Workshops (ECCV W), Glasgow, Scotland, August 2020.

• 

  Priyatham Kattakinda, A.N. Rajagopalan.
  Unpaired Image Denoising.
  IEEE International Conference on Image Processing (ICIP), Virtual, UAE, October 2020.

• 

  Maitreya Suin*, Kuldeep Purohit*, A. N. Rajagopalan.
  Spatially-Attentive Patch-Hierarchical Network for Adaptive Motion Deblurring.
  IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Virtual, USA, June 2020.

• 

  Maitreya Suin, A. N. Rajagopalan.
  An Efficient Framework for Dense Video Captioning.
  AAAI Conference on Artificial Intelligence (AAAI), New York, USA, February 2020.

• 

  Kuldeep Purohit, A. N. Rajagopalan.
  Region-Adaptive Dense Network for Efficient Motion Deblurring.
  AAAI Conference on Artificial Intelligence (AAAI), New York, USA, February 2020.

• 

  Kuldeep Purohit, Maitreya Suin, Praveen Kandula, A. N. Rajagopalan.
  Depth-Guided Dense Dynamic Filtering Network for Bokeh Effect Rendering.
  Advances in Image Manipulation Workshop, IEEE International Conference on Computer Vision Workshops (ICCV W), Seoul, Korea, November 2019.

• 

  Mahesh Mohan M. R., Sharath Girish, and A. N. Rajagopalan.
  Unconstrained Motion Deblurring for Dual-lens Cameras.
  IEEE International Conference on Computer Vision (ICCV), Seoul, Korea, November 2019.

• 

  Kuldeep Purohit and A. N. Rajagopalan.
  Efficient Motion Deblurring with Feature Transformation and Spatial Attention.
  IEEE International Conference on Image Processing (ICIP), Taipei, Taiwan, September 2019.

• 

  Kuldeep Purohit, Anshul B. Shah, and A. N. Rajagopalan.
  Bringing Alive Blurred Moments.
  IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Long Beach, California, USA, June 2019.

• 25. Srimanta Mandal, Kuldeep Purohit, and A. N. Rajagopalan.
  Color Image Super Resolution in Real Noise.
  Indian Conference on Computer Vision, Graphics and Image Processing (ICVGIP), December 2018.

• 26. Kuldeep Purohit, Anshul Shah, and A. N. Rajagopalan.
  Learning based Single Image Blur Detection and Segmentation.
  IEEE International Conference on Image Processing (ICIP), Athens, Greece, October 2018.

• 27. Subeesh Vasu, Abhijeet Shenoi, and A. N. Rajagopalan.
  Joint HDR and Super-resolution Imaging in Motion Blur.
  IEEE International Conference on Image Processing (ICIP), Athens, Greece, October 2018.

• 28. T. M. Nimisha, Vijay Rengarajan, and A. N. Rajagopalan.
  Semi-supervised Learning of Camera Motion from a Blurred Image.
  IEEE International Conference on Image Processing (ICIP), Athens, Greece, October 2018.

• 29. Kuldeep Purohit, Srimanta Mandal, and A. N. Rajagopalan.
  Scale-Recurrent Multi-residual Dense Network for Image Super-Resolution.
  Perceptual Image Restoration and Manipulation (PIRM) Workshop, European Conference on Computer Vision Workshops (ECCVW), Munich, Germany, September 2018.

• 30. Subeesh Vasu, Nimisha T. M., and A. N. Rajagopalan.
  Analyzing Perception-Distortion Tradeoff using Enhanced Perceptual Super-resolution Network.
  European Conference on Computer Vision Workshops (ECCVW), Munich, Germany, September 2018.

• 31. M. Nimisha, Sunil Kumar, A.N. Rajagopalan.
  Unsupervised Class-Specific Deblurring.
  European Conference on Computer Vision (ECCV), Munich, Germany, September 2018.

• 32. Subeesh Vasu, Venkatesh Maligireddy, A.N. Rajagopalan.
  Non-blind Deblurring: Handling Kernel Uncertainty with CNNs.
  IEEE Conference on Computer Vision and Pattern Recognition (CVPR), June 2018.

• 33. Subeesh Vasu, Mahesh Mohan M R, A.N. Rajagopalan.
  Occlusion-Aware Rolling Shutter Rectification of 3D Scenes.
  IEEE Conference on Computer Vision and Pattern Recognition (CVPR), June 2018.

• 34. Mahesh Mohan M R, A.N. Rajagopalan.
  Divide and Conquer for Full-Resolution Light Field Deblurring.
  IEEE Conference on Computer Vision and Pattern Recognition (CVPR), June 2018.

• 35. Mahesh Mohan M R, A.N. Rajagopalan, Guna Seetharaman.
  Going Unconstrained with Rolling Shutter Deblurring.
  IEEE International Conference on Computer Vision (ICCV), Venice, Italy, October 2017.

• 36. T.M Nimisha, Akash Kumar Singh, A.N. Rajagopalan.
  Blur-Invariant Deep Learning for Blind Deblurring.
  IEEE International Conference on Computer Vision (ICCV), Venice, Italy, October 2017.

• 37. Subeesh Vasu, A.N. Rajagopalan.
  From local to global: Edge profiles to camera motion in blurred images.
  IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Honolulu, Hawaii, July 2017.

• 38. Vijay Rengarajan, Yogesh Balaji, A.N. Rajagopalan.
  Unrolling the Shutter: CNN to Correct Motion Distortions..
  IEEE Conference on Computer Vision and Pattern Recognition (CVPR), HONOLULU, HAWAII, pp. 2291-2299 , July 2017.

• 39. Abhijith Punnappurath, Yogesh Balaji, Mahesh Mohan, and Rajagopalan A. N.
  Deep Decoupling of Defocus and Motion Blur for Dynamic Segmentation.
  European Conference on Computer Vision (ECCV), Amsterdam, The Netherlands, pp. 750–765, Oct. 2016.

• 40. Vijay Rengarajan, A. N. Rajagopalan, and R. Aravind.
  From Bows to Arrows: Rolling Shutter Rectification of Urban Scenes.
  IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Las Vegas, USA, pp. 2773–2781, June 2016.

• 41. Karthik Seemakurthy, Subeesh Vasu, and A. N. Rajagopalan.
  Deskewing by Space-Variant Deblurring.
  British Machine Vision Conference (BMVC), York, UK, Sept. 2016.

• 42. T. M. Nimisha, M. Arun, and A. N. Rajagopalan.
  Dictionary Replacement for Single Image Restoration of 3D Scenes.
  British Machine Vision Conference (BMVC), York, UK, Sept. 2016.

• 43. M. Arun and A. N. Rajagopalan.
  Hand-held Low-Light Photography with Exposure Bracketing..
  International Conference on Image Processing (ICIP), Phoenix, USA, pp. 1749–1753, Sept. 2016.

• 44. Vijay Rengarajan, Abhijith Punnappurath, A. N. Rajagopalan, and Gunasekaran Seetharaman.
  Rolling Shutter Super-Resolution in Burst Mode.
  International Conference on Image Processing (ICIP), Phoenix, USA, pp. 2807–2811, Sept. 2016.

• 45. Kuldeep Purohit and A. N. Rajagopalan.
  Splicing Localization in Motion Blurred 3D Scenes.
  International Conference on Image Processing (ICIP), Phoenix, USA, pp. 3922–3926, Sept. 2016.

• 46. Kuldeep Purohit, Subeesh Vasu, A. N. Rajagopalan, V. Bala Naga Jyothi, and Ramesh Raju.
  Mosaicing Deep Underwater Imagery.
  Indian Conference on Computer Vision, Graphics and Image Processing (ICVGIP), Guwahati, India, pp. 74.1–74.8, Dec. 2016.

• 47. T. M. Nimisha, Karthik Seemakurthy, A. N. Rajagopalan, Narayanaswamy Vedachalam, and Ramesh Raju.
  Color Restoration in Turbid Medium..
  Indian Conference on Computer Vision, Graphics and Image Processing (ICVGIP), Guwahati, India, pp. 26.1–26.8, Dec. 2016.

• 48. Abhijith Punnappurath, Vijay Rengarajan, and A. N. Rajagopalan.
  Rolling Shutter Super-Resolution.
  IEEE International Conference on Computer Vision (ICCV), Santiago, Chile, pp. 558–566, Dec. 2015.

• 49. M. Arun, A. N. Rajagopalan, and Gunasekaran Seetharaman.
  Multi-Shot Deblurring for 3D Scenes.
  IEEE International Conference on Computer Vision Workshops (ICCVW), Santiago, Chile, pp. 217–225, Dec. 2015.

• 50. Sheetal B. Gupta, A. N. Rajagopalan, and Gunasekaran Seetharaman.
  HDR Recovery Under Rolling Shutter Distortions.
  IEEE International Conference on Computer Vision Workshops (ICCVW), Santiago, Chile, pp. 41–48, Dec. 2015.

• 51. Subeesh Vasu, A. N. Rajagopalan, and Gunasekaran Seetharaman.
  Tapping Motion Blur for Robust Normal Estimation of Planar Scenes.
  IEEE International Conference on Image Processing (ICIP), Quebec City, Canada, pp. 2761–2765, Sept. 2015.

• 52. T. M. Nimisha, A. N. Rajagopalan, and R. Aravind.
  Seamless Change Detection and Mosaicing for Aerial Imagery.
  IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), Boston, USA, pp. 1–7, June 2015.

• 53. Pratyush Sahay and A. N. Rajagopalan.
  Geometric Inpainting of 3D Structures.
  IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), Boston, USA, pp. 1–7, June 2015.

• 54. Arun Asokan Nair, M. Purnachandra Rao, A. N. Rajagopalan, and Guna Seetharaman.
  Cueing Motion Blur for Registration of Inclined Planar Scenes.
  SPIE Defense + Security, International Society for Optics and Photonics, Maryland, USA, Proc. SPIE 9473, 947304, April 2015.

• 55. Vijay Rengarajan, Sheetal B. Gupta, A. N. Rajagopalan, and Guna Seetharaman.
  Illumination Robust Change Detection with CMOS Imaging Sensors.
  SPIE Defense + Security, International Society for Optics and Photonics, Maryland, USA, Proc. SPIE 9473, 947303, April 2015.

• 56. Abhijith Punnappurath, A.N. Rajagopalan, Guna Seetharaman.
  Blind Restoration of Aerial Imagery Degraded by Spatially Varying Motion Blur.
  SPIE Defense + Security, International Society for Optics and Photonics, pp. 90890H-90890H, 2014.

• 57. Vijay Rengarajan, Abhijith Punnappurath, A.N. Rajagopalan, Guna Seetharaman.
  Efficient Change Detection for Very Large Motion Blurred Images.
  IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), 2014.

• 58. S. Karthik, A.N. Rajagopalan.
  Underwater Microscopic Shape from Focus.
  International Conference on Pattern Recognition (ICPR), 2014.

• 59. M. Purnachandra Rao, A.N. Rajagopalan, Guna Seetharaman.
  Inferring Plane Orientation from a Single Motion Blurred Image.
  International Conference on Pattern Recognition (ICPR), 2014.

• 60. Vijay Rengarajan, A.N. Rajagopalan, R. Aravind.
  Motion Estimation and Classification in Compressive Sensing from Dynamic Measurements.
  International Conference on Pattern Recognition (ICPR), 2014.

• 61. Vijay Rengarajan, A.N. Rajagopalan, Aravind Rangarajan.
  Change Detection in the Presence of Motion Blur and Rolling Shutter Effect.
  European Conference on Computer Vision (ECCV), 2014.

• 62. S. Karthik, A.N. Rajagopalan.
  Layered Depth Inference from Flow in Underwater Imagery.
  Indian Conference on Computer Vision, Graphics and Image Processing (ICVGIP), 2014.

• 63. M. Purnachandra Rao, Sahana M. Prabhu, A.N. Rajagopalan, Guna Seetharaman.
  Camouflaging Motion Blur: Art or Science?.
  Indian Conference on Computer Vision, Graphics and Image Processing (ICVGIP), 2014.

• 64. Pratyush Sahay, A.N. Rajagopalan.
  Lost but Found? Harnessing the Internet for Photometric Completion.
  CVPR Workshop on Big Data Computer Vision, 2013.

• 65. C. Paramanand, A.N. Rajagopalan.
  Non-uniform Motion Deblurring for Bi-layer Scenes.
  IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2013.

• 66. C. Paramanand, A.N. Rajagopalan.
  Motion Blur for Motion Segmentation.
  IEEE International Conference on Image Processing (ICIP), 2013.

• 67. M. Purnachandra Rao, A.N. Rajagopalan.
  Harnessing Motion Blur to Uncover Splicing.
  IEEE International Conference on Image Processing (ICIP), Melbourne, September 2013.

• 68. Abhijith Punnappurath, A.N. Rajagopalan, Guna Seetharaman.
  Registration and Occlusion Detection in Motion Blur.
  IEEE International Conference on Image Processing (ICIP), Melbourne, September 2013.

• 69. T. Veeramani, A.N. Rajagopalan, Guna Seetharaman.
  Restoration of Foggy and Motion-blurred Road Scenes.
  IEEE International Conference on Image Processing (ICIP), 2013.

• 70. Pratyush Sahay, A.N. Rajagopalan.
  Harnessing Self-similarity for Reconstruction of Large Missing Regions in 3D Models.
  International Conference on Pattern Recognition (ICPR), 2012.

• 71. Sahana M. Prabhu, A.N. Rajagopalan.
  Joint Multi-frame Super-resolution and Matting.
  International Conference on Pattern Recognition (ICPR), Japan, November 2012.

• 72. M. Kulkarni, A.N. Rajagopalan, G. Rigoll.
  Depth Inpainting with Tensor Voting using Local Geometry.
  International Conference on Computer Vision Theory and Applications (VISAPP), 2012.

• 73. C. S. Vijay, C. Paramanand, A.N. Rajagopalan.
  HDR Imaging under Non-uniform Blurring.
  International Workshop on Color and Photometry in Computer Vision (ECCV), 2012.

• 74. Martin Hoffman, Stephan Schmidt, A.N. Rajagopalan, and Gerhard Rigoll..
  Combined face and gait recognition using alpha matte preprocessing,.
  INTERNATIONAL CONFERENCE ON BIOMETRICS (ICB), NEW DELHI, INDIA, March 2012 (CMC Best paper award).

• 75. A. V. Bhavsar, A.N. Rajagopalan.
  Dis-occlusion via Motion-parallax and Color-segmentation.
  International Conference on Signals, Systems and Automation (ICSSA), 2011.

• 76. Mandar Kulkarni, A.N. Rajagopalan.
  Computer Vision for Heritage Resurrection.
  PROCEEDINGS OF GEO-SUMMIT, CHENNAI, INDIA, pages 1-6, July 2011.

• 77. Mandar Kulkarni, A.N. Rajagopalan.
  Tensor voting based foreground object extraction.
  NATIONAL CONFERENCE ON COMPUTER VISION, PATTERN RECOGNITION, IMAGE PROCESSING AND GRAPHICS, (NCVPRIPG), HUBLI, INDIA, pages 1-6, Dec. 2011.

• 78. C. Paramanand and A.N. Rajagopalan.
  Inferring Image Transformation and Structure from Motion-Blurred Images.
  British Machine Vision Conference (BMVC), Aberystwyth, United Kingdom, 2010.

• 78. Sahana M. Prabhu and A.N. Rajagopalan.
  Matte Super-Resolution for Compositing.
  32nd Annual Symposium of the German Association for Pattern Recognition (DAGM), Darmstadt, Germany, pages 422–431, 2010.

• 79. A.V. Bhavsar and A.N. Rajagopalan.
  Inpainting in Multi-Image Stereo.
  32nd Annual Symposium of the German Association for Pattern Recognition (DAGM), Darmstadt, Germany, pages 172–181, 2010.

• 80. C. Paramanand and A.N. Rajagopalan.
  Inferring Image Transformation and Structure from Motion-Blurred Images.
  British Machine Vision Conference (BMVC), United Kingdom, 2010.

• 81. A.V. Bhavsar and A.N. Rajagopalan.
  Depth Estimation and Inpainting with an Unconstrained Camera.
  British Machine Vision Conference, Aberystwyth, United Kingdom, 2010.

• 82. Sahana M. Prabhu and A.N. Rajagopalan.
  Recursive Video Matting and Denoising.
  International Conference on Pattern Recognition (ICPR), Istanbul, Turkey, pages 4524–4527, 2010.

• 83. A.V. Bhavsar and A.N. Rajagopalan.
  Inpainting Large Missing Regions in Range Images.
  International Conference on Pattern Recognition (ICPR), Istanbul, Turkey, pages 3464–3467, 2010.

• 84. C. Paramanand and A.N. Rajagopalan.
  Unscented Transformation for Depth from Motion-Blur in Videos.
  IEEE Workshop on Three Dimensional Information Extraction for Video Analysis and Mining in Conjunction with CVPR, San Francisco, pages 38–44, 2010.

• 85. R.R. Sahay and A.N. Rajagopalan.
  Real Aperture Axial Stereo: Solving for Correspondences in Blur.
  31st DAGM Symposium, Jena, Germany, pp. 362-371, 2009.

• 86. K. Ramnath and A. N. Rajagopalan.
  Discontinuity Adaptive Shape from Focus.
  Proc. 31st DAGM Symposium on Pattern Recognition (DAGM2009), pp. 181–190, Sep. 2009.

• 87. R.R. Sahay and A.N. Rajagopalan.
  Inpainting in Shape-from-Focus: Taking a Cue from Motion Parallax.
  British Machine Vision Conference (BMVC), London, 2009.

• 88. A.V. Bhavsar and A.N. Rajagopalan.
  Depth Estimation with a Practical Camera.
  British Machine Vision Conference (BMVC), London, 2009.

• 89. C. Paramanand and A.N. Rajagopalan.
  Efficient Geometric Matching with Higher-Order Features.
  Proceedings of the IEEE Intl. Conf. on Pattern Recognition (ICPR 2008), Tampa, Florida, Dec. 2008.

• 90. G.R.K.S. Subrahmanyam, A.N. Rajagopalan, R. Aravind, and G. Rigoll.
  Edge-Preserving Unscented Kalman Filter for Speckle Reduction.
  Proceedings of the IEEE Intl. Conf. on Pattern Recognition (ICPR 2008), Tampa, Florida, Dec. 2008.

• 91. A. Bhavsar and A.N. Rajagopalan.
  Resolution Enhancement for Binocular Stereo.
  Proceedings of the IEEE Intl. Conf. on Pattern Recognition (ICPR 2008), Tampa, Florida, Dec. 2008.

• 92. A.N. Rajagopalan, A. Bhavsar, Frank Wallhoff, and Gerhard Rigoll.
  Resolution Enhancement of PMD Range Maps.
  Annual Symposium of the German Association for Pattern Recognition (DAGM 2008), Munich, Germany, pp. 304-313, June 2008.

• 93. R.R. Sahay and A.N. Rajagopalan.
  A Model-Based Approach to Shape from Focus.
  Intl. Conf. on Computer Vision Theory and Applications (VISAPP 2008), Funchal, Portugal, pp. 243-250, Jan. 2008.

• 94. A.V. Bhavsar and A.N. Rajagopalan.
  Joint Estimation in Stereo Super-Resolution.
  National Conference on Computer Vision, Pattern Recognition, Image Processing and Graphics (NCVPRIPG 2008), pp. 178-183, 2008.

• 95. A.V. Bhavsar and A.N. Rajagopalan.
  Range Map with Missing Data - Joint Resolution Enhancement and Inpainting.
  Indian Conference on Computer Vision, Graphics and Image Processing (ICVGIP 2008), 2008.

• 96. C. Paramanand and A.N. Rajagopalan.
  Representation and transformation of geometric patterns.
  In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON SYSTEMICS, CYBERNETICS AND INFORMATICS, ICSCI-2007, HYDERABAD, 2007.

• 97. K. V. Suresh and A. N. Rajagopalan.
  A computationally efficient MAP-MRF framework for super-resolution.
  In PROCEEDINGS OF THE NATIONAL CONFERENCE ON VLSI DESIGN, SIGNAL PROCESSING AND COMMUNICATIONS (NC-VSPCOM 2007), TUMKUR, pages 80–86, 2007.

• 98. K. V. Suresh and A. N. Rajagopalan.
  Super-resolution using both motion and defocus cues.
  In PROCEEDINGS OF THE IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING (ICIP 2007), SAN ANTONIO, TEXAS, pages IV 213–IV 216, 2007.

• 99. K. V. Suresh and A. N. Rajagopalan.
  Super-resolution for real-aperture cameras.
  In PROCEEDINGS OF THE IET INTERNATIONAL CONFERENCE ON VISUAL INFORMATION ENGINEERING (VIE 2007), LONDON, 2007.

• 100. G.R.K. S. Subrahmanyam, A. N. Rajagopalan and R. Aravind.
  Unscented Kalman filter for image estimation in film-grain noise.
  In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE IN IMAGE PROCESSING (ICIP 2007), SAN ANTONIO, TEXAS, pages 17–20 (IV), 2007.

• 101. R.R. Sahay and A.N. Rajagopalan.
  High resolution image reconstruction in shape from focus.
  In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING (ICIP 2007), SAN ANTONIO, TEXAS, pages 69–72 (II), 2007.

• 102. R.R. Sahay and A.N. Rajagopalan.
  Shape from focus: Optimal reconstruction of high-resolution images of 3d objects.
  In PROCEEDINGS OF THE IET INTERNATIONAL CONFERENCE ON VISUAL INFORMATION ENGINEERING (VIE 2007), LONDON, 2007.

• 103. K.S. Pradeep and A.N. Rajagopalan.
  Shape estimation of microscopic objects.
  In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON SYSTEMICS, CYBERNETICS AND INFORMATICS (ICSCI 2006), HYDERABAD, pages 886–890, 2006.

• 104. Ayan Chakrabarti and A.N. Rajagopalan.
  A kernel PCA-based method for super-resolution of face images.
  In PROCEEDINGS OF THE WORKSHOP ON COMPUTER VISION, GRAPHICS, AND IMAGE PROCESSING (WCVGIP’06), HYDERABAD, January 2006.

• 105. K.V. Suresh and A.N. Rajagopalan.
  Robust super-resolution: A Bayesian approach.
  In PROCEEDINGS OF THE WORKSHOP ON COMPUTER VISION, GRAPHICS, AND IMAGE PROCESSING (WCVGIP’06), HYDERABAD, pages 77–82, 2006.

• 106. K.S. Pradeep and A.N. Rajagopalan.
  A novel method to estimate 3-d shape of microscopic objects.
  In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING, COMPUTER VISION, AND PATTERN RECOGNITION (IPCV 2006), LAS VEGAS, NEVADA, 2006.

• 107. K.V. Suresh and A.N. Rajagopalan.
  Super-resolution in the presence of space-variant blur.
  In PROCEEDINGS OF THE IEEE INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION (ICPR 2006), HONGKONG, pages 770–773, 2006.

• 108. K.S. Pradeep and A.N. Rajagopalan.
  Improving shape from focus using defocus information.
  In PROCEEDINGS OF THE IEEE INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION (ICPR 2006).

• 109. C. Paramanand and A.N. Rajagopalan.
  An efficient representation of digital curves with line12 segments and elliptical arcs.
  In PROCEEDINGS OF THE IET INTERNATIONAL CONFERENCE ON VISUAL INFORMATION ENGINEERING (VIE’06), BANGALORE, pages 470–475, 2006.

• 110. K. V. Suresh and A. N. Rajagopalan.
  A discontinuity adaptive method for super-resolution of license plates.
  In PROCEEDINGS OF THE INDIAN CONFERENCE ON VISION, GRAPHICS AND IMAGE PROCESSING (ICVGIP 2006), MADURAI, pages 25–34, 2006.

• 111. K.V. Suresh and A.N. Rajagopalan.
  Robust space-variant super-resolution.
  In PROCEEDINGS OF THE IET INTERNATIONAL CONFERENCE ON VISUAL INFORMATION ENGINEERING (VIE’06), BANGALORE, pages 600–605, 2006.

• 112. G.R.K.S. Subrahmanyam and A.N. Rajagopalan.
  A new extension of Kalman filter to nonGaussian priors.
  In PROCEEDINGS OF THE INDIAN CONFERENCE ON COMPUTER VISION, GRAPHICS AND IMAGE PROCESSING (ICVGIP’06), MADURAI, pages 162–171, 2006.

• 113. K. V. Suresh and A. N. Rajagopalan.
  Robust super-resolution imaging.
  In PROCEEDINGS OF THE IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING (ICASSP 2006), TOULOUSE, FRANCE, 2006.

• 114. S. Ibrahim Sadhar and A.N. Rajagopalan.
  Recovery of Nonlinearly Degraded Images.
  IEEE International Conference on Image Processing (ICIP - 2004), Singapore, October 2004.

• 115. K. Srinivasa Rao and A.N. Rajagopalan.
  A probabilistic fusion technique for face recognition.
  European Signal Processing Conference (EUSIPCO'04), Austria, 2004.

• 116. S. Ibrahim Sadhar and A.N. Rajagopalan.
  Restoration of images degraded by sensor non-linearity.
  European Signal Processing Conference (EUSIPCO 04), Austria, 2004.

• 117. S. Ibrahim Sadhar and A.N. Rajagopalan.
  Particle filter for space-variant blur identification.
  International Conf. on Systems, Control and Informatics (ICSCI 04), Hyderabad, 2004.

• 118. K. Srinivasa Rao and A.N. Rajagopalan.
  Probabilistic fusion of facial features.
  Workshop on Computer Vision, Graphics, and Image Processing (WCVGIP' 04), Gwalior, pp. 45-48, Feb. 2004.

• 119. S. Ibrahim Sadhar, P.Y. Praveen Kumar, and A.N. Rajagopalan.
  Particle filters for image restoration.
  National Conference on Communications (NCC 04), Bangalore, 2004.

• 120. P.Y. Praveen Kumar, S. Ibrahim Sadhar, and A.N. Rajagopalan.
  A general recursive framework for image restoration using particle filters.
  Asian Conference on Computer Vision (ACCV 2004), Korea, 2004.

• 121. Srinivasa Rao, K., Ghadi, L.S., Anoop Kumar, Y. and Rajagopalan, A.N.
  Robust face recognition by fusion.
  Indian Conference on Computer Vision, Graphics and Image Processing (ICVGIP'04), Kolkata, India, December 2004, 669-674.

• 122. Amit Kale, Naresh Cuntoor, B. Yegnanarayana, A.N Rajagopalan, and Rama Chellappa.
  Gait Analysis for Human Identification.
  IEEE Intl. Conference on Audio and Video-based biometric person authentication (AVBPA 2003), Surrey, UK, 2003.

• 123. A.N. Rajagopalan, Rama Chellappa and Nathan Kotherba.
  Robust face recognition in the presence of clutter.
  IEEE Intl. Conference on Audio and Video-based biometric person authentication (AVBPA 2003), Surrey, UK, 2003.

• 124. D.V. Karthik and A.N. Rajagopalan.
  Face detection in cluttered background using support vector machines.
  Proceedings of the National Conference on Communications (NCC'03), (IIT, Madras), 2003.

• 125. V. Phani Kiran and A.N. Rajagopalan.
  Role of relative blur in motion-free superresolution.
  IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP'03), (Hongkong), 2003.

• 126. S. Kannumuri and A.N. Rajagopalan.
  Human face detection in cluttered color images using skin color and edge information.
  Indian Conference on Computer Vision, Graphics and Image Processing (ICVGIP'02), (Ahmedabad, India), Dec. 2002.

• 127. P.K. Vajapayezula and A.N. Rajagopalan.
  Motion-free superresolution.
  Indian Conference on Computer Vision, Graphics and Image Processing (ICVGIP'02), (Ahmedabad, India), Dec. 2002.

• 128. A. Kale, A.N. Rajagopalan, N. Cuntoor and V. Kruger.
  Human identification using gait.
  Proceedings of the IEEE International Conference on Face and Gesture Recognition, (Washington, D.C), May 2002.

• 129. R.K. Singh and A.N. Rajagopalan.
  Robust face recognition using background learning.
  Proceedings of the IEEE International Conference on Pattern Recognition, (Quebec, Canada), Aug. 2002.

• 130. A. Kale, A.N. Rajagopalan and Rama Chellappa.
  Recognition of humans using gait.
  Proceedings of the Federal Labs Symposium, (College Park, MD), March 2001.

• 131. A.N. Rajagopalan, S. Chaudhuri and Rama Chellappa.
  Error bounds in depth from defocus.
  Indian Conference on Computer Vision, Graphics and Image Processing (ICVGIP'00), (Bangalore, India), Dec. 2000.

• 132. A.N. Rajagopalan and Rama Chellappa.
  Higher-order spectral analysis of human motion.
  Proceedings of the IEEE International Conference on Image Processing (ICIP'00), (Vancouver, Canada), Sept. 2000.

• 133. A.N. Rajagopalan and Rama Chellappa.
  Vehicle detection and tracking in video.
  Proceedings of the IEEE International Conference on Image Processing (ICIP'00), (Vancouver, Canada), Sept. 2000.

• 134. Rama Chellappa and A.N. Rajagopalan.
  Tracking humans in video.
  International Conference on Multimedia Processing and Systems (ICMPS'00), (Chennai, India), August 2000.

• 135. A.N. Rajagopalan and Rama Chellappa.
  Human motion analysis using higher-order spectra.
  Proceedings of the Advanced Sensors Federated Laboratory Symposium (ASFL 00), (College Park, Maryland), March 2000, pp. 77-81.

• 136. A.N. Rajagopalan, Philippe Burlina and Rama Chellappa.
  Higher order statistical learning for vehicle detection in images.
  Proceedings of the IEEE International Conference on Computer Vision (ICCV'99), (Kerkyra, Greece), Sept. 1999, pp. 1204-1209.

• 137. A.N. Rajagopalan, Philippe Burlina and Rama Chellappa.
  Detection of people in images.
  Proceedings of the IEEE International Joint Conference on Neural Networks (IJCNN'99), (Washington, DC), July 1999.

• 138. A.N. Rajagopalan and S. Chaudhuri.
  Simultaneous depth recovery and image restoration from defocused images.
  Proceedings of the IEEE International Conference on Computer Vision and Pattern Recognition (CVPR'99), (Fort Collins, Colorado), June 1999, pp. 348-353.

• 139. Avinash Jain, A.N. Rajagopalan and U.B. Desai.
  Data clustering using hierarchical deterministic annealing and higher order statistics.
  National Conference on Communications (NCC'98), (IISc, Bangalore), Feb. 1998, pp. 79-84.

• 140. A.N. Rajagopalan and S. Chaudhuri.
  Optimal recovery of depth from defocused images using an MRF model.
  Proceedings of the IEEE International Conference on Computer Vision (ICCV'98), (Bombay, India), Jan. 1998, pp. 1047-1052.

• 141. A.N. Rajagopalan, K. Sunil Kumar, Jayashree Karlekar, R. Manivasakan, M. Milind Patil, U. B. Desai, P. G. Poonacha and S. Chaudhuri.
  Finding faces in photographs.
  Proceedings of the IEEE International Conference on Computer Vision (ICCV'98), (Bombay, India), Jan. 1998, pp. 640-645.

• 142. A.N. Rajagopalan and S. Chaudhuri.
  Identification of shift-variant point spread function for a class of imaging systems.
  IEEE TENCON `97, (Brisbane, Australia), Dec. 1997, pp. 275-278.

• 143. A.N. Rajagopalan, M. Yeasin and S. Chaudhuri.
  Data clustering using higher order statistics.
  IEEE TENCON '97, (Brisbane, Australia), Dec. 1997, pp. 803-806.

• 144. A.N. Rajagopalan and S. Chaudhuri.
  Optimum camera parameter settings for recovery of depth from defocused images.
  Proceedings of the IEEE International Conference on Computer Vision and Pattern Recognition (CVPR'97), (Puerto Rico), June 1997, pp. 219-224.

• 145. A.N. Rajagopalan and S. Chaudhuri.
  Maximum likelihood estimation of blur from multiple observations.
  Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP'97), (Munich, Germany), April 1997, pp. 2577-2580.

• 146. A.N. Rajagopalan and S. Chaudhuri.
  Recovery of depth from defocused images using AR spectral estimator.
  Proceedings of the National Conference on Communications (NCC'96), (IIT, Bombay), Feb. 1996, pp. 221-224.

• 147. A.N. Rajagopalan and S. Chaudhuri.
  Recovery of depth from defocused images using space-frequency representation.
  Proceedings of the Indian Conference on Pattern recognition, Image processing and Computer vision (ICPIC'95), (IIT, Kharagpur), Dec. 1995, pp. 95-100.

• 148. A.N. Rajagopalan and S. Chaudhuri.
  A variational approach to depth from defocus.
  Proceedings of the International Symposium on Intelligent Robotic Systems (ISIRS'95), (Bangalore, India), Nov. 1995, pp. 45-48.

• 149. A.N. Rajagopalan and S. Chaudhuri.
  A block-shift variant blur model for recovery of depth from defocused images.
  Proceedings of the IEEE International Conference on Image Processing (ICIP'95), (Washington, D.C.), Oct. 1995, pp. 636-639.

• 150. A.N. Rajagopalan and S. Chaudhuri.
  Recovery of depth from defocused images.
  Proceedings of the National Conference on Communications (NCC'95), (IIT, Kanpur), March 1995, pp. 155-159.

• 151. Rajagopalan, A.N. and Murukutla, N.L.M.
  Mode S SSR.
  Proc. Workshop on Satellite Aided Communication, Navigation and Surveillance, Hyderabad, India, February 1992.

Journal Publications| Conference Papers

15. 

    Aakanksha, Ashish Kumar, A. N. Rajagopalan.
    Ball Trajectory and Spin Analysis from Asynchronous Videos.
    IEEE Sensors Letters, 2025.

16. 

    Nisha Varghese, A. N. Rajagopalan.
    Real-time Large-motion Deblurring for Gimbal-based Imaging Systems.
    IEEE Journal of Selected Topics in Signal Processing, 2024.

17. 

    S. Gupta, Snehal Singh Tomar, Grigorios Chrysos, S. Das, and A. N. Rajagopalan.
    PNeRV: A Polynomial Neural Representation for Videos.
    Transactions on Machine Learning Research (TMLR), 2024.

18. 

    Kartik Hegde*, Bhargav Dodla*, and A. N. Rajagopalan.
    Semi-Supervised Implicit Augmentation for Data-Scarce VQA.
    Computer Sciences & Mathematics Forum, February 2024.

19. 

    Praveen Kandula, Maitreya Suin, A. N. Rajagopalan.
    Illumination-adaptive Unpaired Low-light Enhancement.
    IEEE Transactions on Circuits and Systems for Video Technology, January 2023.

20. 

    Praveen Kandula, A. N. Rajagopalan.
    Distortion Disentanglement and Knowledge Distillation for Satellite Image Restoration.
    IEEE Transactions on Geoscience and Remote Sensing, December 2022.

21. 

    Nisha Varghese, Mahesh Mohan M. R., A. N. Rajagopalan.
    Fast Motion-deblurring of IR Images.
    IEEE Signal Processing Letters, January 2022.

22. 

    Kuldeep Purohit, Subeesh Vasu, M. Purnachandra Rao, A. N. Rajagopalan.
    Multi-planar Geometry and Latent Image Recovery from a Single Motion-Blurred Image.
    Machine Vision and Applications, 2021.

23. 

    Mahesh Mohan M. R., G.K. Nithin, A. N. Rajagopalan.
    Deep Dynamic Scene Deblurring for Unconstrained Dual-Lens Cameras.
    IEEE Transactions on Image Processing, 2021.

24. 

    Maitreya Suin*, Kuldeep Purohit*, A.N. Rajagopalan.
    Degradation Aware Approach to Image Restoration Using Knowledge Distillation.
    IEEE Journal of Selected Topics in Signal Processing, 2021.

25. 

    Srimanta Mandal, and A. N. Rajagopalan.
    Local Proximity for Enhanced Visibility in Haze.
    IEEE Transactions on Image Processing, 2020.

26. 

    Praveen Kandula, Lokesh Kumar, and A. N. Rajagopalan.
    Deep End-to-End Rolling Shutter Rectification.
    Journal of the Optical Society of America A, 2020.

27. 

    Kuldeep Purohit, Srimanta Mandal, and A.N. Rajagopalan.
    Mixed-Dense Connection Networks for Image and Video Super-Resolution.
    Neurocomputing (Special Issue on Deep Learning for Image Super-Resolution), 2019.

28. 

    Kuldeep Purohit, Srimanta Mandal, and A.N. Rajagopalan.
    Multi-level Weighted Enhancement for Underwater Image Dehazing.
    Journal of the Optical Society of America A, 2019.

29. T. M. Nimisha, A. N. Rajagopalan, and R. Aravind.
    Generating High Quality Pan-Shots from Motion Blurred Videos.
    Computer Vision and Image Understanding (CVIU), May 2018.

30. Subeesh Vasu, A. N. Rajagopalan, and Guna Seetharaman.
    Camera Shutter-Independent Registration and Rectification.
    IEEE Transactions on Image Processing, Vol. 27, No. 4, pp. 1901 - 1913, April 2018.
31. Abhijith Punnappurath, T. M. Nimisha, and A.N. Rajagopalan.
    Multi-image blind super-resolution of 3D scenes.
    IEEE Transactions on Image Processing, Vol. 26, No. 11, pp. 5337-5352, November 2017.
32. Vijay Rengarajan, A.N. Rajagopalan, R. Aravind, and Guna Seetharaman.
    Image Registration and Change Detection under Rolling Shutter Motion Blur.
    IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), November 2016.
33. Abhijith Punnappurath and A. N. Rajagopalan.
    Recognizing blurred, nonfrontal, illumination, and expression variant partially occluded faces.
    Journal of the Optical Society of America A, 33, pp. 1887-1900, 2016.
34. Karthik Seemakurthy and A.N. Rajagopalan.
    Change Detection in Underwater Imagery.
    Journal of the Optical Society of America A, 33, pp. 301-313, 2016.
35. Abhijith Punnappurath, A. N. Rajagopalan, Sima Taheri, Rama Chellappa, and Guna Seetharaman.
    Face Recognition across Non-Uniform Motion Blur, Illumination, and Pose.
    IEEE Transactions on Image Processing, Vol. 24, No. 7, pp. 2067-2082, July 2015.
36. Karthik Seemakurthy and A.N. Rajagopalan.
    Deskewing of underwater images.
    IEEE Transactions on Image Processing, Vol. 24, Iss. 3, pp. 1046-1059, March 2015.
37. M. Purnachandra Rao, A.N. Rajagopalan and Guna Seetharaman.
    Harnessing Motion Blur to Unveil Splicing.
    IEEE Transactions on Information Forensics and Security, Vol. 9, Iss. 4, pp. 583-595, April 2014.
38. C. Paramanand, and A.N. Rajagopalan.
    Shape from Sharp and Motion-Blurred Image Pair.
    International Journal of Computer Vision, Vol. 107, Iss. 3, pp. 272-292, May 2014.
39. Kulkarni, Mandar, and Ambasamudram N. Rajagopalan.
    Depth inpainting by tensor voting.
    Journal of the Optical Society of America A (JOSA A) 30.6 (2013): 1155-1165.
40. C. S. Vijay, C. Paramanand, A. N. Rajagopalan and R. Chellappa.
    Non-uniform deblurring in HDR image reconstruction.
    IEEE Transactions on Image Processing, Vol. 22, No. 10, pp. 3739-3750, Oct. 2013.
41. Sahana M. Prabhu and A.N. Rajagopalan.
    Unified multi-frame super-resolution of matte, foreground and background.
    Journal of the Optical Society of America A (JOSA A) 30, 1524-1534, 2013.
42. Rajiv R. Sahay and A. N. Rajagopalan.
    Shape extraction of low-textured objects in video microscopy.
    Journal of Microscopy, vol. 245, pp. 252-264, March 2012.
43. A. V. Bhavsar and A. N. Rajagopalan.
    Range map super-resolution inpainting and reconstruction from sparse data.
    Computer Vision and Image Understanding (CVIU), Vol. 116, Issue 4, pp. 572 - 591, 2012.
44. A. V. Bhavsar and A. N. Rajagopalan.
    Towards unrestrained depth inference with coherent occlusion filling.
    International Journal of Computer Vision (IJCV), Vol. 97, Issue 2, pp. 167 - 190, 2012.
45. Hariharan, R.; Rajagopalan, A.N.;.
    Shape-From-Focus by Tensor Voting.
    IEEE Transactions on Image Processing, vol. 21, no. 7, pp. 3323-3328, July 2012.
46. A.N. Rajagopalan.
    Motion-blur: Some new insights.
    Annals of the Indian National Academy of Engineering, 2012.
47. C. Paramanand and A. N. Rajagopalan.
    Depth from motion and optical blur with unscented Kalman filter.
    IEEE Transactions on Image Processing, vol. 21, no. 5, pp. 2798-2811, 2012.
48. Rajiv R. Sahay and A. N. Rajagopalan.
    Dealing with parallax in shape-from-focus.
    IEEE Transactions on Image Processing, vol. 20, pp. 558-569, 2011.
49. Sahana M. Prabhu and A.N. Rajagopalan.
    Natural Matting for Degraded Pictures.
    IEEE Trans. Image Proc., vol. 20, no. 12, pp. 3647--3653, Dec. 2011.
50. C. Paramanand and A.N. Rajagopalan.
    Image matching with higher-order geometric features.
    Journal of the Optical Society of America A vol. 27, no. 4, pp. 739-748, 2010.
51. G. R. K. S. Subrahmanyam, A. N. Rajagopalan and R. Aravind.
    A recursive framework for joint inpainting and de-noising of photographic films.
    Journal of the Optical Society of America A (JOSA A) vol. 27, no. 5, pp. 1091-1099, 2010.
52. A.V. Bhavsar and A.N. Rajagopalan.
    Resolution enhancement in multi-image stereo.
    IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 32, Issue 9, pp. 1721 - 1728, 2010.
53. Rajiv R. Sahay and A. N. Rajagopalan.
    Joint image and depth completion in shape-from-focus: Taking a cue from parallax.
    Journal of the Optical Society of America A (JOSA A), vol. 27, no. 5, pp. 1203-1213, 2010.
54. G.R.K.S. Subrahmanyam, A.N. Rajagopalan and R. Aravind.
    A recursive filter for despeckling SAR images.
    IEEE Transactions on Image Processing, vol. 17, no. 10, pp. 1969-1974, 2008.
55. R.R. Sahay and A.N. Rajagopalan.
    Harnessing defocus blur to recover high-resolution information in shape-from-focus technique.
    IET Computer Vision, vol. 2, no. 2, pp. 50-59, 2008.
56. G.R.K.S. Subrahmanyam, A. N. Rajagopalan and R. Aravind.
    Importance sampling unscented Kalman filter for film-grain noise removal.
    IEEE Multimedia Magazine, vol. 15, no. 2, pp. 52-63, 2008.
57. Pradeep, K. and Rajagopalan, A.N.
    Improving shape from focus using defocus cue.
    IEEE Transactions on Image Processing. 16,1920 - 1925.
58. Shanker, P.A. and Rajagopalan, A.N.
    Off-line signature verification using DTW.
    Pattern Recognition Letters. 28, 1407-1414.
59. Subrahmanyam, G.R.K.S., Rajagopalan, A.N., and Aravind, R.
    Importance sampling Kalman filter for image estimation.
    IEEE Signal Processing Letters. 14, 453 - 456.
60. Suresh, K.V., Mahesh, G., and Rajagopalan, A.N.
    Super-resolution of license plates in real traffic videos.
    IEEE Transactions on Intelligent Transportation Systems, 8, 321-331.
61. Suresh, K.V. and Rajagopalan, A.N.
    A robust and computationally efficient super-resolution algorithm.
    Journal of the Optical Society of America A (JOSA A), 24, 984-992.
62. Chakrabarti A., Rajagopalan, A.N., and Chellappa R.
    Super-resolution of face images using kernel PCA-based prior..
    IEEE Transactions on Multimedia, 9, 888-892.
63. Rajagopalan, A.N., Rao, K.S. and Kumar, Y.A.
    Face recognition using multiple facial features.
    Pattern Recognition Letters, 28, 335-341.
64. R.R. Sahay and A.N. Rajagopalan.
    Extension of the shape from focus method for reconstruction of high resolution images.
    Journal of the Optical Society of America A, Vol. 24, Issue 11, pp. 3649-3657, 2007.
65. Krishna, P.J. and Rajagopalan, A.N.
    Image restoration using the particle filter: Handling non-causality.
    IEE-F Proceedings on Vision, Image and Signal Processing, 153, 650-656.
66. Ibrahim, S.S. and Rajagopalan, A.N.
    Restoration of scanned photographic images.
    Signal Processing'' 86, 1035-1048.
67. Ibrahim, S.S. and Rajagopalan, A.N.
    Particle filter for identification of parametric space-variant blur.
    International Journal of Systemics, Cybernetics and Informatics, 2006, 013-019.
68. Rao, K.S. and Rajagopalan, A.N.
    A probabilistic fusion methodology for face recognition.
    EURASIP Journal on Applied Signal Processing, 2005, 2772-2787.
69. Rajagopalan, A.N., Chellappa, R. and Koterba, N.
    Background learning for robust face recognition with PCA in the presence of clutter.
    IEEE Transactions on Image Processing, 2005, 14, 832-843.
70. Ibrahim, S.S. and Rajagopalan, A.N.
    Image recovery under nonlinear/non-Gaussian degradations.
    JOSA-A: Journal of the Optical Society of America A, 2005, 22, 604-615.
71. Ibrahim, S.S. and Rajagopalan, A.N.
    Image estimation in film-grain noise.
    IEEE Signal Processing Letters, 2005, 12, 238-241.
72. Rajagopalan, A.N., Chaudhuri, S. and Uma, M.
    Depth estimation and image restoration using defocused stereo pairs.
    IEEE Transactions on Pattern Analysis and Machine Intelligence, 2004, 26, 1521-1525.
73. Kale, A., Rajagopalan, A.N., Sundaresan, A., Cuntoor, N., RoyChowdhury, A., Kruger, V. and Chellappa, R.
    Identification of humans using gait.
    IEEE Transactions on Image Processing, 2004, 13, 1163-1173.
74. Rajagopalan, A.N. and Kiran, V.P.
    Motion-free superresolution and the role of relative blur.
    JOSA-A: Journal of the Optical Society of America A, 2003, 20(11), 2022-2032.
75. Rajagopalan, A.N.
    Clustering using higher order statistics.
    Electronics Letters, 2002, 18, 122-124.
76. Rajagopalan, A.N. and Chellappa, R.
    Higher order statistics-based detection of vehicles in still images.
    JOSA-A: Journal of the Optical Society of America A, 2001, 18, 3037-3048.
77. Rajagopalan, A.N. and Chellappa, R.
    Higher order statistics-based detection of people/vehicles in images.
    INSA-A Journal: Special Issue on Image Processing, Vision and Pattern Recognition, 2001, 67, 157-166.
78. Rajagopalan, A.N., Chaudhuri, S. and Chellappa, R.
    A quantitative analysis of error bounds in the recovery of depth from defocused images.
    JOSA-A: Journal of the Optical Society of America A, 2000, 17(10), 1722-1731.
79. Rajagopalan, A.N., Kumar, K.S., Karlekar, J., Manivasakan, R., Patil, M.M., Desai, U.B., Poonacha, P.G. and Chaudhuri, S.
    Locating human faces in a cluttered scene.
    CVGIP: Graphical Models and Image Processing, 2000, 62(5), 323-342.
80. Rajagopalan, A.N., Jain, A. and Desai, U.B.
    Data clustering using hierarchical deterministic annealing and higher order statistics.
    IEEE Transactions on Circuits and Systems-II, 1999, 46(8), 1100-1104.
81. Rajagopalan, A.N. and Chaudhuri, S.
    MRF model-based identification of shift-variant point spread function for a class of imaging systems.
    Signal Processing, 1999, 76(3), 285-299.
82. Rajagopalan, A.N. and Chaudhuri, S.
    An MRF model-based approach to simultaneous recovery of depth and restoration from defocused images.
    IEEE Transactions on Pattern Analysis and Machine Intelligence, 1999, 21(7), 577-589.
83. Rajagopalan, A.N. and Chaudhuri, S.
    Performance analysis of maximum likelihood estimator for recovery of depth from defocused images and optimal selection of camera parameters.
    International Journal of Computer Vision, 1998, 30(3), 175-190.
84. Rajagopalan, A.N. and Chaudhuri, S.
    A recursive algorithm for maximum likelihood-based identification of blur from multiple observations.
    IEEE Transactions on Image Processing, 1998, 7(7), 1075-1079.
85. Rajagopalan, A.N. and S. Chaudhuri
    Avariational approach to depth from defocused images.
    IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE, vol. 19, pages 1158-1165. 1997.

Books

• 1. A.N. Rajagopalan and Rama Chellappa (Eds.).
  Motion deblurring: Algorithms and systems.
  Cambridge University Press, Cambridge, 2014.

• 2. Krishna Sivalingam, Srikrishna Bhashyam, and A.N. Rajagopalan (Eds.).
  Proceedings of the Sixteenth National Conference on Communication.
  IEEE Xplore, 2010.

• 3. A.N. Rajagopalan, P.J. Narayanan, and Phil Torr (Eds.).
  Proceedings of the Seventh Indian Conference on Computer Vision, Graphics and Image Processing.
  ACM Digital Library, 2010.

• 4. Sharat Chandran, P.J. Narayanan, and A.N. Rajagopalan, Guest Editors.
  The Visual Computer, Dec. 2011 (Special issue on best papers from ICVGIP 2010).

• 5. S. Chaudhuri and A.N. Rajagopalan.
  Depth from defocus: A real aperture imaging approach.
  Springer, New York, 1999.

Book chapters

• 1. C.S. Vijay, C. Paramanand, A.N. Rajagopalan.
  HDR imaging in the presence of motion blur.
  In *Motion deblurring: Algorithms and Systems*, Eds. A.N. Rajagopalan and Rama Chellappa, Cambridge University Press, UK, 2014.

• 2. A. Kale, N. Cuntoor, B. Yegnanarayana, A.N. Rajagopalan and Rama Chellappa.
  Gait-based human identification using appearance matching.
  In *Optical and Digital Techniques for Information Security*, Ed. Bahram Javidi, Springer-Verlag, New York, 2004.