Srikumar Ramalingam

Srikumar Ramalingam
  • Phone: 617-621-7561
  • Email: ramalingam[at]merl[dot]com
  • Biography

    Srikumar's PhD thesis on generic imaging models received the INPG best thesis prize and the AFRIF thesis prize (honorable mention) from the French Association for Pattern Recognition. His research interests include multi-view geometry and discrete optimization. At MERL, he has been working on robotics and car-navigation projects.

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  • Research Highlights

  • MERL Publications

    •  Sankaran, B., Ramalingam, S., Taguchi, Y., "Parameter Learning for Improving Binary Descriptor Matching", IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), October 2016.
    •  Pillai, S.; Ramalingam, S.; Leonard, J.J., "High-Performance and Tunable Stereo Reconstruction", IEEE International Conference on Robotics and Automation (ICRA), DOI: 10.1109/ICRA.2016.7487488, May 2016, pp. 3188-3196.
      BibTeX Download PDFRead TR2016-037
      • @inproceedings{Pillai2016may,
      • author = {Pillai, S. and Ramalingam, S. and Leonard, J.J.},
      • title = {High-Performance and Tunable Stereo Reconstruction},
      • booktitle = {IEEE International Conference on Robotics and Automation (ICRA)},
      • journal = {IEEE International Conference on Robotics and Automation (ICRA)},
      • year = 2016,
      • pages = {3188--3196},
      • month = may,
      • doi = {10.1109/ICRA.2016.7487488},
      • url = {http://www.merl.com/publications/TR2016-037}
      • }
    •  Yuan, W.; Ramalingam, S., "Fast Localization and Tracking Using Event Sensors", IEEE International Conference on Robotics and Automation (ICRA), DOI: 10.1109/ICRA.2016.7487657, May 2016, pp. 4564-4571.
      BibTeX Download PDFRead TR2016-033
      • @inproceedings{Yuan2016may,
      • author = {Yuan, W. and Ramalingam, S.},
      • title = {Fast Localization and Tracking Using Event Sensors},
      • booktitle = {IEEE International Conference on Robotics and Automation (ICRA)},
      • year = 2016,
      • pages = {4564--4571},
      • month = may,
      • doi = {10.1109/ICRA.2016.7487657},
      • url = {http://www.merl.com/publications/TR2016-033}
      • }
    •  Ataer-Cansizoglu, E.; Taguchi, Y.; Ramalingam, S., "Pinpoint SLAM: A Hybrid of 2D and 3D Simultaneous Localization and Mapping for RGB-D Sensors", IEEE International Conference on Robotics and Automation (ICRA), DOI: 10.1109/ICRA.2016.7487262, May 2016, pp. 1300-1307.
      BibTeX Download PDFRead TR2016-035
      • @inproceedings{Ataer-Cansizoglu2016may,
      • author = {Ataer-Cansizoglu, E. and Taguchi, Y. and Ramalingam, S.},
      • title = {Pinpoint SLAM: A Hybrid of 2D and 3D Simultaneous Localization and Mapping for RGB-D Sensors},
      • booktitle = {IEEE International Conference on Robotics and Automation (ICRA)},
      • year = 2016,
      • pages = {1300--1307},
      • month = may,
      • doi = {10.1109/ICRA.2016.7487262},
      • url = {http://www.merl.com/publications/TR2016-035}
      • }
    •  Soni, N.; Namboodiri, A.; Ramalingam, S.; Jawahar, C.V., "Semantic Classification of Boundaries from an RGBD Image", British Machine Vision Conference (BMVC), DOI: 10.5244/C.29.114, ISBN: 1-901725.53-7, September 2015, pp. 114.1-114.12.
      BibTeX Download PDFRead TR2015-102
      • @inproceedings{Soni2015sep,
      • author = {Soni, N. and Namboodiri, A. and Ramalingam, S. and Jawahar, C.V.},
      • title = {Semantic Classification of Boundaries from an RGBD Image},
      • booktitle = {British Machine Vision Conference (BMVC)},
      • year = 2015,
      • pages = {114.1--114.12},
      • month = sep,
      • doi = {10.5244/C.29.114},
      • isbn = {1-901725.53-7},
      • url = {http://www.merl.com/publications/TR2015-102}
      • }
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  • MERL Issued Patents

    • Title: "Method for Reconstructing a 3D Scene as a 3D Model using Images Acquired by 3D Sensors and Omnidirectional Cameras"
      Inventors: Ramalingam, Srikumar; Taguchi, Yuichi
      Patent No.: 9,460,513
      Issue Date: Oct 4, 2016
    • Title: "Method for Stereo Visual Odometry using Points, Lines and Planes"
      Inventors: Ramalingam, Srikumar; Taguchi, Yuichi; Antunes, Michel G; Urtasun, Raquel
      Patent No.: 9,430,847
      Issue Date: Aug 30, 2016
    • Title: "Tracking Poses of 3D Camera Using Points and Planes"
      Inventors: Taguchi, Yuichi; Ataer-Cansizoglu, Esra; Ramalingam, Srikumar; Garaas, Tyler W
      Patent No.: 9,420,265
      Issue Date: Aug 16, 2016
    • Title: "Method for Estimating Free Space using a Camera System"
      Inventors: Ramalingam, Srikumar; Taguchi, Yuichi
      Patent No.: 9,305,219
      Issue Date: Apr 5, 2016
    • Title: "Method for Fitting Primitive Shapes to 3D Point Clouds Using Distance Fields"
      Inventors: Taguchi, Yuichi; Ramalingam, Srikumar
      Patent No.: 9,208,609
      Issue Date: Dec 8, 2015
    • Title: "Method for Reconstructing 3D Lines from 2D Lines in an Image"
      Inventors: Ramalingam, Srikumar; Brand, Matthew E.
      Patent No.: 9,183,635
      Issue Date: Nov 10, 2015
    • Title: "Method for Registering Points and Planes of 3D Data in Multiple Coordinate Systems"
      Inventors: Taguchi, Yuichi; Ramalingam, Srikumar; Jian, Yong-Dian; Feng, Chen
      Patent No.: 9,183,631
      Issue Date: Nov 10, 2015
    • Title: "Specular Edge Extraction Using Multi-Flash Imaging"
      Inventors: Taguchi, Yuichi; Tuzel, Oncel; Ramalingam, Srikumar
      Patent No.: 8,913,825
      Issue Date: Dec 16, 2014
    • Title: "Voting-Based Pose Estimation for 3D Sensors"
      Inventors: Taguchi, Yuichi; Tuzel, C. Oncel; Ramalingam, Srikumar; Liu, Ming-Yu
      Patent No.: 8,908,913
      Issue Date: Dec 9, 2014
    • Title: "Method and System for Determining Poses of Vehicle-Mounted Cameras for In-Road Obstacle Detection"
      Inventors: Ramalingam, Srikumar; Taguchi, Yuichi; Zhu, Menglong
      Patent No.: 8,831,290
      Issue Date: Sep 9, 2014
    • Title: "Method and System for Determining Projections in Non-Central Catadioptric Optical Systems"
      Inventors: Agrawal, Amit K.; Taguchi, Yuichi; Ramalingam, Srikumar
      Patent No.: 8,630,446
      Issue Date: Jan 14, 2014
    • Title: "Method for Generating Convex Polyhedral Visual Hulls for 3D Objects from Polygonal Silhouettes"
      Inventors: Ramalingam, Srikumar; Agrawal, Amit K.; Taguchi, Yuichi
      Patent No.: 8,605,991
      Issue Date: Dec 10, 2013
    • Title: "Digital Refocusing for Wide-Angle Images Using Axial-Cone Cameras"
      Inventors: Taguchi, Yuichi; Agrawal, Amit K.; Veeraraghavan, Ashok N.; Ramalingam, Srikumar; Raskar, Ramesh N.
      Patent No.: 8,493,432
      Issue Date: Jul 23, 2013
    • Title: "Method for Determining 3D Poses Using Points and Lines"
      Inventors: Ramalingam, Srikumar
      Patent No.: 8,442,305
      Issue Date: May 14, 2013
    • Title: "Method for Segmenting Images Using Superpixels and Entropy Rate Clustering"
      Inventors: Tuzel, C. Oncel; Ramalingam, Srikumar; Liu, Ming-Yu
      Patent No.: 8,428,363
      Issue Date: Apr 23, 2013
    • Title: "Method and System for Localizing in Urban Environments From Omni-Direction Skyline Images"
      Inventors: Ramalingam, Srikumar; Brand, Matthew E.
      Patent No.: 8,311,285
      Issue Date: Nov 13, 2012
    • Title: "Method for Determining a Location From Images Acquired of an Environment with an Omni-Directional Camera"
      Inventors: Ramalingam, Srikumar; Brand, Matthew E.; Bouaziz, Sofien
      Patent No.: 8,249,302
      Issue Date: Aug 21, 2012
    • Title: "Method for Registering 3D Points with 3D Planes"
      Inventors: Ramalingam, Srikumar; Taguchi, Yuichi
      Patent No.: 8,224,071
      Issue Date: Jul 17, 2012
    • Title: "Method and System for Determining Poses of Specular Objects"
      Inventors: Ramalingam, Srikumar; Veeraraghavan, Ashok N.; Taguchi, Yuichi; Tuzel, C. Oncel; Shroff, Nitesh
      Patent No.: 8,165,403
      Issue Date: Apr 24, 2012
    • Title: "Method and System for Determining Projections in Non-Central Catadioptric Optical Systems"
      Inventors: Taguchi, Yuichi; Agrawal, Amit K.; Ramalingam, Srikumar
      Patent No.: 8,134,786
      Issue Date: Mar 13, 2012
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