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Krishnendu Chaudhury
Works at Google
Attended University of Kentucky
Lives in Saratoga California


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Krishnendu Chaudhury aka Krish Chaudhury

Research Interests: Deep Learning, Machine Learning, Pattern Recognition, Image Processing, Computer Vision, Computer Graphics

Work History
  • Adobe Systems, San Jose, CA, Feb 1996 - Sep 12 2005
    Senior Computer Scientist, ATG (Advanced Technology Group), Acrobat Engineering, PostScript Advanced Development.
  • Keane Inc, Boca Raton, FL, Dec 1993 - Feb 1996
    Senior Consultant (attached to IBM); worked on OS2 Graphics Engine & Presentation Manager
  • University of Kentucky, Lexington, KY, Aug 1993 - Dec 1993
    Instructor, Dept. of Computer Science (taught Intro to Numerical Analysis, Intro to Data Structures & Algorithms)
  • University of Kentucky, Lexington, KY, Aug 1989 - Aug 1993
    Research Assistant, Center for Robotics, University of Kentucky (NASA research projects)
  • PhD, Computer Science University of Kentucky at Lexington, Lexington, KY, USA
    • Dissertation: "Motion Estimation from a sequence of Intensity or Range Images".
List of Selected Patents and Publications
  • "Handheld or Wearable Document Scanner for Google", Krishnendu Chaudhury, Lu Chen, David Petrou, Blaise Aguerra, GP-22700-00-US, Google Patent Application.

  • "Auto-Rectification of User Photos", Krishnendu Chaudhury, Stephen DiVerdi, Sergey Ioffe, proc. of IEEE International Conference on Image Processing, ICIP 2014, Oct 27-30, 2014, Paris.

  • "Automatic Rectification of Distortions in images",  Krishnendu Chaudhury, Stephen Diverdi, US Patent 9064309

  • "Liveness Detection in Face Recognition based Authentication Systems", Krishnendu Chaudhury, Avani Devarasetty,  U.S Patent US8856541.
  • Automatic extraction of character groundtruth data from images”, Alessandro Bissacco, Krishnendu Chaudhury,  U. S. Patent 8755595.


  • "Segmenting Printed Media Pages into Articles", Krishnendu Chaudhury, A. Jain & S. Thirthala, U.S Patent 8290268, Google


  • "Identifying a Front Page in Media Material", Krishnendu Chaudhury et al, U.S Patent 8218913, Google


  • "Method and Apparatus for Enhancing Object Boundary Precision in Images", Krishnendu Chaudhury, Ashutosh Kulshreshtha, U.S patent 07813582,  Google.


  • “Digital Image Archiving in Mobile Device System”, Krishnendu Chaudhury, Ashutosh Garg, Arvind Saraf, Prasenjit Phukan, U.S Patent 7986843,  Google.



  • A Cubic B Spline Intensity Re-sampling Based  Method for Automatic Image Feature Embedding”, Krish Chaudhury, Dejan Markovic,  U.S. Patent 7734118Adobe Systems.


  • “Scaling of Raster Images without Edge Blurring”, Krish Chaudhury, Dejan Markovic, U.S.  Patent 7817871Adobe Systems.


  • "Author Signature for Legal Purposes", Jim Pravetz, Krish Chaudhury, Sunil Agrawal, U.S.  Patent 7774608, Adobe Systems).


  • "Document Modification Detection and Prevention", Krish Chaudhury, Jim Pravetz, Sunil Agrawal, U.S.  Patent 7735144, Adobe Systems.


  • "Document Digest Allowing Selective Changes to a PDF Document", Krish Chaudhury, Jim Pravetz, International Patent,  Adobe Systems, PCT/US2004/015116).


  • "Dynamic Enabling of Functionality in Electronic Document Readers", Krish Chaudhury, Jim Pravetz, U.S.  Patent 7278168, Adobe Systems.


  • "Detecting 3D Motion Field from Range Image Sequence", Krishnendu Chaudhury, R. Mehrotra, Cid Srinivasan, IEEE Transactions on Systems, Man, and Cybernetics journal, vol. 29,  No. 2, April 1999 (Detecting3DMotionFieldFromRangeImageSequence.pdf).

  • "A Trajectory based Computational Model for Optical Flow Computation", Krishnendu Chaudhury, R. Mehrotra, IEEE Transactions on Robotics and Automation journal, pp. 733-741, vol. 11, No. 5, Oct 1995 (TrajectoryBasedOpticalFlow_ChaudhuryMehrotra.pdf).


  • "Optical Flow Estimation using Smoothness of Intensity Trajectories", Krishnendu Chaudhury, R. Mehrotra, CVGIP: Image Understanding journal, pp. 230-244, vol. 60, No. 2, September, 1994.


  • "Detecting 3D Flow", Krishnendu Chaudhury, R. Mehrotra, International Conference on Robotics and Automation, San Diego, California, May 8-13, 1994.


  • Optical Flow from an  Extended Frame Sequence, Krishnendu Chaudhury, R. Mehrotra, International Conference on Robotics and Automation, Atlanta, Georgia, May 2-7, 1993.


  • A Parallel Algorithm for 3D Point Pattern Matching, Krishnendu Chaudhury, R. Mehrotra, IEEE International Conference on Systems, Man and Cybernetics, Charlottesville, Virginia, Oct. 13-16 1991.


  • Loss and Gain of Optical Couplers with Collision Detection for CSMA/CD based LANs, A. Das, Krishnendu Chaudhury, IEEE International Conference on Communication Systems, ICCS-89, Singapore, Oct. 12-16, 1989  


Other Interests

  • Playing with my daughter, sitting in the kitchen with the whole family
  • Mathematics
  • Tennis


Bragging rights
I can defeat my cellphone in kickboxing
  • University of Kentucky
    PhD, Computer Science
Basic Information