Patents by Inventor Pal Arpan Dipak Kumar

Pal Arpan Dipak Kumar has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • System and apparatus for evaluating the reliability of a watermarking technique for a video sequence
    Patent number: 8189856
    Abstract: A system and apparatus for evaluating the reliability of a watermarking technique for a video sequence, said system and apparatus comprising: a) a calibrating means adapted to calibrate said system and apparatus using a test original video sequence and a test attacked video sequence in compliance with predetermined degrees of quality; b) an attacking means adapted to attack embedded watermark in said video sequence, said attack selected from a group of attacks; and c) an evaluating means including a comparator means for comparing the test original video sequence with test attacked video sequence and the watermark in the test original video sequence with the watermark in the test attacked video sequence to evaluate the reliability of a watermarking technique to give a reliability score.
    Type: Grant
    Filed: February 5, 2008
    Date of Patent: May 29, 2012
    Assignee: Tata Consultancy Services Ltd.
    Inventors: Chattopadhyay Tanushyam Sibnath, Pal Arpan Dipak Kumar
  • System and apparatus for evaluating the reliability of a watermarking technique for a video sequence
    Publication number: 20080260203
    Abstract: A system and apparatus for evaluating the reliability of a watermarking technique for a video sequence, said system and apparatus comprising: a) a calibrating means adapted to calibrate said system and apparatus using a test original video sequence and a test attacked video sequence in compliance with predetermined degrees of quality; b) an attacking means adapted to attack embedded watermark in said video sequence, said attack selected from a group of attacks; and c) an evaluating means including a comparator means for comparing the test original video sequence with test attacked video sequence and the watermark in the test original video sequence with the watermark in the test attacked video sequence to evaluate the reliability of a watermarking technique to give a reliability score.
    Type: Application
    Filed: February 5, 2008
    Publication date: October 23, 2008
    Inventors: Chattopadhyay Tanushyam Sibnath, Pal Arpan Dipak Kumar