The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 24, 1998
Filed:
Feb. 06, 1996
Paul Joseph Panaro, Helmetta, NJ (US);
David Sarnoff Research Center, Inc., Princeton, NJ (US);
Abstract
A bitstream for testing a video decoder that produces visual distortions in the output video images from the decoder whenever the decoder produces an error in decoding the bitstream. Specifically, the bitstream tests a predictive-type video decoder's capability to decode predicted images that do not propagate errors to other images or frames. For example, the bitstream is capable of demonstrating errant decoding of B-frames by an Moving Pictures Experts Group (MPEG) video encoder. A method and apparatus for generating and using the test bitstream is also disclosed.
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