Using order value for processing a video picture

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United States of America Patent

PATENT NO 7292636
APP PUB NO 20040240557A1
SERIAL NO

10792669

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Abstract

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A method and apparatus for variable accuracy inter-picture timing specification for digital video encoding is disclosed. Specifically, the present invention discloses a system that allows the relative timing of nearby video pictures to be encoded in a very efficient manner. In one embodiment, the display time difference between a current video picture and a nearby video picture is determined. The display time difference is then encoded into a digital representation of the video picture. In a preferred embodiment, the nearby video picture is the most recently transmitted stored picture. For coding efficiency, the display time difference may be encoded using a variable length coding system or arithmetic coding. In an alternate embodiment, the display time difference is encoded as a power of two to reduce the number of bits transmitted.

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Patent Owner(s)

Patent OwnerAddress
APPLE INC1 INFINITE LOOP CUPERTINO CA 95014

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dumitras, Adriana Sunnyvale, CA 101 2474
Haskell, Barin Geoffry Mountain View, CA 167 4597
Puri, Atul Cupertino, CA 242 6730
Singer, David William San Francisco, CA 64 1771

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