Apparatus for encoding and decoding header data in picture signal transmission
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United States of America Patent
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Apr 17, 2012
Grant Date -
Mar 29, 2012
app pub date -
Nov 29, 2011
filing date -
Jan 18, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A picture decoding method and apparatus for decoding a bit stream, the bit stream being compatible with MPEG 1 moving picture video standard. The method includes receiving, via an input terminal, from the bit stream that includes extension data added in a header of a picture layer of the bit stream when the header includes control data newly added in MPEG 2 standard format, a picture coding type and the extension data of an anterior header of the picture layer. The bit stream in the picture layer is decoded using the picture coding type and the extension data of an anterior header of the picture layer when an extension start code indicating the beginning of the extension data of the current header is not received from the bit stream.
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