Method and apparatus for coding and decoding image data
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United States of America Patent
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Aug 1, 2006
Grant Date -
Mar 6, 2003
app pub date -
May 15, 2002
filing date -
May 15, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A matching processor detects correspondence information between key frames. A judging unit detects motion vectors from the correspondence information to determine variation of a field of view between the key frames. When variation of the field of view is sufficiently large, added information is generated related to the variation of the field of view. A stream generator generates a coded data stream by incorporating the added information. An intermediate image generator (for example, at a decoding side) detects the added information and trims edges of a generated intermediate image to account for the variation in the field of view, so that an unnatural invalidated region is cut out.
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