Method and apparatus for transmitting a compressed picture signal by using different encoding techniques for portions of each frame
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United States of America Patent
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Aug 13, 1991
Grant Date -
N/A
app pub date -
Aug 13, 1990
filing date -
Aug 15, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Intraframe coding and interframe coding are selectively employed for generating a compressed digital video frame in order to record a motion video signal on a small capacity recording medium such as a CD ROM. Motion compensation is also employed for effective compression, and motion compensation in only one direction is applied to an area of the frame in which interframe coding is applied that corresponds to an area of a previous frame in which the intraframe coding was applied.
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