Movement estimation method and system for high definition digital television frames
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United States of America Patent
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Sep 14, 1993
Grant Date -
N/A
app pub date -
Mar 19, 1991
filing date -
Mar 20, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A movement estimation method and system are disclosed for high definition digital television frames. The movement is estimated for a current block Bc of the even fields T.sub.2k, 2r-1 of the uneven frames with which n movement vectors are associated, with the current block Bc of the even fields T.sub.2k, 2r of the even frames there is associated, by relative addressing, a movement vector with respect to s vectors of the preceding frame I.sub.2r-1 surrounding the frame B'c of the current block Bc. The s vectors are chosen by eliminating the vector redundancies among the n vectors. The invention is applicable to broadcasting and transmission of digital television signals by HD-MAC or HD-MAC NB narrow band channel.
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