Apparatus and method for coding/decoding scalable shape binary image, using mode of lower and current layers
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United States of America Patent
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Jun 17, 2003
Issued Date -
N/A
app pub date -
Jul 11, 2001
filing date -
Jul 9, 1997
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Abstract
All macro blocks (MB) decided as an 'all_0', 'all_255' or 'intra predicted' mode are transmitted as an 'intra not coded' mode. A receiving terminal also separates 'all_0', 'all_255' and 'intra predicted' from the 'intra not coded' mode, referring to pixels of a lower layer. 'Inter coded && MVD=0' and 'Inter coded && MVD!=0' modes are represented as 'Inter coded', and 'Inter not coded && MVD=0' and 'Inter not coded && MVD!=0' modes are represented as 'Inter not coded'. As its result, coding modes on an I-picture can be reduced to two modes and coding modes on a P-picture, or a B-picture, can be lessened to four modes.
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