H
ELECTRICITY
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H04
ELECTRIC COMMUNICATION TECHNIQUE
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H04N
PICTORIAL COMMUNICATION, e.g. TELEVISION
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19/00
Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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H04N19/169
characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
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H04N19/17
the unit being an image region, e.g. an object
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H04N19/176
the region being a block, e.g. a macroblock
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