Patent classifications
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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H04N19/63
using sub-band based transform, e.g. wavelets
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H04N19/64
characterised by ordering of coefficients or of bits for transmission
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H04N19/645
by grouping of coefficients into blocks after the transform
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