CPC Subgroup
H04N 19/60 using transform coding
Full Title
Methods or arrangements for coding, decoding, compressing or decompressing digital video signals > using transform coding
5 direct subcodes
Child Classifications
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- H04N 19/61 in combination with predictive coding
- H04N 19/62 by frequency transforming in three dimensions [3D] (H04N19/63 takes precedence)
- H04N 19/625 using discrete cosine transform [DCT]
- H04N 19/63 using sub-band based transform, e.g. wavelets