DIFF Subgroup
H04N 19/64 characterised by ordering of coefficients or of bits for transmission
Introduced: January 2014
Full Title
Methods or arrangements for coding, decoding, compressing or decompressing digital video signals > using transform coding > using sub-band based transform, e.g. wavelets > characterised by ordering of coefficients or of bits for transmission
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 2014.
Child Classifications
Navigate with arrow keys, Enter to open
- H04N 19/645 by grouping of coefficients into blocks after the transform since 2014 IPC+CPC Available in IPC and CPC