DIFF Subgroup
H04N 19/85 using pre-processing or post-processing specially adapted for video compression
Introduced: January 2014
Full Title
Methods or arrangements for coding, decoding, compressing or decompressing digital video signals > using pre-processing or post-processing specially adapted for video compression
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
IPC defines codes here since 2014.
Child Classifications
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- H04N 19/86 involving reduction of coding artifacts, e.g. of blockiness since 2014 +1 CPC IPC+CPC Available in IPC and CPC
- H04N 19/87 involving scene cut or scene change detection in combination with video compression since 2014 IPC+CPC Available in IPC and CPC
- H04N 19/88 involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks since 2014 IPC+CPC Available in IPC and CPC
- H04N 19/89 involving methods or arrangements for detection of transmission errors at the decoder since 2014 IPC+CPC Available in IPC and CPC