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DIFF Subgroup
H04N 19/102

characterised by the element, parameter or selection affected or controlled by the adaptive coding

Introduced: January 2014

Full Title

Methods or arrangements for coding, decoding, compressing or decompressing digital video signals > using adaptive coding > characterised by the element, parameter or selection affected or controlled by the adaptive coding

IPC and CPC are identically structured here. All 10 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2014.

Child Classifications

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  • H04N 19/115 Selection of the code volume for a coding unit prior to coding since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/117 Filters, e.g. for pre-processing or post-processing (sub-band filter banks H04N19/635) since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/119 Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/127 Prioritisation of hardware or computational resources since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/129 Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO] since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/13 Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC] since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/132 Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking since 2014 IPC+CPC Available in IPC and CPC