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DIFF Subgroup
H04N 19/169

characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of 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 coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding

Of 11 combined children, 8 exist in both systems.

3 codes are CPC-only extensions.

IPC defines codes here since 2014.

Child Classifications

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  • H04N 19/177 the unit being a group of pictures [GOP] since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/179 the unit being a scene or a shot since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/18 the unit being a set of transform coefficients since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/182 the unit being a pixel since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/184 the unit being bits, e.g. of the compressed video stream since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/186 the unit being a colour or a chrominance component since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/187 the unit being a scalable video layer since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/188 CPC only CPC only
  • H04N 19/1883 CPC only CPC only
  • H04N 19/1887 CPC only CPC only