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DIFF Subgroup
H04N 19/20

using video object coding

Introduced: January 2014

Full Title

Methods or arrangements for coding, decoding, compressing or decompressing digital video signals > using video object coding

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

IPC defines codes here since 2014.

Child Classifications

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  • H04N 19/21 with binary alpha-plane coding for video objects, e.g. context-based arithmetic encoding [CAE] since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/23 with coding of regions that are present throughout a whole video segment, e.g. sprites, background or mosaic since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/25 with scene description coding, e.g. binary format for scenes [BIFS] compression since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/27 involving both synthetic and natural picture components, e.g. synthetic natural hybrid coding [SNHC] since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/29 involving scalability at the object level, e.g. video object layer [VOL] since 2014 IPC+CPC Available in IPC and CPC