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PCE
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DIFF Subgroup
H04N 19/134

characterised by the element, parameter or criterion affecting or controlling 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 criterion affecting or controlling the adaptive coding

IPC and CPC are identically structured here. All 9 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2014.

Child Classifications

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  • H04N 19/142 Detection of scene cut or scene change since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/154 Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion (use of rate-distortion criteria H04N19/147) since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/156 Availability of hardware or computational resources, e.g. encoding based on power-saving criteria since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/162 User input since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/167 Position within a video image, e.g. region of interest [ROI] since 2014 IPC+CPC Available in IPC and CPC