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DIFF Subgroup
H04N 19/124

Quantisation

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 > Quantisation

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 2014.

Child Classifications

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  • H04N 19/126 Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers since 2014 IPC+CPC Available in IPC and CPC