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DIFF Subgroup
H04N 19/90

using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals

Introduced: January 2014

Title

Titles differ between systems:

IPC: using coding techniques not provided for in groups , e.g. fractals

CPC: using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals

Full Title

Full titles differ between systems:

IPC:

Methods or arrangements for coding, decoding, compressing or decompressing digital video signals > using coding techniques not provided for in groups , e.g. fractals

CPC:

Methods or arrangements for coding, decoding, compressing or decompressing digital video signals > using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals

Of 7 combined children, 6 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 2014.

Child Classifications

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  • H04N 19/91 Entropy coding, e.g. variable length coding [VLC] or arithmetic coding since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/93 Run-length coding since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/94 Vector quantisation since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/96 Tree coding, e.g. quad-tree coding since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/97 Matching pursuit coding since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/98 Adaptive-dynamic-range coding [ADRC] since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/99 CPC only CPC only