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DIFF Subgroup
H04N 19/119

Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks

Introduced: January 2014

Title

Titles differ between systems:

IPC: Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks

CPC: Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks

Full Title

Full titles differ between systems:

IPC:

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 > Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks

CPC:

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 > Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks

Additional Content IPC

Macroblock macroblocks A MPEG coding unit including 16 x 16 pixels subdivided into four 8 x 8 blocks.

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

Class H04,2013–2023, worldwide · Source: EPO PATSTAT

  1. QUALCOMM US 97,396
  2. HUAWEI TECHNOLOGIES COMPANY CN 96,502
  3. SAMSUNG ELECTRONICS COMPANY KR 86,981
  4. TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 55,869
  5. HUAWEI TECHNOLOGIES COMPANY 55,349
  6. LG ELECTRONICS KR 53,649
  7. CANON 33,341
  8. SONY CORPORATION JP 32,761
  9. ZTE CORPORATION CN 32,274
  10. GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 28,327

Top Applicants (CPC)

Class H04,2013–2023, worldwide · Source: EPO PATSTAT

  1. HUAWEI TECHNOLOGIES COMPANY CN 101,476
  2. QUALCOMM US 101,139
  3. SAMSUNG ELECTRONICS COMPANY KR 96,655
  4. TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 57,744
  5. LG ELECTRONICS KR 55,253
  6. HUAWEI TECHNOLOGIES COMPANY 54,181
  7. SONY CORPORATION JP 35,309
  8. ZTE CORPORATION CN 32,950
  9. INTEL CORPORATION US 27,533
  10. GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION CN 27,498