Transformation of image signals corresponding to virtual viewpoints, e.g. spatial image interpolation

Introduced: January 2018

Full Title

Full titles differ between systems:

IPC:

Stereoscopic video systems; Multi-view video systems; Details thereof > Processing, recording or transmission of stereoscopic or multi-view image signals > Processing image signals > Transformation of image signals corresponding to virtual viewpoints, e.g. spatial image interpolation

CPC:

Stereoscopic video systems; Multi-view video systems; Details thereof > Processing, recording or transmission of stereoscopic or multi-view image signals > Processing image signals (for multi-view video sequence encoding H04N19/597) > Transformation of image signals corresponding to virtual viewpoints, e.g. spatial image interpolation

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

IPC defines codes here since 2018.

Child Classifications

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H04N 13/117 the virtual viewpoint locations being selected by the viewers or determined by viewer tracking since 2018 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

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

Top Applicants (CPC)

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

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