IPC 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
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- PICTORIAL COMMUNICATION, e.g. TELEVISION
9 direct subcodes
Child Classifications
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- H04N 19/136 Incoming video signal characteristics or properties
- H04N 19/142 Detection of scene cut or scene change
- H04N 19/146 Data rate or code amount at the encoder output
- H04N 19/154 Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
- H04N 19/156 Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
- H04N 19/157 Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N 19/162 User input
- H04N 19/164 Feedback from the receiver or from the transmission channel
- H04N 19/167 Position within a video image, e.g. region of interest [ROI]
Top Applicants
Top 10 applicants by patent filingsfor 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