• All sections
• H - Electricity
• H04N - Pictorial communication, e.g. television
• H04N 19/172 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field

Patent holdings for IPC class H04N 19/172

Total number of patents in this class: 6431

10-year publication summary

Principal owners for this class