Patent · US Active

Coding and decoding methods of a picture block, corresponding devices and data stream

US12052432B2 · kind B2 · utility

0Cited by
17References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 17, 2023
Grant dateJul 30, 2024
Priority date
Expiry dateJul 17, 2043

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N21/4384
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A method for decoding a picture block is disclosed. The decoding method comprises: —decoding (10) at least one stream S_diff into decoded data and into one information for identifying a re-constructed reference picture in a decoder picture buffer; —reconstructing (12) a special reference picture from at least the identified reconstructed reference picture and from the decoded data; —reconstructing (16) the picture block from at least the special reference picture, wherein the at least the special reference picture is not displayed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.