Top palette colors selection using sorting for palette mode in video encoding
US11575916B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Oct 30, 2020 |
| Grant date | Feb 7, 2023 |
| Priority date | — |
| Expiry date | Oct 30, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/593
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An encoding method is provided which includes receiving a plurality of images, obtaining values of elements in a portion of the images, sorting the elements according to different values of the elements, sorting the elements according to a number of occurrences of the different values and encoding the elements using a subset of the different values having corresponding numbers of occurrences that are higher than corresponding numbers of occurrences of other values. Examples also include a processing device and method for use with palette mode encoding in which the elements are a portion of pixels in images and the values are color values of the portion of pixels in the images.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.