Method and device of compressing digital image data
US6647143B1 · kind B1 · utility
7Cited by
6References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 22, 2000 |
| Grant date | Nov 11, 2003 |
| Priority date | — |
| Expiry date | Mar 5, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/64
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and device of compressing a digital image are provided. The method firstly divide pixels in the image into entries, then representative color information of the entries are determined and the entries are rearranged in order of the information. Herein, the rearranged entries are grouped into some group entries, and average color information is determined for each group entry. Finally, location information and the average color information of the entries are stored as compressed image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.