Method for encoding color images
US5070532A · kind A · utility
29Cited by
27References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 1990 |
| Grant date | Dec 3, 1991 |
| Priority date | — |
| Expiry date | Sep 26, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T9/001
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Color image information is encoded by grouping together adjacent pixels into blocks, determining which one of several templates each block most closely approximates, and encoding each block in accordance with the rules for a particular template. Data compression without loss of image quality results because the encoding rules for each template ignore irrelevant or duplicative information, thereby saving space for information that is important.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.