Image processing apparatus and method and computer-readable storage medium
US6643405B1 · kind B1 · utility
23Cited by
6References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 29, 1999 |
| Grant date | Nov 4, 2003 |
| Priority date | — |
| Expiry date | Sep 29, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/33357
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
It is an object to obtain compressed image data in which a compression ratio has been recorded. To accomplish it, an image processing method has a first compressing step of compressing by using an input image, a calculating step of calculating a compression ratio for the input image on the basis of a result of the compression in the first compressing step, an embedding step of embedding information indicative of the calculated compression ratio into the input image and a second compressing step of compressing the input image in which the information showing the compression ratio has been recorded in the embedding step.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.