Method for reversibly transforming data format, image processing apparatus, program for reversibly transforming data format, and computer-readable recording medium thereof
US7394470B2 · kind B2 · utility
16Cited by
6References
19Claims
0Family size
Assignee
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Key dates
| Filing date | Jan 22, 2004 |
| Grant date | Jul 1, 2008 |
| Priority date | — |
| Expiry date | Mar 25, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/67
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a method for reversibly transforming a data format, a forward transformation and a backward transformation are reciprocally conducted for data between unit systems having different resolution levels, and the forward transformation and the backward transformation, a first unit system having a lower resolution level is used as a common unit system, and a reversible data conversion is conducted by an integer operation for data in the first unit system having the lower resolution level and data in a second unit system having a higher resolution level higher than the first unit system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.