Image correction apparatus, method and medium
US9022576B2 · kind B2 · utility
3Cited by
2References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 9, 2007 |
| Grant date | May 5, 2015 |
| Priority date | — |
| Expiry date | Apr 1, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/3194
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image correction apparatus, method and medium which can perform color component correction and geometric correction using the property of a projector projecting light of a plurality of color components of an input image at different times is provided. The image correction method includes sequentially projecting light of a plurality of color components of an input image onto a projection surface at different times, acquiring color components of the projected light, and correcting the input image by comparing the acquired color components with the color components of the input image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.