Method and apparatus for image correction
US9569820B2 · kind B2 · utility
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12References
19Claims
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Key dates
| Filing date | Jan 2, 2014 |
| Grant date | Feb 14, 2017 |
| Priority date | — |
| Expiry date | Oct 6, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/20064
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Image correcting methods and apparatuses for removing speckles from an image are provided. The image correcting method includes selecting a first region in an image; removing a speckle from a second region except for the first region from the image by using image information at a predetermined frequency band in the image; and increasing a contrast level of the first region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.