Gradient-based noise reduction
US11593918B1 · kind B1 · utility
0Cited by
4References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 2018 |
| Grant date | Feb 28, 2023 |
| Priority date | — |
| Expiry date | May 12, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V10/764
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In one embodiment, a method includes obtaining an image comprising a plurality of pixels, determining, for a particular pixel of the plurality of pixels, a gradient value, classifying, based on the gradient value, the particular pixel into a flat class or one of a plurality of edge classes, and denoising the particular pixel based on the classification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.