Image exposure performance improvements for recognition of optical patterns
US11403477B1 · kind B1 · utility
4Cited by
60References
20Claims
0Family size
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Key dates
| Filing date | Aug 6, 2021 |
| Grant date | Aug 2, 2022 |
| Priority date | — |
| Expiry date | Aug 6, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/144
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical pattern is decoded in a scene. An automatic exposure feature of a camera is disabled. A first image is acquired and the optical pattern is detected in the first image. An exposure of the optical pattern in the first image is ascertained. At least one parameter of the camera is modified based on the exposure of the optical pattern. A second image is acquired using the modified parameter. The optical pattern in decoded in the second image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.