Method of evaluating the quality of images
US10529065B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 26, 2018 |
| Grant date | Jan 7, 2020 |
| Priority date | — |
| Expiry date | May 7, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V20/625
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention discloses a method of evaluating image quality taken in an actual scene, the method comprising: providing a test chart placed in an actual scene, said test chart comprising a plurality of positioning patterns and a plurality of quality test patterns; capturing an image of the test chart in the actual scene; searching the plurality of positioning patterns in the image of the test chart to locate the orientation of the image of the test chart; and identifying the plurality of quality test patterns in the located image of the test chart and evaluating the image quality of the plurality of quality test patterns.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.