Image processing apparatus, image processing method, and non-transitory computer-readable storage medium for extracting information embedded in a printed material
US9569831B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 3, 2015 |
| Grant date | Feb 14, 2017 |
| Priority date | — |
| Expiry date | Sep 3, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30168
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A plurality of images obtained by capturing, dividing over a plurality of times, a printed material in which additional information is embedded are input. Feature information concerning each of the inputted plurality of images is extracted. A poor quality area in the images is evaluated. An overlapping area of the plurality of images is specified based on the feature information. Additional information embedded in the printed material is extracted based on a result of the evaluating and a result of the specifying.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.