System and method for detecting text in real-world color images
US7817855B2 · kind B2 · utility
30Cited by
4References
20Claims
0Family size
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Key dates
| Filing date | Sep 5, 2006 |
| Grant date | Oct 19, 2010 |
| Priority date | — |
| Expiry date | Aug 19, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V30/10
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for detecting text in real-world images comprises calculating a cascade of classifiers, the cascade comprising a plurality of stages, each stage including one or more weak classifiers, the plurality of stages organized to start out with classifiers that are most useful for ruling out non-text regions, and removing regions classified as non-text regions from the cascade prior to completion of the cascade, to further speed up processing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.