Identification of a graphical symbol by identifying its constituent contiguous pixel groups as characters
US8023725B2 · kind B2 · utility
6Cited by
8References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 12, 2007 |
| Grant date | Sep 20, 2011 |
| Priority date | — |
| Expiry date | Jul 20, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V30/10
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for identifying a predefined graphic symbol having a plurality of graphical characters. The method comprises the following steps: a) receiving a digital image having a plurality of pixels depicting a scene, b) identifying a plurality of first groups of contiguous pixels in the proximity of one another, members of each one the first group having a first common pixel defining property, and c) identifying at least one of the plurality of first groups as one of the plurality of graphical characters, thereby detecting the predefined graphic symbol in the digital image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.