Method of indexing and searching images of text in video
US6937766B1 · kind B1 · utility
144Cited by
4References
9Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 13, 2000 |
| Grant date | Aug 30, 2005 |
| Priority date | — |
| Expiry date | Apr 13, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V20/62
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for generating an index of the text of a video image sequence is provided. The method includes the steps of determining the image text objects in each of a plurality of frames of the video image sequence; comparing the image text objects in each of the plurality of frames of the video image sequence to obtain a record of frame sequences having matching image text objects; extracting the content for each of the similar image text objects in text string format; and storing the text string for each image text object as a video text object in a retrievable medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.