Method and apparatus for recognizing video sequences
US6633651B1 · kind B1 · utility
93Cited by
6References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 1, 1999 |
| Grant date | Oct 14, 2003 |
| Priority date | — |
| Expiry date | Nov 1, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04H2201/90
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method of detecting video sequences involves creating on-the-fly candidate digital signatures uniquely characteristic of successive groups of frames in accordance with a predetermined algorithm. The candidate digital signatures are compared with at least one signature of a stored sequence created in accordance with the predetermined algorithm. A candidate is identified as corresponding to the stored sequence in the event of a positive match.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.