Matching of modified visual and audio media
US8145656B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 4, 2007 |
| Grant date | Mar 27, 2012 |
| Priority date | — |
| Expiry date | Feb 28, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/913
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for matching media objects includes receiving a plurality of reference objects, and computing respective reference feature vectors (104, 106) of one or more of the reference image frames (86, 88) in each of the reference objects. Upon receiving a query object, a respective query feature vector (110) of at least one of the query image frames is computed. The reference feature vectors are searched to find one or more candidate objects among the reference objects, such that a respective reference feature vector of one of the reference image frames in each of the one or more candidate objects matches the query feature vector. At least one additional reference image frame is compared to at least one additional query image frame in order to determine that one of the candidate objects is a match for the query object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.