Unified inverted index for video passage retrieval
US8126897B2 · kind B2 · utility
23Cited by
7References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2009 |
| Grant date | Feb 28, 2012 |
| Priority date | — |
| Expiry date | Apr 23, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/7844
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for information retrieval includes extracting from a video document visual data items and textual data items that occur in the document at respective occurrence times. Indexing records, which index both the visual and the textual data items by their respective occurrence times, are constructed and stored in a memory.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.