Multimedia event detection and summarization
US7409407B2 · kind B2 · utility
8Cited by
1References
11Claims
0Family size
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Key dates
| Filing date | May 7, 2004 |
| Grant date | Aug 5, 2008 |
| Priority date | — |
| Expiry date | Jul 1, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99945
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method detects events in multimedia. Features are extracted from the multimedia. The features are sampled using a sliding window to obtain samples. A context model is constructed for each sample. An affinity matrix is determined from the models and a commutative distance metric between each pair of context models. A second generation eigenvector is determined for the affinity matrix, and the samples are then clustered into events according to the second generation eigenvector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.