System and method for motion vector generation and analysis of digital video clips
US7072398B2 · kind B2 · utility
50Cited by
6References
10Claims
0Family size
Inventor
Key dates
| Filing date | Nov 2, 2001 |
| Grant date | Jul 4, 2006 |
| Priority date | — |
| Expiry date | Oct 31, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/51
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Given a digital video clip, this invention describes how to efficiently compute the motion vectors and motion trajectory of each identified video object for facilitating various commonly encountered visual applications, such as video compression for transmission and archiving, security and surveillance monitoring, and search-by-query required in the Internet search engine or digital library.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.