Method and device for generating a description file, and corresponding streaming method
US9628533B2 · kind B2 · utility
3Cited by
5References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2013 |
| Grant date | Apr 18, 2017 |
| Priority date | — |
| Expiry date | Mar 10, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/33
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a method and device for generating a description file about a video sequence at a server device for a client device, to retrieve a video segment and containing a region of interest. The method comprising for each video segment, determining a time interval during which the detected region of interest is spatially included in a same frame region in the video sequence; and generating a description file comprising spatial information describing the frame region and temporal information describing a duration at least equal to the determined time interval.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.