Segmentation for video coding using predictive benefit
US8396127B1 · kind B1 · utility
21Cited by
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20Claims
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Key dates
| Filing date | Jun 27, 2012 |
| Grant date | Mar 12, 2013 |
| Priority date | — |
| Expiry date | Jun 27, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/61
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A frame of a video stream is segmented based on its ability to predict the contents of one or more temporally nearby frames. Predictive ability can be measured by comparing the magnitude of the error per block of a video for intra-frame prediction with inter-frame prediction. Segments can be determined by grouping similar error magnitudes together when the frame is a good predictor for the nearby frames. Coding parameters can be defined at the segment level to reduce the number of bits used to represent the encoded video stream and thereby reduce network and/or storage bandwidth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.