Untitled record
Abstract
A decoder for decoding a video from a data stream into which horizontal and vertical components of motion vector differences are coded using binarizations of the horizontal and vertical components is described, the binarizations equaling a truncated unary code of the horizontal and vertical components, respectively, within a first interval of the domain of the horizontal and vertical components below a cutoff value, and a combination of a prefix in form of the truncated unary code for the cutoff value and a suffix in form of a Exp-Golomb code of the horizontal and vertical components, respectively, within a second interval of the domain of the horizontal and vertical components inclusive and above the cutoff value, wherein the cutoff value is two and the Exp-GoIomb code has order one. An entropy decoder is configured to, for the horizontal and vertical components of the motion vector differences, derive the truncated unary code from the data stream using context-adaptive binary entropy decoding with exactly one context per bin position of the truncated unary code, which is common for the horizontal and vertical components of the motion vector differences, and the Exp-Golomb code using a constant equi-probability bypass mode to obtain the binarizations of the motion vector differences. A desymbolizer is configured to debinarize the binarizations of the motion vector difference syntax elements to obtain integer values of the horizontal and vertical components of the motion vector differences; A reconstructor is configured to reconstruct the video based on the integer values of the horizontal and vertical components of the motion vector differences.
Term
No projected expiry on record.
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Every citation, both ways
| Document | Relation | Office |
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| US20050038837A1 | Cites | United States of America |
451 members in 32 offices
Priority claims2
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|---|---|---|---|
| 61497794 | United States of America | – | |
| 61508506 | United States of America | – |
Members451
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Numbers
- Publication
- 4729
- Publication, DOCDB
- 4729
- Application
- 2016009618
- Application, DOCDB
- 2016009618
Titles
- English
- ENTROPY CODING OF MOTION VECTOR DIFFERENCES
Classification
- IPC, 3
- H04N7 26
- H03M7 42
- H04N7 50