Coding efficiency improvements beyond HEVC with known tools
2015
In this paper, several coding tools are evaluated on top of the HEVC version 1. Among them there are straightforward extension of HEVC coding tools (such as Coding Unit size enlarging, fine granularity of Intra prediction angles) and algorithms that have been studied during HEVC development (such as secondary transform, multi-hypothesis CABAC, multi-parameter Intra prediction, bidirectional optical flow). Most of them improve performance of Intra coding. Minor adjustment to the final version of HEVC standard was done for efficient harmonization of the proposed coding tools with HEVC. Performance improvement observed from investigated tools is up to 7,1%, 9,9%, 4,5% and 5,7% in all-intra, random access, low-delay B and low-delay P test scenario (using HEVC common test conditions).
Keywords:
- Computer vision
- Artificial intelligence
- Parallel computing
- Algorithmic efficiency
- Context-adaptive binary arithmetic coding
- Theoretical computer science
- Computer science
- Scenario testing
- Coding (social sciences)
- Granularity
- Optical flow
- Performance improvement
- Computer engineering
- Random access
- Real-time computing
- Correction
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- Cite
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