Novel Case-Table-Searching algorithms for optimizing intra prediction 4x4

RealVideo9 is one of the most popular video formats on the Internet, so it is necessary for multi-media chip developers to support this format. But it is quite a great challenge for them because of the difficulty in its real-time implementation. In order to realize real-time decoding on CC1100, this...

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Main Authors: Jirui Yuan, Chao Guo, Lijian Zou
Format: Conference Proceeding
Language:English
Subjects:
Algorithm design and analysis
Bit rate
Chaos
Decoding
Internet
Prediction algorithms
Standards development
Video coding
Video compression
Video sharing
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Chao Guo
Lijian Zou
description RealVideo9 is one of the most popular video formats on the Internet, so it is necessary for multi-media chip developers to support this format. But it is quite a great challenge for them because of the difficulty in its real-time implementation. In order to realize real-time decoding on CC1100, this paper proposes a series of novel case-table-searching algorithms focusing on the optimization of RealVideo9 intra prediction 4 times 4, which also supports extended utilization in H.264 intra prediction 4 times 4. The proposed Algorithm 1 is designed to save the CPU cycles exhausted by each pixel prediction mode while Algorithm 2 is to remove the judgments used in the phase of data preparation. Experimental results show significant improvement in terms of both average CPU performance and the worst case.
doi_str_mv 10.1109/ICOSP.2008.4697758
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subjects Algorithm design and analysis
Bit rate
Chaos
Decoding
Internet
Prediction algorithms
Standards development
Video coding
Video compression
Video sharing
title Novel Case-Table-Searching algorithms for optimizing intra prediction 4x4
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