A real-time pattern selection algorithm for very low bit-rate video coding using relevance and similarity metrics
Very low bit-rate video coding using regularly shaped patterns to represent moving regions in macroblocks has good potential for improved coding efficiency. This paper presents a real-time pattern selection (RTPS) algorithm, which uses a pattern relevance and similarity metric to achieve faster patt...
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| Veröffentlicht in: | IEEE transactions on circuits and systems for video technology 2005-06, Vol.15 (6), p.753-761 |
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| container_title | IEEE transactions on circuits and systems for video technology |
| container_volume | 15 |
| creator | Paul, M. Murshed, M. Dooley, L.S. |
| description | Very low bit-rate video coding using regularly shaped patterns to represent moving regions in macroblocks has good potential for improved coding efficiency. This paper presents a real-time pattern selection (RTPS) algorithm, which uses a pattern relevance and similarity metric to achieve faster pattern selection from a large codebook. For each applicable macroblock, the relevance metric is applied to create a customized pattern codebook (CPC) from which the best pattern is selected using the similarity metric. The CPC size is adapted to facilitate real-time selection. Results prove the quantitative and perceptual performance of RTPS is superior to both the Fixed-8 algorithm and H.263. |
| doi_str_mv | 10.1109/TCSVT.2005.848312 |
| format | Article |
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| identifier | ISSN: 1051-8215 |
| ispartof | IEEE transactions on circuits and systems for video technology, 2005-06, Vol.15 (6), p.753-761 |
| issn | 1051-8215 1558-2205 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Algorithms Applied sciences Australia Bit rate Circuits Coding Exact sciences and technology Image quality Information technology Information, signal and communications theory Miscellaneous Motion compensation Motion estimation Pattern matching Real time Shape Signal processing Similarity Telecommunications and information theory Teleconferencing Video coding Video compression |
| title | A real-time pattern selection algorithm for very low bit-rate video coding using relevance and similarity metrics |
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