A fast thumbnail extraction method in H.264/AVC video streams
In this paper, we propose a theoretical method for extracting a thumbnail directly from an H.264/AVC intra frame in the frequency domain. Furthermore, the proposed scheme can extract the thumbnail very fast since all operations are directly applied to transformed coefficients and a lookup table (LUT...
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| Veröffentlicht in: | IEEE transactions on consumer electronics 2009-08, Vol.55 (3), p.1424-1430 |
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| container_title | IEEE transactions on consumer electronics |
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| creator | Kim, Eun-Seok Um, Tae-Woong Oh, Seoung-Jun |
| description | In this paper, we propose a theoretical method for extracting a thumbnail directly from an H.264/AVC intra frame in the frequency domain. Furthermore, the proposed scheme can extract the thumbnail very fast since all operations are directly applied to transformed coefficients and a lookup table (LUT) for each intra mode is used for this scheme. Through performance evaluation, while the subjective quality difference between our scheme and a conventional method is negligible, the former can extract the thumbnail faster than the latter by up to 63%. |
| doi_str_mv | 10.1109/TCE.2009.5278009 |
| format | Article |
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| identifier | ISSN: 0098-3063 |
| ispartof | IEEE transactions on consumer electronics, 2009-08, Vol.55 (3), p.1424-1430 |
| issn | 0098-3063 1558-4127 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_36316471 |
| source | IEEE Electronic Library (IEL) |
| subjects | Automatic voltage control Data mining Discrete cosine transforms Electronics Equations Extraction Frames Frequency domain analysis Frequency domains H.264/AVC Image coding intra frame Lookup tables Performance evaluation Streaming media Streams Table lookup Thumbnail Transform coding Video compression |
| title | A fast thumbnail extraction method in H.264/AVC video streams |
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