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A fast thumbnail extraction method in H.264/AVC video streams | IEEE Journals & Magazine | IEEE Xplore

A fast thumbnail extraction method in H.264/AVC video streams


Abstract:

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...Show More

Abstract:

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%.
Published in: IEEE Transactions on Consumer Electronics ( Volume: 55, Issue: 3, August 2009)
Page(s): 1424 - 1430
Date of Publication: 09 October 2009

ISSN Information:


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