Abstract:In this paper, we propose a partial decoding method with limited memory usage for high-speed thumbnail extraction. The proposed method performs a partial inverse transform and a partial intra prediction in order to reconstruct pixels for intra prediction and thumbnails. Thereafter, the reconstructed pixels at the bottom and right line of the block are stored in the line buffer and the thumbnail buffer without being stored in the decoded picture buffer with full resolution. H.264/AVC, HEVC and VP9 video codecs … Show more
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