New PDF release: Advances in Multimedia Modeling: 17th International

By Ling Shao, Hui Zhang, Yan Liu (auth.), Kuo-Tien Lee, Wen-Hsiang Tsai, Hong-Yuan Mark Liao, Tsuhan Chen, Jun-Wei Hsieh, Chien-Cheng Tseng (eds.)

ISBN-10: 3642178316

ISBN-13: 9783642178313

This two-volume complaints constitutes the refereed papers of the seventeenth foreign Multimedia Modeling convention, MMM 2011, held in Taipei, Taiwan, in January 2011. The fifty one revised normal papers, 25 unique consultation papers, 21 poster consultation papers, and three demo consultation papers, have been conscientiously reviewed and chosen from 450 submissions. The papers are prepared in topical sections on audio, photograph video processing, coding and compression; media content material searching and retrieval; multi-camera, multi-view, and 3D platforms; multimedia indexing and mining; multimedia content material research; multimedia sign processing and communications; and multimedia functions. The designated consultation papers care for content material research for human-centered multimedia purposes; huge scale wealthy media information administration; multimedia figuring out for patron electronics; snapshot item reputation and compression; and interactive photo and video search.

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Extra resources for Advances in Multimedia Modeling: 17th International Multimedia Modeling Conference, MMM 2011, Taipei, Taiwan, January 5-7, 2011, Proceedings, Part I

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Section 2 presents our algorithm and the implementation steps. The experimental results and discussions are shown in Section 3. Finally, we give conclusion in Section 4. 1 Problem Analysis The most common way which uses a fixed quantizer is based on a simple hypothesis: the D-Q characteristics are nearly the same within a frame. Obviously, it does not fit in most cases because D-Q characteristics are source dependent, or content dependent. Fig. 1 is an example where a fixed QP is assigned to each macroblock.

264/AVC, the characteristics of the obtained sequences differ from former video coding standards. Although several algorithms working on this new standard are already proposed, the presence of IDR frames can still lead to a low accuracy for abrupt transitions. To solve this issue, we present the motion-compensated intra partitioning map which relies on the intra partitioning modes and the motion vectors present in the compressed video stream. Experimental results show that this motion-compensated map achieves a high accuracy and exceeds related work.

4] used the sub-sampled resolution for the RD cost function and applied the context-based most probable modes table to skip unlikely candidate modes, and then the encoding time was reduced by about 50%. Pan et al. [5] used the Sobel operator to detect edge angles of 4x4 blocks and 16x16 macroblocks, and this fast algorithm reduced candidate modes to save computations and the encoding time. Cheng et al. [6] proposed the three-step fast algorithm to simplify the cost generation and the mode decision.

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Advances in Multimedia Modeling: 17th International Multimedia Modeling Conference, MMM 2011, Taipei, Taiwan, January 5-7, 2011, Proceedings, Part I by Ling Shao, Hui Zhang, Yan Liu (auth.), Kuo-Tien Lee, Wen-Hsiang Tsai, Hong-Yuan Mark Liao, Tsuhan Chen, Jun-Wei Hsieh, Chien-Cheng Tseng (eds.)


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