Advances in Multimedia Information Processing - PCM 2008: - download pdf or read online

By Jozef à korupa, Jürgen Slowack, Stefaan Mys, Peter Lambert, Rik Van de Walle (auth.), Yueh-Min Ray Huang, Changsheng Xu, Kuo-Sheng Cheng, Jar-Ferr Kevin Yang, M. N. S. Swamy, Shipeng Li, Jen-Wen Ding (eds.)

This publication constitutes the refereed complaints of the ninth Pacific Rim convention on Multimedia, PCM 2008, held in Tainan, Taiwan, in December 2008.

The seventy nine revised complete papers and 39 revised poster offered have been rigorously reviewed and chosen from 210 submissions. The papers are geared up in topical sections on subsequent iteration video coding strategies, audio processing and category, interactive multimedia platforms, advances in H.264/AVC, multimedia networking ideas, complex photograph processing strategies, video research and its purposes, photograph detection and category, visible and spatial analyses, multimedia human machine interfaces, multimedia safeguard and DRM, complicated photograph and video processing, multimedia database and retrieval, multimedia administration and authoring, multimedia personalization, multimedia for e-learning, multimedia networking ideas, multimedia structures and functions, complex multimedia innovations, in addition to multimedia processing and analyses.

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Read or Download Advances in Multimedia Information Processing - PCM 2008: 9th Pacific Rim Conference on Multimedia, Tainan, Taiwan, December 9-13, 2008. Proceedings PDF

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Extra info for Advances in Multimedia Information Processing - PCM 2008: 9th Pacific Rim Conference on Multimedia, Tainan, Taiwan, December 9-13, 2008. Proceedings

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3. 39kb Fig. 4. Visual quality of bus sequence in the same QP compressed by the proposed method and JM98 respectively 38 E. Zhang et al. 3 Experimental Results To verify the efficiency of the proposed scheme, several experiments were tested on ‘bus’ sequence, with the frame rate of 30fps and the resolution of 352x288. We compare the proposed scheme with the traditional method, where only one single fixation point was set in the center of each frame. 8. In order to compare the proposed method and the traditional foveation model, we present the reconstructed frames of ‘bus’ sequence under the same bit rate.

1. Illustration of a mipmap, where a 64x64 texture is considered This paper is organized as follows. First of all, several pervious works are reviewed in Section 2. Then in Section 3, our texture compression algorithm is proposed to reduce the memory bandwidth requirement and increase image quality for mipmapping textures with alpha map embeded. After that, the experimental and implementation results are shown in Section 4. Finally, Section 5 concludes this paper. 2 Previous Works To achieve the requirements of decoding speed and random access, lossy fixedrate block-based approaches are widely employed for texture compression.

Sun et al. textures with alpha map. Experimental results show that MMMTC can provide better image quality when compared with other existing texture compression algorithms. Simulation results also show our MMMTC outperform DXT5 in memory bandwidth especially for textures with alpha map. VLSI implementation results show that the hardware cost of MMMTC and DXTC are similar. These facts show that MMMTC is suitable to be integrated in GPU to provide high quality textures with low memory bandwidth. In the future, we plan to verify MMMTC with more precise memory bus model and design a dedicated texture cache for MMMTC.

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