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 booklet constitutes the refereed lawsuits 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 awarded have been rigorously reviewed and chosen from 210 submissions. The papers are prepared in topical sections on subsequent new release video coding concepts, audio processing and type, interactive multimedia platforms, advances in H.264/AVC, multimedia networking strategies, complicated photograph processing concepts, video research and its functions, photograph detection and type, visible and spatial analyses, multimedia human laptop interfaces, multimedia safety and DRM, complicated photo and video processing, multimedia database and retrieval, multimedia administration and authoring, multimedia personalization, multimedia for e-learning, multimedia networking concepts, multimedia platforms and functions, complex multimedia options, in addition to multimedia processing and analyses.
Read Online 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 resources for Advances in Multimedia Information Processing - PCM 2008: 9th Pacific Rim Conference on Multimedia, Tainan, Taiwan, December 9-13, 2008. Proceedings
6 shows the various modes change for Coastguard and Bus. From this figure, CPM occupies more than 31% in Coastguard and more than 8% in Bus. As a result, promising PSNR gains can be achieved. For various sequences, the larger percentage CPM can occupy, the higher PSNR gain can be achieved when not considering the bitrate cost for syntax modification. Fig. 7 compares the sum of absolute differences (SAD) between the original frame and the predicted frame generated by the proposed scheme (denoted as “Proposed CPM”) and the original AVS (denoted as AVS) for Coastguard and Bus.
References 1. : Rendering from compressed textures. In: Proc. SIGGRAPH 1996 (1996) 2. : Pyramidal parametrics. In: Proc. SIGGRAPH 1983 (1983) 3. : Image compression using block truncation coding. IEEE Transactions on Communications 27(9), 1335–1342 (1979) 4. : System and method for ﬁxed-rate block-based image compression with inferred pixel values. US Patent 5,956,431 (1999) 5. : PACKMAN: texture compression for mobile phones. In: Sketches Program at SIGGRAPH 2004 (2004) 6. : iPACKMAN, high-quality, low-complexity texture compression for mobile phones.
The CPM module is only proposed for luminance component. In the RD optimization encoding flow, the occurrence of inter-intra mode combination is accumulated by finding which Inter mode has the closest RD cost with the final selected Intra mode for those intra-coded MBs and record the mode combination. Multiple sequences with various contents are tested to finally retrieve the statistical results of the probability of each possible mode combination. Because each MB has four 8×8 blocks, if the current MB is encoded by Intra prediction, each 8×8 block may has different Intra modes compared to that encoded by Inter prediction which applies only one Inter mode to the whole MB.
Advances in Multimedia Information Processing - PCM 2008: 9th Pacific Rim Conference on Multimedia, Tainan, Taiwan, December 9-13, 2008. Proceedings 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.)