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Near-lossless Coding of Multiview Texture and Depth Information for Graphics Applications  

Yoon, Seung-Uk (Gwangju Institute of Science and Technology, Department of Information and Communications)
Ho, Yo-Sung (Gwangju Institute of Science and Technology, Department of Information and Communications)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SP / v.46, no.1, 2009 , pp. 41-48 More about this Journal
Abstract
This Paper introduces representation and coding schemes of multiview texture and depth data for complex three-dimensional scenes. We represent input color and depth images using compressed texture and depth map pairs. The proposed X-codec encodes them further to increase compression ratio in a near-lossless way. Our system resolves two problems. First, rendering time and output visual quality depend on input image resolutions rather than scene complexity since a depth image-based rendering techniques is used. Second, the random access problem of conventional image-based rendering could be effectively solved using our image block-based compression schemes. From experimental results, the proposed approach is useful to graphics applications because it provides multiview rendering, selective decoding, and scene manipulation functionalities.
Keywords
다시점 데이터 부호화;삼차원 장면 표현;영상 기반 렌더링;
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