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作 者:Wen-ChengWang Kui-YuLi XinZheng En-HuaWu
机构地区:[1]KeyLabofComputerScience,InstituteofSoftware,TheChineseAcademyofSciencesBeijing100080,P.R.China [2]GraduateSchoolofChineseAcademyofSciences,Beijing100039.P.R.China [3]DepartmentofComputerandInformationScience,FacultyofScienceandTechnology,UniversityofMacauMacao,P.R.China
出 处:《Journal of Computer Science & Technology》2004年第5期633-642,共10页计算机科学技术学报(英文版)
基 金:国家自然科学基金,国家重点基础研究发展计划(973计划)
摘 要:An extension to texture mapping is given in this paper for improving theefficiency of image-based rendering. For a depth image with an orthogonal displacement at eachpixel, it is decomposed by the displacement into a series of layered textures (LTs) with each onehaving the same displacement for all its texels. Meanwhile, some texels of the layered textures areinterpolated for obtaining a continuous 3D approximation of the model represented in the depthimage. Thus, the plane-to-plane texture mapping can be used to map these layered textures to producenovel views and the advantages can be obtained as follows: accelerating the rendering speed,supporting the 3D surface details and view motion parallax, and avoiding the expensive task ofhole-filling in the rendering stage. Experimental results show the new method can producehigh-quality images and run faster than many famous image-based rendering techniques.An extension to texture mapping is given in this paper for improving theefficiency of image-based rendering. For a depth image with an orthogonal displacement at eachpixel, it is decomposed by the displacement into a series of layered textures (LTs) with each onehaving the same displacement for all its texels. Meanwhile, some texels of the layered textures areinterpolated for obtaining a continuous 3D approximation of the model represented in the depthimage. Thus, the plane-to-plane texture mapping can be used to map these layered textures to producenovel views and the advantages can be obtained as follows: accelerating the rendering speed,supporting the 3D surface details and view motion parallax, and avoiding the expensive task ofhole-filling in the rendering stage. Experimental results show the new method can producehigh-quality images and run faster than many famous image-based rendering techniques.
关 键 词:layered texture texture mapping image-based rendering
分 类 号:TP391.41[自动化与计算机技术—计算机应用技术]
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