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    National Tsing Hua University Institutional Repository > 電機資訊學院 > 資訊工程學系 > 會議論文  >  A novel structure-from-motion strategy for refining depth map estimation and multi-view synthesis in 3DTV


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/67281


    Title: A novel structure-from-motion strategy for refining depth map estimation and multi-view synthesis in 3DTV
    Authors: Chia-Ming Cheng;Xiao-An Hsu;Shang-Hong Lai
    教師: 賴尚宏
    Date: 2010
    Relation: Multimedia and Expo (ICME),2010 IEEE International Conference on,Issue Date: 19-23 July 2010,On page(s): 944 - 949
    Keywords: novel structure-from-motion strategy
    depth map estimation
    multi-view synthesis
    Abstract: The video-plus-depth format has been widely used for representing the 3D scene due to its main advantage of compatibility to image format. In practice, the depth inconsistency may lead to unsatisfactory view synthesis results. In this paper, we propose a new structure-from-motion (SfM) technique, called locally temporal bundle adjustment (LTBA), to handle the dynamic scenes as well as the static camera motion, which violates the conventional structure from motion assumption. By integrating the camera information, depth map, and video temporally, we develop a geometric quadrilateral filter to reduce noise in the depth map and enhance the spatio-temporal consistency to improve the quality of depth maps. We show the improved quality of dynamic depth maps by using the proposed algorithm through experiments on real video-plus-depth sequences.
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/67281
    Appears in Collections:[資訊工程學系] 會議論文

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