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    National Tsing Hua University Institutional Repository > 電機資訊學院 > 電機工程學系 > 期刊論文 >  Virtual contour-guided video object inpainting using posture mapping


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/83635


    Title: Virtual contour-guided video object inpainting using posture mapping
    Authors: Chih-Hung Ling;Chia-Wen Lin;Chih-Wen Su;Hung-Yuan Mark Liao;Yung-Sheng Chen
    教師: 林嘉文
    Date: 2011
    Publisher: Institute of Electrical and Electronics Engineers
    Relation: IEEE TRANSACTIONS ON MULTIMEDIA, Institute of Electrical and Electronics Engineers, Volume 13, Issue 2, APR 2011, Pages 292-302
    Keywords: IMAGE
    COMPLETION
    MOTION
    TRACKING
    CAMERA
    Abstract: This paper presents a novel framework for object completion in a video. To complete an occluded object, our method first samples a 3-D volume of the video into directional spatio-temporal slices, and performs patch-based image in-painting to complete the partially damaged object trajectories in the 2-D slices. The completed slices are then combined to obtain a sequence of virtual contours of the damaged object. Next, a posture sequence retrieval technique is applied to the virtual contours to retrieve the most similar sequence of object postures in the available non-occluded postures. Key-posture selection and indexing are used to reduce the complexity of posture sequence retrieval. We also propose a synthetic posture generation scheme that enriches the collection of postures so as to reduce the effect of insufficient postures. Our experiment results demonstrate that the proposed method can maintain the spatial consistency and temporal motion continuity of an object simultaneously.
    Relation Link: http:/dx.doi.org/10.1109/TMM.2010.2095000
    http://www.ieee.org/
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/83635
    Appears in Collections:[電機工程學系] 期刊論文
    [光電研究中心] 期刊論文

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