淡江大學機構典藏:Item 987654321/98573
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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/98573


    Title: Accurate and robust ROI localization in a camshift tracking application
    Authors: Yen, Shwu-Huey;Wang, Chun-Hui;Chien, Jui-Chen
    Contributors: 淡江大學資訊工程學系
    Keywords: Camshift;Mean shift;Tracking;Surveillance;Flood-fill
    Date: 2015-12
    Issue Date: 2014-08-14 22:34:26 (UTC+8)
    Publisher: Springer New York LLC
    Abstract: Camshift has been well accepted as one of the most popular methods for object tracking. However, it fails to address complex situations, such as similar color interference, object occlusion, and illumination changes. In this paper, we enhance Camshift to enable it to handle the above-mentioned problems. A two-dimensional (2D) histogram of the hue and luminance is used for the color features of the target. To reduce the influence from irrelevant background pixels, a Flood-fill operation is implemented. The obtained 2D target model can precisely describe the target as well as achromatic points. A similarity score is evaluated to prevent similar color interference. When a target’s colors are not distinguishable from the background colors, motion information will contribute to the tracking task. Finally, an average rate change is adopted to maintain progressive but not abrupt changes in the window size. The proposed algorithm has been extensively tested. The results are satisfactory while maintaining the processing in real time.
    Relation: Multimedia Tools and Applications 74(23), pp.10291–10312
    DOI: 10.1007/s11042-014-2167-z
    Appears in Collections:[Graduate Institute & Department of Computer Science and Information Engineering] Journal Article

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