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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/111751

    Title: 影像物體特徵描述方法及影像處理裝置
    Authors: 蔡奇謚;Liao, Hisen-Chen
    Date: 2017-07-01
    Issue Date: 2017-09-26 02:10:27 (UTC+8)
    Abstract: 一種影像物體特徵描述方法及裝置。此方法係偵測一輸入影像中的感興趣物體,並計算其質心位置及方向角。接著,辨識此感興趣物體的輪廓,計算輪廓上各個像素與質心位置之間的距離及相對角度,並使用方向角來校正所計算各個像素的相對角度。然後,將以質心位置為中心的360度範圍區分為多等份的角度區間,並依各個角度區間涵蓋的範圍將輪廓上的像素分為多個群組,之後取各個群組的像素的距離中的最大值作為該群組的特徵值,並集合這些特徵值生成特徵向量。最終則將此特徵向量正規化以作為感興趣物體的特徵描述子。
    Appears in Collections:[Graduate Institute & Department of Electrical Engineering] Patent

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