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  • 标题:勾配方向の双対性とフラクタル次元を用いた細長い人工遮蔽物の検出
  • 本地全文:下载
  • 作者:島村 潤 ; 数藤 恭子 ; 志水 信哉
  • 期刊名称:映像情報メディア学会誌
  • 印刷版ISSN:1342-6907
  • 电子版ISSN:1881-6908
  • 出版年度:2013
  • 卷号:67
  • 期号:7
  • 页码:J219-J228
  • DOI:10.3169/itej.67.J219
  • 出版社:The Institute of Image Information and Television Engineers
  • 摘要:This paper proposes a detection method of artificial obstacles from a single image. The proposed method first detects local lines as candidates based on the duality of gradient orientation and then globally determines whether they are artificial obstacles by using fractal dimension and the perimeter of the region. The proposed method has two distinct advantages: (1) the accurate detection of artificial obstacles in the form of not only straight lines but also curved lines, and (2) the fast detection of obstacles by using hysteresis thresholding at the global detection phase. Results with real images are presented to illustrate the superior performance of the proposed method.
  • 关键词:勾配ヒストグラム;ヒステリシス閾値;フラクタル次元;人工遮蔽物
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