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濃度共起分析に基づく安定画素テンプレートを用いた照明変動にロバストな高速画像照合

濃度共起分析に基づく安定画素テンプレートを用いた照明変動にロバストな高速画像照合

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カテゴリ: 論文誌(論文単位)

グループ名: 【C】電子・情報・システム部門

発行日: 2013/05/01

タイトル(英語): A Fast and Robust Image Matching for Illumination Variation using Stable Pixel Template based on Co-occurrence Analysis

著者名: 斎藤 正孝(中京大学大学院 情報科学研究科),橋本 学(中京大学大学院 情報科学研究科)

著者名(英語): Masataka Saito (Graduate School of Information Science and Technology, Chukyo University), Manabu Hashimoto (Graduate School of Information Science and Technology, Chukyo University)

キーワード: 画像照合,テンプレートマッチング,画素選択,照明変動,濃度共起確率,部品認識  image matching,template matching,pixel selection,illumination variation,co-occurrence probability,part recognition

要約(英語): In this paper, we propose a high-speed part recognition method that can be practically used even in cases of drastic illumination variation. Our method selects a small number of distinctive and stable pixels in template images by analyzing spatial and temporal co-occurrence probabilities; these pixels are used in the matching process. Reduced pixels enable matching to be speeded up and stable pixels guarantee robustness against varying degrees of illumination. In addition, the proposed method optimizes the pixel selection criteria dynamically so they can be utilized under long-term illumination changes. It has been demonstrated that our system achieves a 97.6% recognition success rate through an experiment with 24120 test images that included drastic illumination variation, such as that occurring when the sun sets on a clear day. We proved that recognition success rate of the proposed method is approximately 30% higher than our previous work (CPTM) which using only of spatial co-occurrence.

本誌: 電気学会論文誌C(電子・情報・システム部門誌) Vol.133 No.5 (2013) 特集:新たな産業への応用が進む無線通信技術

本誌掲載ページ: 1010-1016 p

原稿種別: 論文/日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejeiss/133/5/133_1010/_article/-char/ja/

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