画像計測の対応点探索への応用を目指したマーカー形状と二値化・重心座標の変動に関する基礎的検討

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: 2020/08/01

タイトル(英語): An Experimental Study on Fluctuation of Centroid Coordinates Depending on Shape of Markers at the Corresponding Point Searching of the Passive Stereo Measurement

著者名: 橋本　岳（静岡大学），橋本　智洋（東京大学），山本　茂広（神戸大学）

著者名(英語): Takeshi Hashimoto (Shizuoka University), Tomohiro Hashimoto (The University of Tokyo), Shigehiro Yamamoto (Kobe University)

キーワード: 3次元座標計測，マーカー形状，対応点の変動，外れ値抑制，防災　　3D position measurement，marker shape，fluctuation of corresponding points，avoiding outlier，disaster prevention

要約(英語): Corresponding point searching is the most important process at the passive stereo measurement. At the long-range target, the number of pixels of binarized target marker images are sometimes few, concretely about 100 pixels. In this case, the fluctuation of the coordinate of the corresponding points is possibly appeared. We have been studying long-range outdoor measurements by the high-precision passive stereo to detect the small movement of the land for the disaster prevention. For this application, the stability of measurement results is required to avoid the mistake alert. In this paper, we discuss the fluctuation in detail using several shapes, sizes and rotation conditions. Also, we found the condition that showed outliers which must be avoided for the image measurement. As a result, the circle, the most popular marker shape, sometimes shows more outliers than some of the other shapes such as the slightly rotated square marker.

本誌: 電気学会論文誌C（電子・情報・システム部門誌） Vol.140 No.8 （2020） 特集Ⅰ：社会課題解決に向けた超スマート社会実現技術　特集Ⅱ：国際会議ICESS 2019

本誌掲載ページ: 1001-1009 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/140/8/140_1001/_article/-char/ja/