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メダカの行動解析に向けた遊泳軌跡抽出手法

Extraction method of swimming trajectory for behavior analysis of medaka (${it Oryzias Latipes}$)

松田 朝陽*; 高橋 悟*; 川端 邦明; 尾田 正二*; 金子 俊一*

Matsuda, Asahi*; Takahashi, Satoru*; Kawabata, Kuniaki; Oda, Shoji*; Kaneko, Shunichi*

In recent years, biology researchers elucidate the biological and behavioral mechanisms based on measurement of observation data. Then, it is accompanied with time cost and misrecognition to measure a trajectory of creature from observation data based on human eyes. Therefore, biology researchers require automated measurement and recording support system. In this paper, we introduce a new method of swimming trajectory generation for analyzing of medaka behavior. Then, in order to recognize medaka behavior a method which combines orientation code matching by rotation invariant multiple-templates and particle filter based on multiple-likelihood functions is introduced. Through experimentations we prove the effectiveness of our method.

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