日本機械学会論文集 C編
Online ISSN : 1884-8354
Print ISSN : 0387-5024
視覚認知作業時の有効視野評価法に関する研究
山中 仁寛中易 秀敏三好 哲也前田 多章
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2006 年 72 巻 719 号 p. 2248-2256

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A new method is proposed to measure the useful field of view (UFOV) when one can recognize the objects by visual task. Since the distance from fixation point to target mark is the strength of stimuli, the psychometric curve is utilized for UFOV by the statistical estimation by Probit and Staircase methods. An approximation by ellipse is also applied to represent the contour of the UFOV. The proposed method enables one to estimate the threshold of recognition with probability that means the UFOV with the detection probability. Therefore, it is proposed in this paper to determine the threshold in any direction from fixation point of the UFOV with visual task by psychometric curve. The availabilities of the proposed method are examined for accuracy and efficiency by the experiments.

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