日本機械学会論文集
Online ISSN : 2187-9761
ISSN-L : 2187-9761
自動運転のインターフェース構築を目的とした視点と指先位置の測定による指示方向推定手法の構築
中山 正之三浦 智河野 信哉是枝 祐太山本 晃裕福本 亮太佐久間 壮中島 康貴小林 洋藤江 正克
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論文ID: 15-00088

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In recent years, development of the automated driving system is aggressively promoted for the purpose of reducing burden of drivers and for the enhanced safety. Transferring the intention of the driver to the automobile control, such as to stop on the way or to change destinations, is essential even if a direct control from the driver is no longer necessary. Therefore, an in-car interface to conduct intention of the driver promptly and accurately to the automobile control is needed. In this paper, we proposed an interface which recognizes the intended target of the driver using gestures and speech recognition. The speech recognition technology was previously developed. Hence, we developed an interface to recognize the direction in which the driver is pointing toward from the gesture. We hypothesize that we can estimate the direction in which the driver is pointing toward from the fingertip and eye position. Verification using three-dimensional motion analysis system showed that it is possible to recognize the direction of the object with a maximum error of 5.5° and an average error of 1.2°. After verifying the hypothesis, a position measurement device that integrates Leap Motion® and KINECT®, the non-contact sensor, was developed to recognize gestures of the driver in the automobiles. The maximum error of the angle recognition in accordance with the present device was 16.1°. However, the value of the error exists only in a certain interval. For this reason, by taking into account the movement of the eye position, and provide adequate tuning for each driver, proposed interface is sufficiently usable.

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