PROBLEM TO BE SOLVED: To determine a conscious looking aside with a simple method for detecting movement of eye balls of a determination object person such as a driver of a vehicle.SOLUTION: A saccade state which is sudden eye movement which occurs when a sight line of a driver moves, is detected, based on an image imaged by an in-vehicle camera 1. The detected saccade state is at least one of movement speed (angular speed) and duration for amplitude of the saccade. By comparing the movement speed with a reference value, or comparing the duration with the reference value, it is determined whether or not a driver is looking aside consciously, when the driver looks at a travel direction.SELECTED DRAWING: Figure 3

    【課題】車両の運転者等の判定対象者の眼球の動きを検出するという簡便な手法により、意識のわき見を判定できるようにする。【解決手段】車内カメラ1で撮像された画像に基づいて、運転者の視線が動くときに生じる急激な眼球運動となるサッカードの状態が検出される。検出されるサッカードの状態は、サッカードの振幅あたりの移動速度(角速度)あるいは持続時間の少なくとも一方とされる。上記移動速度を基準値を比較することにより、あるいは上記持続時間を基準値と比較することにより、運転者が進行方向を見ているときの意識のわき見であるか否かが判定される。【選択図】 図3


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    Title :

    LOOKING ASIDE STATE DETERMINATION DEVICE


    Additional title:

    わき見状態判定装置


    Contributors:

    Publication date :

    2017-12-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / A61B DIAGNOSIS , Diagnostik



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