PROBLEM TO BE SOLVED: To provide a sight line detecting device capable of detecting the line of sight accurately even if a plurality of light sources are disposed at different distances to an imaging subject.SOLUTION: The sight line detecting device includes a camera 13 that acquires an image of an imaging subject 95, and a plurality of light sources (group of light sources 31, 32, 33, and 34) that irradiate the imaging subject 95 with detection light LT, wherein the camera 13 and the plurality of light sources (group of light sources 31, 32, 33, and 34) are arranged side by side in a first direction (X1-X2 direction), and an optical axis of the camera and optical axes of the light sources are respectively set in directions oblique to the first direction and a second direction (Y1-Y2 direction) orthogonal to the first direction and includes a light source control unit 7 that controls emission in such a way that amounts of lights from the plurality of light sources are different from each other.SELECTED DRAWING: Figure 7COPYRIGHT: (C)2019,JPO&INPIT【課題】複数の光源が撮像対象者に対して異なる距離に配置されていたとしても、高精度に視線を検知できる視線検知装置を提供する。【解決手段】撮像対象者95の画像を取得するカメラ13と、撮像対象者95に検知光LTを照射する複数の光源(光源群31,32,33,34)と、を有する視線検出装置100であって、カメラ13と複数の光源(光源群31,32,33,34)とが第1の方向(X1-X2方向)に並んで配置されると共に、カメラの光軸と光源の光軸とが、第1の方向及び第1の方向と直交する第2の方向(Y1-Y2方向)それぞれに対して斜めに向けられて配置されており、複数の光源それぞれの光量が異なるように発光を調整する光源制御部7を備えている。【選択図】図7
