PROBLEM TO BE SOLVED: To provide a motion detection apparatus capable of accurately detecting the neck swinging motion of a subject to be examined.SOLUTION: The motion detection apparatus 1 is characterized by including an image acquiring means 3 for acquiring an image including the face of the object to be examined a locus acquiring means 9 for acquiring a locus of characteristic points of the face in the image a neck swinging motion detection means 11 for detecting the neck swinging motion of the subject to be examined when the amount of characteristics related to the locus acquired by the locus acquiring means 9 is within a predetermined range a storing means 17 for storing, for each subject to be examined, the locus of the neck swinging motion, or the amount of characteristics on the neck swinging motion and a setting means 11 for setting the predetermined range, based on the locus of the neck swinging motion of the subject to be examined stored in the storing means 17 or based on the amount of characteristics on the neck swinging motion, in accordance with the subject to be examined.COPYRIGHT: (C)2013,JPO&INPIT【課題】被験者の首振り動作を正確に検出できる動作検出装置を提供すること。【解決手段】被験者の顔を含む画像を取得する画像取得手段3と、前記画像において、前記顔の特徴点の軌跡を取得する軌跡取得手段9と、前記軌跡取得手段9で取得した前記軌跡に関する特徴量が所定の範囲内である場合に、前記被験者の首振り動作を検出する首振り動作検出手段11と、前記首振り動作の軌跡、又は前記首振り動作における前記特徴量を、前記被験者ごとに記憶する記憶手段17と、前記所定の範囲を、前記被験者に応じて、前記記憶手段17に記憶されたその被験者の前記首振り動作の軌跡、又は前記首振り動作における前記特徴量に基づいて設定する設定手段11と、を備えることを特徴とする動作検出装置1。【選択図】 図1
