In the picture analytical device which analyzes the picture of the internal organs of the suffering inspection body which has the form which anatomy possesses symmetry, To be connected by graphics data reading expedient and the aforementioned graphics data reading expedient which read the graphics data of the aforementioned internal organs, the said to be connected by memory expedient and the aforementioned memory expedient which remember the graphics data which is read, to be connected by indicatory expedient and the aforementioned memory expedient which indicate the aforementioned graphics data as the picture to be connected by centerline setting expedient and the aforementioned memory expedient which set the centerline of the aforementioned internal organs on the picture which is indicated on the aforementioned indicatory expedient, at least anatomy in the symmetrical position on the picture of the aforementioned internal organs which faces making use of the aforementioned centerline the plural of 1 sets of or moreIt is connected by interest territory setting expedient and the aforementioned interest territory setting expedient to which sets the aforementioned interest territory, it has the input expedient which inputs the condition for setting the interest territory to on the aforementioned picture.解剖学的に対称性を有する形状を持つ被検体の臓器の画像を解析する画像解析装置において、前記臓器の画像データを読み込む画像データ読込手段と、前記画像データ読込手段に接続され、該読み込まれた画像データを記憶する記憶手段と、前記記憶手段に接続され、前記画像データを画像として表示する表示手段と、前記記憶手段に接続され、前記表示手段上に表示されている画像上に前記臓器の中心線を設定する中心線設定手段と、前記記憶手段に接続され、前記中心線を用い前記臓器の画像上の解剖学的に対称な相対する位置に少なくとも1組以上の複数個の前記関心領域を設定する関心領域設定手段と、前記関心領域設定手段に接続され、前記画像上への関心領域の設定のための条件を入力する入力手段を備える。
