PROBLEM TO BE SOLVED: To acquire an En-Face image in accordance with an imaged part, in a simple method.SOLUTION: An image processing device comprises: acquisition means for acquiring three-dimensional data being imaging information in an imaged part of a subject； determination means for determining a diagnosis target area of the subject which is included in the imaged part； storage means for storing a plurality of setting methods of two reference planes； setting means for setting two reference planes by selecting a setting method in accordance with the target area determined by the determination means, from the plurality of stored setting methods； and image generation means for generating an En-Face image on the basis of the three-dimensional data between the two set reference planes.SELECTED DRAWING: Figure 4【課題】簡便な方法で、撮影部位に応じたＥｎ－Ｆａｃｅ画像を得る。【解決手段】被検体の撮影部位における撮影情報である三次元データを取得する取得手段と、撮影部位に含まれる被検体の診断の対象領域を判別する判別手段と、二つの基準面の設定方法を複数記憶する記憶手段と、記憶された複数の設定方法から、判別手段が判別した対象領域に応じた設定方法を選択して二つの基準面を設定する設定手段と、設定された二つの基準面の間の前記三次元データに基づいてＥｎ－Ｆａｃｅ画像を生成する画像生成手段と、を画像処理装置に配する。【選択図】図４
