The image processing apparatus includes a first feature amount calculation unit for calculating a first characteristic amount for each pixel constituting an image obtained by imaging a subject, a plurality of regions of the image based on the first feature amount a region dividing unit for dividing into a second characteristic amount calculating unit for calculating a second characteristic amount of each divided region, each region of the plurality of areas based on the second feature amounts, a plurality of types of attributes and calculating a classification section that performs or classification has one attribute, the diagnosis support information for diagnosis support based on the ratio of 2 or more attributes included in the predetermined number of areas in a plurality of regions which are classified by the classification unit of the I includes a diagnostic support information calculation unit for the,.画像処理装置は、被検体を撮像して得られる画像を構成する画素毎に第1の特徴量を算出する第1の特徴量算出部と、第1の特徴量に基づいて画像を複数の領域に分割する領域分割部と、分割された領域毎に第2の特徴量を算出する第2の特徴量算出部と、第2の特徴量に基づき複数の領域における各領域が、複数種類の属性のいずれの属性を持つかの分類を行う分類部と、分類部により分類された複数の領域における2以上の所定数の領域が有する属性の割合に基づいて診断支援するための診断支援情報を算出する診断支援情報算出部と、を備える。
