PROBLEM TO BE SOLVED: To make it possible to appropriately set imaging conditions in performing mammography using a radiation.SOLUTION: A subject information analysis unit includes: a mamma shape calculation unit 303 for acquiring shape information for a mamma from a plurality of distance pictures obtained by imaging the mamma a mammary gland content rate calculation unit 305 for acquiring a mammary gland content rate of the mamma from a transmission picture and a three-dimensional model for the mamma of a subject, and an analysis result output unit 306 for outputting an acquired analysis result to imaging condition setting means which sets imaging conditions in performing radiography on the mamma by using the subjects shape information and mammary gland content rate.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2017,JPO&INPIT【課題】放射線を用いて乳房撮影を行う際の撮影条件をより適切に設定可能とする。【解決手段】被写体情報解析部は、乳房を撮像した複数の距離画像から乳房の形状情報を取得する乳房形状算出部303と、透過画像および被写体乳房の三次元形状モデルから乳房の乳腺含有率を取得する乳腺含有率算出部305と、得られた解析結果を被写体の形状情報と乳腺含有率とを用いて乳房を放射線撮影する際の撮影条件を設定する撮影条件設定手段に出力する解析結果出力部306を有する。【選択図】図3
