PROBLEM TO BE SOLVED: To provide a subject information processing apparatus capable of generating photoacoustic image data and ultrasonic image data in a real time while suppressing the increase of a device scale.SOLUTION: The subject information processing apparatus includes: an operation means that contains two or more receiving elements that receive an acoustic wave and an ultrasonic wave and two or more memories that correspond to the receiving elements, respectively, and that generates the photoacoustic image data from a signal based on the acoustic wave, and generates the ultrasonic image data from a signal based on the ultrasonic wave and a control means that stores the signal based on the ultrasonic wave in a free space of the memory after the signal based on the acoustic wave is stored in the memory and the generation of photoacoustic image data begins, and executes the remainder of the generation of the photoacoustic image data and the generation of the ultrasonic image data by a time division.COPYRIGHT: (C)2012,JPO&INPIT【課題】装置規模の増大を抑制しつつ、光音響画像データと超音波画像データをリアルタイム生成可能な被検体情報処理装置を提供する。【解決手段】本発明の被検体情報処理装置は、音響波と超音波を受信する複数の受信素子と、受信素子にそれぞれ対応する複数のメモリを含み、音響波に基づく信号から光音響画像データを、超音波に基づく信号から超音波画像データを生成する演算手段と、音響波に基づく信号をメモリに格納し、光音響画像データの生成を開始した後、超音波に基づく信号をメモリの空き領域に格納し、光音響画像データの生成の残りと、超音波画像データの生成を時分割で実行する制御手段を有する。【選択図】図1A
