PROBLEM TO BE SOLVED: To provide a received data processor for reconfiguring an image of the photoacoustic tomography at high speed with a small-scaled constitution utilizing the characteristics of the photoacoustic tomography.SOLUTION: The data processor includes: a minimum constitution unit data synthesis means for synthesizing minimum constitution unit data of an acoustic wave in each minimum constitution unit by sequentially reading and adding received digital signals originating with each minimum constitution unit in a phasing manner from a first memory means according to the delay information of the acoustic wave to each acoustic wave reception element from each minimum constitution unit in an object region being tested a second memory means storing the minimum constitution unit data of the whole object region being tested an image constitution means for constituting the image of the object being tested according to the minimum constitution unit data stored in the second memory means and a control means for sequentially storing each minimum constitution unit datum calculated by the minimum constitution unit data synthesis means in the second memory means, reading the stored minimum constitution unit data of the whole object region being tested and sending them to the image constitution means.COPYRIGHT: (C)2010,JPO&INPIT【課題】光音響トモグラフィの特質を活用し、小規模な構成で、高速に光音響トモグラフィの画像再構成を行いうる光音響トモグラフィの受信データ処理装置を提供する。【解決手段】被検体領域の各最小構成単位から各音響波受信素子への音響波の遅延情報に従い、第一の記憶手段より各最小構成単位由来の受信デジタル信号を順次読み出し整相加算して各最小構成単位における音響波の最小構成単位データを合成する最小構成単位データ合成手段と、被検体領域全体の最小構成単位データを保存可能な第二の記憶手段と、第二の記憶手段に保存された最小構成単位データに基づき被検体の画像を構成する画像構成手段と、最小構成単位データ合成手段によって演算された各最小構成単位データを順次第二の記憶手段に記憶し、記憶された被検体領域全体の最小構成単位データを読み出して画像構成手段に送る制御手段と、を具備してなる。【選択図】 図1
