| 摘要 |
A photoacoustic apparatus disclosed herein includes a plurality of receiving elements (211) which receive photoacoustic waves caused by irradiation of light from a light source (105) to a subject and outputs reception signals, and signal data acquisition means which generates and stores reception signal data by reducing a data amount of reception signals output from the plurality of receiving elements (211) when a region where the directional axes of the plurality of receiving elements (211) are gathered at a point is not included in a region of interest. |
