PROBLEM TO BE SOLVED: To provide a photoacoustic image generation device which is more user-friendly and can reduce the time and effort of luminance adjustment in a case of performing luminance adjustment of an ultrasonic image and a photoacoustic image, and provide a method and program.SOLUTION: A photoacoustic image generation device, in a case of performing luminance adjustment of a photoacoustic image and luminance adjustment of a reflection wave image by using one system luminance adjustment instruction reception unit, maintains the current luminance of the photoacoustic image regardless of the instruction of luminance adjustment of the reflection wave image currently received by the luminance adjustment instruction reception unit at the time point of switching from luminance adjustment of the reflection wave image to luminance adjustment of the photoacoustic image, and maintains the current luminance of the reflection wave image regardless of the instruction of luminance adjustment of the photoacoustic image currently received by the luminance adjustment instruction reception unit at the time point of switching from luminance adjustment of the photoacoustic image to luminance adjustment of the reflection wave image.SELECTED DRAWING: Figure 5【課題】超音波画像と光音響画像の輝度調整を行う場合において、ユーザがより使い易く、かつ輝度調整の手間を削減することができる光音響画像生成装置および方法並びにプログラムを提供する。【解決手段】1系統の輝度調整指示受付部を用いて光音響画像の輝度調整と反射波画像の輝度調整とを行う場合、反射波画像の輝度調整から光音響画像の輝度調整への切り替えられた時点において、輝度調整指示受付部によって現在受け付けられている反射波画像の輝度調整の指示に関わらず、現在の光音響画像の輝度を維持し、光音響画像の輝度調整から反射波画像の輝度調整への切り替えられた時点において、輝度調整指示受付部によって現在受け付けられている光音響画像の輝度調整の指示に関わらず、現在の反射波画像の輝度を維持する。【選択図】図5
