有限方位扫描的光声断层成像分辨率研究

Study of the resolution of limited-view photoacoustic tomography

通过有限元仿真实验,定量地研究了有限方位扫描对反投影光声断层成像分辨率的影响,并且给出了有限方位扫描角与分辨率之间关系的经验公式.本文的研究结果对光声成像扫描轨迹设计、成像效果评估等具有参考价值.

In this study,numerical experiments are carried out to quantitatively investigate the effects of limited-view scanning on the resolution of photoacoustic tomography. An empirical formula is provided to approach our numerical results. The results of the study are helpful for the design of scanning trajectory and the evaluation of reconstruction.