Compressed sensing in synthetic aperture photoacoustic tomography based on a linear-array ultrasound transducer  

作　　者：Xiangwei Lin Naizhang Feng Yawei Qu Deying Chen Yi Shen Mingjian Sun 蔺祥伟;冯乃章;屈亚威;陈德应;沈毅;孙明健(Department of Control Science and Engineering,Harbin Institute of Technology;Department of Gastroenterology,General Hospital of Chinese People's Armed Police Forces;Institute of Opto-electronics,Harbin Institute of Technology)

机构地区：[1]Department of Control Science and Engineering, Harbin Institute of Technology, Harbin 150001, China [2]Department of Gastroenterology, General Hospital of Chinese People＇s Armed Police Forces, Beijing 100039, China [3]Institute of Opto-electronics, Harbin Institute of Technology, Harbin 150080, China

出　　处：《Chinese Optics Letters》2017年第10期51-55,共5页中国光学快报（英文版）

基　　金：partially supported by the National Natural Science Foundation of China(Nos.61371045 and 11574064);the Shenzhen Science & Technology Program,China(No.JCYJ20160429115309834);the Science and Technology Development Plan Project of Shandong Province,China(Nos.2015GGX103016 and 2016GGX103032)

摘　　要：Photoacoustic tomography（PAT） has the unique capability of visualizing optical absorption inside several centimeters-deep biological tissue with a high spatial resolution. However, single linear-array transducer-based PAT suffers from the limited-view challenge, and thus the synthetic aperture configuration is designed that still requires multichannel data acquisition hardware. Herein, a feasible synthetic aperture PAT based on compressed sensing reconstruction is proposed. Both the simulation and experimental results tested the theoretical model and validated that this approach can improve the image resolution and address the limited-view problem while preserving the target information with a fewer number of measurements.Photoacoustic tomography（PAT） has the unique capability of visualizing optical absorption inside several centimeters-deep biological tissue with a high spatial resolution. However, single linear-array transducer-based PAT suffers from the limited-view challenge, and thus the synthetic aperture configuration is designed that still requires multichannel data acquisition hardware. Herein, a feasible synthetic aperture PAT based on compressed sensing reconstruction is proposed. Both the simulation and experimental results tested the theoretical model and validated that this approach can improve the image resolution and address the limited-view problem while preserving the target information with a fewer number of measurements.

关 键 词：Compressed sensing in synthetic aperture photoacoustic tomography based on a linear-array ultrasound transducer DAQ CS 

分 类 号：TB552[理学—物理]