Tag: in vivo

SIZE-ADJUSTABLE RING-SHAPE PHOTOACOUSTIC TOMOGRAPHY IMAGER IN VIVO

Author(s): Daohuai Jiang1,2,3, Yifei Xu1, Hengrong Lan1,2,3, Yuting Shen1, Yifan Zhang1,Feng Gao1, Li Liu4*,  Fei Gao1,5* ABSTRACT Photoacoustic tomography (PAT) has become a novel biomedical imaging modality for scientific research and clinical diagnosis. It combines the advantages of spectroscopic optical absorption contrast and acoustic resolution with deep penetration. In this article, an imaging size-adjustable PAT […]

REAL-TIME, VOLUMETRIC IMAGING OF RADIATION DOSE DELIVERY DEEP INTO THE LIVER DURING CANCER TREATMENT

Authors: Wei Zhang, Ibrahim Oraiqat, Dale Litzenberg, Kai-Wei Chang, Scott Hadley, Noora Ba Sunbul, Martha M. Matuszak,  Christopher J. Tichacek, Eduardo G. Moros, Paul L. Carson, Kyle C. Cuneo, Xueding Wang, & Issam El Naqa ABSTRACT Ionizing radiation acoustic imaging (iRAI) allows online monitoring of radiation’s interactions with tissues during radiation therapy, providing real-time, adaptive […]

CHARACTERIZING A PHOTOACOUSTIC AND FLUORESCENCE IMAGING PLATFORM FOR PRECLINICAL MURINE LONGITUDINAL STUDIES

Author(s): Weylan R. Thompson, Hans-Peter F. Brecht, Vassili Ivanov, Anthony M. Yu, Diego S. Dumani, Dylan J. Lawrence, Stanislav Y. Emelianov, Sergey A. Ermilov PAT volumes and slices of in vivo mouse scans. The top PAT row shows 3D renders of the PAT volumes scanned at wavelengths (a) 532 nm for superficial structures, (b) 710 nm for deep structures with deoxygenated […]

DEEP LEARNING ENABLED REAL-TIME PHOTOACOUSTIC TOMOGRAPHY SYSTEM VIA SINGLE DATA ACQUISITION CHANNEL

Author(s): Hengrong Lan, Daohuai Jiang, Feng Gao, Fei Gao Fig. 1. The overview of the proposed single-channel PACT system. PC: personal computer. Pre-amp: Pre-amplifier. ABSTRACT Photoacoustic computed tomography (PACT) combines the optical contrast of optical imaging and the penetrability of sonography. In this work, we develop a novel PACT system to provide real-time imaging, which is achieved by a 120-elements ultrasound array only using a single data […]

Y-NET: HYBRID DEEP LEARNING IMAGE RECONSTRUCTION FOR PHOTOACOUSTIC TOMOGRAPHY IN VIVO

Author(s): Hengrong Lan, Daohuai Jiang, Changchun Yang, Feng Gao, Fei Gao Fig. 5. The example of performance comparison using different methods to reconstruct initial pressure. The four examples correspond to four rows; every column corresponds to different method, from left to right: ground-truth, DAS, TR, Y-Net-EIID, Y-Net-EID, post-processing U-Net and Y-Net. DAS: delay-and-sum; TR: time reversal. The white circles indicate the local details. ABSTRACT Conventional reconstruction […]

DUAL-SCAN PHOTOACOUSTIC TOMOGRAPHY FOR THE IMAGING OF VASCULAR STRUCTURE ON FOOT

Author(s): Chuqin Huang, Yanda Cheng, Wenhan Zheng, Robert W Bing, Huijuan Zhang, Isabel Komornicki, Linda M Harris, Praveen R Arany, Saptarshi Chakraborty, Qifa Zhou, Wenyao Xu, Jun Xia ABSTRACT Chronic leg ulcers are affecting approximately 6.5 million Americans, and they are associated with significant mortality, reduced quality of life, and high treatment costs. Since many […]