NDLI: GPU acceleration of acoustic radiation force impulse imaging using scanning-mode

Content Provider	IEEE Xplore Digital Library
Author	Congzhi Wang Bo Zeng Yang Xiao Weibao Qiu Hairong Zheng
Copyright Year	2014
Description	Author affiliation: Paul C. Lauterbur Res. Center for Biomed. Imaging, Inst. of Biomed. & Health Eng., Shenzhen, China (Congzhi Wang; Bo Zeng; Yang Xiao; Weibao Qiu; Hairong Zheng)
Abstract	Acoustic radiation force impulse (ARFI) system has a more simple hardware architecture than the supersonic shearwave imaging (SSI), which make it easier to be miniaturized for some special clinical practice, such as the emergency treatments in the field first-aid and the donor evaluation for organ transplantation. However, currently ARFI cannot provide 2D stiffness images like SSI can do. To fit this gap, the time-consuming algorithms of ARFI are to be migrated to the graphics processing unit (GPU) for substantial acceleration. In this study, the algorithms of ARFI were modified and improved to fit for the parallel computation on GPU: an analytic signal based cross-correlation method was used to assess the tissue displacements, a cyclic reduction (CR) method was used to calculate the cubic spline interpolation, and a time-of-flight (TOF) method based on Radon transformation was used to determine the shear wave velocity. The ratio of the time consumptions of the programs running on CPU and on GPU was calculated using the practical data collected by our self-developed ARFI system. For the most time-consuming parts such as cross-correlation, filtering, Radon transformation and cubic spline interpolation, large acceleration ratio has been confirmed between the two programs. And a quasi-real-time scanning-mode 2D ARFI (s2D-ARFI) imaging system was implemented by the help of GPU acceleration. Several imaging results on phantom, isolated animal tissue, and in vivo animal are also presented.
Starting Page	1241
Ending Page	1244
File Size	637259
Page Count	4
File Format	PDF
e-ISBN	9781479970490
DOI	10.1109/ULTSYM.2014.0306
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-09-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Graphics processing units Acceleration Filtering Biomedical measurement Velocity measurement Animals Lesions
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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