DocumentCode :
3183361
Title :
Scalable, High Performance Fourier Domain Optical Coherence Tomography: Why FPGAs and Not GPGPUs
Author :
Li, Jian ; Sarunic, Marinko V. ; Shannon, Lesley
Author_Institution :
Sch. of Eng. Sci., Simon Fraser Univ., Burnaby, BC, Canada
fYear :
2011
fDate :
1-3 May 2011
Firstpage :
49
Lastpage :
56
Abstract :
Fourier Domain Optical Coherence Tomography (FD-OCT) is an emerging biomedical imaging technology featuring ultra-high resolution and fast imaging speed. Due to the complexity of the FD-OCT algorithm, real time FD-OCT imaging demands high performance computing platforms. However, the scaling of real-time FD-OCT processing for increasing data acquisition rates and 3-dimensional (3D) imaging is quickly outpacing the performance of general purpose processors. Our research analyzes the scalability of accelerating FD-OCT processing on two potential implementation platforms: General Purpose Graphical Processing Units (GPGPUs) and Field Programmable Gate Arrays (FPGAs). We implemented a complete FD-OCT system using a NVIDIA GPGPU as co-processor, with a speed up of 6.9x over general purpose processors (GPPs). We also created a hardware processing engine using FPGAs with a speed up of 15.5x over GPPs for a single pipeline, which can be replicated to further increase performance. Our analysis of the performance and scalability for both platforms shows that, while GPGPUs offer an easy and low cost solution for accelerating FD-OCT, FPGAs are more likely to match the long term demands for real-time, 3D, FD-OCT imaging.
Keywords :
coprocessors; field programmable gate arrays; medical image processing; optical tomography; 3D imaging; FPGA; NVIDIA GPGPU; biomedical imaging technology; coprocessor; fast imaging speed; field programmable gate arrays; general purpose graphical processing units; high performance Fourier domain optical coherence tomography; ultra-high resolution; Acceleration; Field programmable gate arrays; Imaging; Parallel processing; Real time systems; Three dimensional displays; Throughput; FD-OCT; FPGA; GPGPU;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Field-Programmable Custom Computing Machines (FCCM), 2011 IEEE 19th Annual International Symposium on
Conference_Location :
Salt Lake City, UT
Print_ISBN :
978-1-61284-277-6
Electronic_ISBN :
978-0-7695-4301-7
Type :
conf
DOI :
10.1109/FCCM.2011.27
Filename :
5771247
Link To Document :
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