NDLI: A comparison of correntropy-based feature tracking on FPGAs and GPUs

Content Provider	IEEE Xplore Digital Library
Author	Cooke, P. Fowers, J. Stitt, G. Hunt, L.
Copyright Year	2013
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Univ. of Florida, Gainesville, FL, USA (Cooke, P.; Fowers, J.; Stitt, G.) \|\| Prioria, Inc., Gainesville, FL, USA (Hunt, L.)
Abstract	Embedded signal-processing applications often require feature tracking to identify and track the motion of different objects (features) across a sequence of images. Common measures of similarity for real-time usage are either based on correlation, mean-squared error, or sum of absolute differences, which are not robust enough for safety-critical applications. A recent feature-tracking algorithm called C-Flow uses correntropy to significantly improve signal-to-noise ratio. In this paper, we present an FPGA accelerator for C-Flow that is typically 2-7x faster than a GPU and show that the FPGA is the only device capable of real-time usage for large features. Furthermore, we show the FPGA accelerator is generally more appropriate for embedded usage, with energy consumption that is often 1.2-7.9x less than the GPU.
Sponsorship	IEEE Comput. Soc.
Starting Page	237
Ending Page	240
File Size	224966
Page Count	4
File Format	PDF
ISBN	9781479904945
ISSN	2160052X
e-ISBN	9781479904938
DOI	10.1109/ASAP.2013.6567580
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Field programmable gate arrays Graphics processing units Circuit faults Random access memory Feature extraction Real-time systems Robustness optical flow FPGA GPU feature tracking correntropy
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	Mr. Siddhartha Mukherjee siddhartha@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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	ndl-support@iitkgp.ac.in
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