NDLI: Multiple parallel FPGA implementations of a Kolmogorov phase screen generator

Content Provider	Springer Nature Link
Author	Sriram, Vinay Kearney, David
Copyright Year	2007
Abstract	Modelling the effects of wavefront distortions over a finite aperture is an essential component in the simulation of adaptive optics configurations, prediction of performance of laser designators and atmospheric imaging simulations like generation of infrared (IR) scenes in the presence of atmospheric turbulence. In all of these applications many thousands of phase screens need to be generated. The computation time required for a large iterations of algorithms that model this effect is important an issue and for this reason there have been many previous attempts to improve the computation speed such algorithms. In this paper, the computation performance of the best previous algorithm that models this phenomenon is substantially improved using high performance reconfigurable computing through acceleration of the key computationally intensive steps of the algorithm on a field programmable gate array (FPGA). Our best hardware implementation can provide a speedup of more than 60 times the original algorithm.
Starting Page	195
Ending Page	200
Page Count	6
File Format	PDF
ISSN	18618200
Journal	Journal of Real-Time Image Processing
Volume Number	3
Issue Number	3
e-ISSN	18618219
Language	English
Publisher	Springer-Verlag
Publisher Date	2007-11-24
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	FPGA Kolmogorov phase screen generator Infrared (IR) simulation Signal, Image and Speech Processing Pattern Recognition Computer Graphics Multimedia Information Systems Image Processing and Computer Vision
Content Type	Text
Resource Type	Article
Subject	Information Systems

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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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