NDLI: Fast 3D Computational Integral Imaging Using Graphics Processing Unit

Content Provider	IEEE Xplore Digital Library
Author	Faliu Yi Inkyu Moon Jeong-A Lee Javidi, B.
Copyright Year	2005
Abstract	In computational integral imaging (II), the elemental images are processed on serial processors to reconstruct one plane (slice) of the 3D scene. In this paper, we present a fast three-dimensional (3D) integral imaging system via a graphics processing unit (GPU) which allows parallel processing with multiple processors. We show that it can significantly accelerate 3D scene reconstruction in II using the GPU based stream-processing model. The streaming version of the ray back propagation algorithm with lookup table is presented. It is demonstrated that the ray back propagation algorithm with a lookup table for the 3D scene reconstruction in II to be processed on parallel processors may greatly improve computational speed while requiring minimally larger memory space as compared with CPU sequential computing. Experimental results verify the feasibility for parallel implementation of 3D integral imaging. To the best of our knowledge, this is the first study on achieving a 3D computational integral imaging system using GPU computing with high parallelism.
Sponsorship	IEEE Lasers and Electro-Optics Society Optical Society of America
Starting Page	714
Ending Page	722
Page Count	9
File Size	2050191
File Format	PDF
ISSN	1551319X
Volume Number	8
Issue Number	12
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-12-01
Publisher Place	U.S.A.
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image reconstruction Graphics processing unit Parallel processing Memory management Image sensors three-dimensional (3D) image processing Graphics processing unit (GPU) integral imaging (II) parallel processing
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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