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Title: High-speed phase-shift computation using dynamic memory processing
Authors: Ng, T.W. 
Keywords: Dynamic memory processing
Image processing
Phase-shift computation
Issue Date: 1996
Citation: Ng, T.W. (1996). High-speed phase-shift computation using dynamic memory processing. Optical Engineering 35 (12) : 3482-3484. ScholarBank@NUS Repository.
Abstract: The conventional method of applying the arctangent operation at every picture element in an interferogram slows down the phase-shift technique. A method that precalculates and dynamically stores the phase combinations in the computer's random-access memory is introduced. The appropriate value is then mapped out based on input phase-shifted intensities. Performance tests on different types of processors reveal a two to seven times increase in computational speed using the method. © 1996 Society of Photo-Optical Instrumentation Engineers.
Source Title: Optical Engineering
ISSN: 00913286
Appears in Collections:Staff Publications

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