Fast computation method for a Fresnel hologram using three-dimensional affine transformations in real space


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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/52149

Title:	Fast computation method for a Fresnel hologram using three-dimensional affine transformations in real space
Authors:	Sakata, Hironobu Browse this author
Authors:	Sakamoto, Yuji Browse this author →KAKEN DB
Issue Date:	1-Dec-2009
Publisher:	Optical Society of America
Journal Title:	Applied Optics
Volume:	48
Issue:	34
Start Page:	H212
End Page:	H221
Publisher DOI:	10.1364/AO.48.00H212
PMID:	19956293
Abstract:	Calculating computer-generated holograms takes a tremendous amount of computation time. We propose a fast method for calculating object lights for Fresnel holograms without the use of a Fourier transform. This method generates object lights of variously shaped patches from a basic object light for a fixed-shape patch by using three-dimensional affine transforms. It can thus calculate holograms that display complex objects including patches of various shapes. Computer simulations and optical experiments demonstrate the effectiveness of this method. The results show that it performs twice as fast as a method that uses a Fourier transform.© 2009 Optical Society of America
Rights:	© 2009 Optical Society of America
Type:	article
URI:	http://hdl.handle.net/2115/52149
Appears in Collections:	情報科学院・情報科学研究院 (Graduate School of Information Science and Technology / Faculty of Information Science and Technology) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 坂本雄児

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