Regular effective hologram regions for computer generated holography
Applied Optics, Vol. 48, Issue 34, pp. H196-H202 (2009)
http://dx.doi.org/10.1364/AO.48.00H196
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Abstract
An effective hologram region (EHR) based approach is presented to speed up the computation of computer generated holograms (CGHs). The object space is predivided into subspaces, and an EHR for each subspace is predefined according to the maximum spatial frequency of interference fringes, light diffraction efficiency, and CGH binarization effect. To compute the hologram of an object, the object points are first categorized according to which subspace they are located in, and then their holograms are calculated using the corresponding EHRs. As each EHR usually takes up only a portion of the hologram plate, the CGH computational load is thus reduced. This new approach is highly suitable for large hologram display systems. In addition, when compared to the reconstructed image using the conventional approach, our experimental results show that more noise can be blocked off and the reconstructed image appears sharper without noticeable brightness reduction.
© 2009 Optical Society of America
OCIS Codes
(090.1760) Holography : Computer holography
(090.2870) Holography : Holographic display
ToC Category:
Computer-Generated Holography
History
Original Manuscript: July 2, 2009
Revised Manuscript: October 23, 2009
Manuscript Accepted: October 23, 2009
Published: November 9, 2009
Citation
Shuhong Xu, Farzam Farbiz, Sanjeev Solanki, Xinan Liang, Yuechao Pan, and Xuewu Xu, "Regular effective hologram regions for computer generated holography," Appl. Opt. 48, H196-H202 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-34-H196
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