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Fast extended focused imaging in digital holography using a graphics processing unit |
Optics Letters, Vol. 36, Issue 9, pp. 1620-1622 (2011)
http://dx.doi.org/10.1364/OL.36.001620
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Abstract
We present a simple and effective method for reconstructing extended focused images in digital holography using a graphics processing unit (GPU). The Fresnel transform method is simplified by an algorithm named fast Fourier transform pruning with frequency shift. Then the pixel size consistency problem is solved by coordinate transformation and combining the subpixel resampling and the fast Fourier transform pruning with frequency shift. With the assistance of the GPU, we implemented an improved parallel version of this method, which obtained about a 300–500-fold speedup compared with central processing unit codes.
© 2011 Optical Society of America
OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(100.2000) Image processing : Digital image processing
(100.3010) Image processing : Image reconstruction techniques
(100.6890) Image processing : Three-dimensional image processing
(090.1995) Holography : Digital holography
(070.2025) Fourier optics and signal processing : Discrete optical signal processing
ToC Category:
Image Processing
History
Original Manuscript: January 27, 2011
Revised Manuscript: March 5, 2011
Manuscript Accepted: March 17, 2011
Published: April 27, 2011
Citation
Le Wang, Jianlin Zhao, Jianglei Di, and Hongzhen Jiang, "Fast extended focused imaging in digital holography using a graphics processing unit," Opt. Lett. 36, 1620-1622 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-9-1620
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