Study on digital holography based on the total variation reconstruction algorithm

JIAN Xianzhong; ZHOU Hai; QIAO Jingyuan; LI Ying; WANG Jia

doi:10.7510/jgjs.issn.1001-3806.2014.02.019

LASER TECHNOLOGY > 2014 > 38(2): 236-239. > DOI: 10.7510/jgjs.issn.1001-3806.2014.02.019

JIAN Xianzhong, ZHOU Hai, QIAO Jingyuan, LI Ying, WANG Jia. Study on digital holography based on the total variation reconstruction algorithm[J]. LASER TECHNOLOGY, 2014, 38(2): 236-239. DOI: 10.7510/jgjs.issn.1001-3806.2014.02.019

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Study on digital holography based on the total variation reconstruction algorithm

Shanghai Key Laboratory of Modern Optical System, Electrical Engineering College, University of Shanghai for Science and Technology, Shanghai 200093, China

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Received Date: April 22, 2013
Revised Date: June 02, 2013
Published Date: February 24, 2014

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In order to eliminate the zero-order image and the conjugate image interference problems in the traditional algorithm for reconstruction of digital hologram, a new algorithm based on the total variation of the two-step iterative shrinkage thresholding (TwIST) was proposed combining compressive sensing theory with reconstruction of the digital hologram. According to the characteristics of the reconstruction component, the TwIST algorithm based on the total variation improves the quality of the reconstruction of hologram. The simulation results show that the hologram can be reconstructed from a sparse hologram with TwIST reconstruction algorithm a high quality image was reconstructed from 35% of a hologram and the peak signal-to-noise ratio (PSNR) of the reconstructed image was 36.46dB without zero-order image and conjugate image interference. The study is helpful for implementing real-time computer-generated hologram.
- holography,
- compressive sensing,
- computer-generated hologram,
- digital hologram,
- total variation reconstruction algorithm

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