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Two-stage method to suppress speckle noise in digital holography

  • Special Section: Regular Paper
  • International Workshop on Holography and related technologies (IWH2014), Beijing, China
  • Published:
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Abstract

The two-stage method is proposed to suppress speckle noise in the digital hologram. Three kinds of optical denoising ways are analyzed and compared at first. The optimal one is used to reduce speckle preliminarily. At the same time, the statistical property of the speckle is changed by the optical way. Then the optimized NLM algorithm is adopted to further suppress speckle noise. The experimental system is set up, and the performance indices are calculated. The results are compared with other algorithms. It is demonstrated that the presented method can effectively suppress speckle noise in the digital hologram and the processed image is very vivid.

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Acknowledgments

This work is supported by Science and Technology Projects of Beijing Municipal Education Commission (No. KM201411232009), National Natural Science Foundation of China (No. 61271198) and B eijing Natural Science Foundation (No. 4131003).

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Authors and Affiliations

  1. School of Information and Communications Engineering, Beijing Information Science and Technology University, Beijing, 100101, China

    Junmin Leng & Jinhe Zhou

  2. School of Instrumentation Science and Optoelectronic Engineering, Beijing Information Science and Technology University, Beijing, 100101, China

    Xiaoping Lang & Xiaoying Li

Authors
  1. Junmin Leng
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  2. Jinhe Zhou
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  3. Xiaoping Lang
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  4. Xiaoying Li
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Correspondence to Junmin Leng.

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Leng, J., Zhou, J., Lang, X. et al. Two-stage method to suppress speckle noise in digital holography. Opt Rev 22, 844–852 (2015). https://doi.org/10.1007/s10043-015-0119-0

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  • DOI: https://doi.org/10.1007/s10043-015-0119-0

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