Speckle Reduction in Digital Holography by Fast Logistic Adaptive Non-Local Means Filtering

Speckle Reduction in Digital Holography by Fast Logistic Adaptive Non-Local Means Filtering

Digital holography is a promising imaging technology. However, there is speckle noise in the reconstructed image of a digital hologram. Speckle degrades the quality of the reconstructed image. Suppression of speckle noise is a challenging problem in digital holography. A novel method is proposed to...

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Bibliographic Details
Main Authors: Yiping Fu, Junmin Leng, Zhenqi Xu
Format: Article
Language:English
Published: MDPI AG 2024-02-01
Series:Photonics
Subjects:
logistic function
integral image
NLM algorithm
speckle noise
digital holography
Online Access:https://www.mdpi.com/2304-6732/11/2/147

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