Applying Speckle Noise Suppression to Refractive Indices Change Detection in Porous Silicon Microarrays

The gray value method can be used to detect gray value changes of each unit almost parallel to the surface image of PSi (porous silicon) microarrays and indirectly measure the refractive index changes of each unit. However, the speckles of different noise intensities produced by lasers on a porous s...

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Bibliographic Details
Main Authors: Ruyong Ren, Zhenhong Jia, Jie Yang, Nikola Kasabov
Format: Article
Language:English
Published: MDPI AG 2019-07-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/19/13/2975