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Digital image processing technique for investigating the statistical properties of speckle pattern and measuring surface roughness is described firstly. With the aid of Model-75 Image Processing System, a speckle pattern can be processed within a minute.
Zhang Qing-chuan,Xu Bo-qin, andWu Xiao-ping
"The Study Of Speckle Pattern And Surface Roughness Measurement With Image Processing Technique", Proc. SPIE 0673, Holography Applications, (15 January 1988); https://doi.org/10.1117/12.939094
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Zhang Qing-chuan, Xu Bo-qin, Wu Xiao-ping, "The Study Of Speckle Pattern And Surface Roughness Measurement With Image Processing Technique," Proc. SPIE 0673, Holography Applications, (15 January 1988); https://doi.org/10.1117/12.939094