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Laser Spot Image Acquisition Method by Using CCD Camera Method
Author(s): 
Pages: 33-35+61
Year: Issue:  5
Journal: Optics & Optoelectronic Technology

Keyword:  CCD imaging methoddiffuse reflectionlaser spotpseudo-color transformation;
Abstract: In order to measure a large size laser spot image,the diffuse laser spot image acquisition by using CCD camera method is studied.CCD camera is used to capture the laser spot image rdflected from the diffuse back plate.Spot image background is removed.The sport image is extracted according to the system noise property.And then the distortion of light spot image is corrected by using the principle of perspective projection.According to the characteristics of human eye sensitive to color image,the spot image is processed for pseudo cdor by using the grayscale-color transformation method.The resules show that the CCD diffuse reflection method can accurately measure the large size laser spot image.
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