Fig. 5
From: Detection of surface defects and subsurface defects of polished optics with multisensor image fusion
Signal strength comparison of SSDs in scattering and fluorescence images. a Covered SSD in superposition image. b c Locally enlarged scattering and fluorescence images (contrast stretched from original to show). d Extended SSD in superposition image. e f Locally enlarged scattering and fluorescence images (contrast stretched from original to show). g Contrast of the gray values of the two defects in scattering image (the sampling lines are the connection lines of the red arrows in Fig. 5b and Fig. 5e). h Contrast of the gray values of the two defects in fluorescence image (the sampling lines are the connection lines of the green arrows in Fig. 5c and Fig. 5f)