Figure 1.
Comparison between the original image and the images after quality-reduction processing.
(a) original image, (b) reduced-resolution image, (c) added Gaussian noise image, (d) defocus-blurred image, and (e) reduced contrast image.
Figure 2.
Flowchart of image quality assessment based on object recognition effect.
Figure 3.
Object recognition and marking effect.
Table 1.
Image quality parameters and their explanations.
Table 2.
Statistics of ORR and image quality parameters.