Fig. 14
From: A two-stage defect detection method for unevenly illuminated self-adhesive printed materials

Analysis results of brightness unevenness in the samples of each pattern. The variance represents the degree of brightness variation.
From: A two-stage defect detection method for unevenly illuminated self-adhesive printed materials
Analysis results of brightness unevenness in the samples of each pattern. The variance represents the degree of brightness variation.