In fact, if visibility restoration algorithms must increase the contrast, artificial edges must not become visible.
The evaluative criteria in[19] including three indicators e, r ̄, and H, which denote the newly visible edges after restoration, the average visibility enhancement, and the image information entropy, are used here to compare two gray level or color images: the input image and the restored image.
Grozny, Chechnya's nominal capital and a ruin of a city, still lacks gas, electricity and any visible efforts at restoration.
The Kingdom of God is being made visible - salvation and restoration is at hand as the hungry are being nourished, as the sick are being cared for, and in thousands of other ways that followers of Jesus bring his love and hope and healing to life.
My restoration was now barely visible -- a few faint dabs on the broken surface, where eyes and mouth should be.
If the cemento-enamel junction (CEJ) was not visible because of the presence of a restoration (crown, filling), the margin of this restoration served as a reference point.
The plow features were still well visible after 42 years of self-restoration in both soil groups.
The surface zinc white layer, today visible, was probably applied during the 1908 restoration intervention.
Marginal adaption (0 to 4): 0= complete adaptation of the restoration to the tooth, no visible marginal defects; 1= significant defects, but no dentine exposure; 2= significant marginal defects with dentine exposure; 3= fractured and mobile restoration, insufficient material; 4= restoration mobile, fractured or lost.
On closer inspection, many blemishes are visible, like a large blotch resulting from poor restoration on the lower right and two long vertical scratches at the top right.
