Automatic color grading of ceramic tiles using machine vision |
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| Authors: | Boukouvalas C. Kittler J. Marik R. Petrou M. |
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| Affiliation: | Dept. of Electron. & Electr. Eng., Surrey Univ., Guildford; |
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| Abstract: | We present a method designed to solve the problem of automatic color grading for industrial inspection of plain and patterned ceramic tiles. We discuss problems we were confronted with, like the temporal and spatial variation of the illumination, and the ways we dealt with them. Then, we present results of correctly grading a series of ceramic tiles, the differences of which were at the threshold of human perception |
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