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Human vision based detection of non-uniform brightness on LCD panels
2006
Machine Vision Applications in Industrial Inspection XIV
We propose a method to detect defects due to spatially non-uniform brightness on LCD panels by using a machine vision technique. The detection method is based on human vision so that proper subjective assessment experiments were conducted to investigate the correlation between the parameters related to non-uniformity and the degree how easily observable it is. The visibility of the defects reveals to depend mainly on the spatial gradient of brightness variation. Thus, in the proposed method,
doi:10.1117/12.650500
fatcat:gufre6joqjfmvcb7alnkfpudiy