Colour quantification for industrial inspection
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Publisher Summary This chapter discusses the application of some of the most recent advances in the psychophysics of color for the development of a color grading system which is capable of replacing the human expert inspector in color based quality control of manufactured products. Visual industrial inspection, however, has not become a matter of routine yet. Several industrial tasks have already been fully automatic, but the aspect which seems to present most resistance to the process of automation is that of final product quality control. To be acceptable to the manufacturer, the automatic inspection has to be at the level of the inspection that is performed by the trained human inspectors at the peak of their performance. The chapter explains the problem of replacing the spectral sensitivity of the electronic sensor with that of the human visual system so that agreement to the sub-level accuracy between the recordings of the electronic and the human sensors can be achieved.
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