COLOR SENSORS WHITE PAPER
■Applications where the color of certain objects has to be securely checked repeatedly present sensors with immense challenges. In particular, the different properties of artificial surfaces make it harder to reliably evaluate color. Why is that? And what solutions are available? In order to come closer to answering these questions, one must first know what abilities the human eye is capable of in the field of color recognition.
■Color is a sensation that is caused by external stimuli of the eye. For color recognition, the human eye has different visual receptors: the rods and the cones.
■In advanced stages of dusk or almost complete darkness, the 120 million rods of the eye are used, since they have a higher level of sensitivity to light compared to the cones. Here, a person is only able to distinguish between light and dark or black and white.
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OF34 series 、 OF50 、 OF50 series 、 OF63 、 OF63 series 、 OF65 series 、 OF65 、 OF34 、 OF35 series 、 OF35 |
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White Paper |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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April 2013 |
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Version: April 2013 |
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576 KB |
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