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Opto Diode Corp. - Opto Diode 10-24 LB
Photonics Dictionary

quantizer

A device with a limited number of possible output values (sometimes able to be selected) that can translate an incoming signal into these values or codes for outputting. See pulse code modulation. In image processing, the quantizer takes the gray-scale values of an input film or video image and translates them into its own limited set of gray-scale values.
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