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A sensel (short for sensor element, modeled after the term pixel) is a single light-detecting element of a discrete image sensor.

The word "pixel" is often used to describe such an element, but this is technically incorrect because pixel refers to a single element of a spatially discrete light-producing device (such as a liquid crystal display). Whereas a sensel refers to an element of a discrete light-sensing device.

For example, the individual elements of a charge-couple device (CCD) image sensor, as used in many digital cameras, are sensels.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Sensel". A list of authors is available in Wikipedia.
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