Importance

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Abstract

A method of measuring light intensity for imaging using a light detector array comprising a plurality of light detectors arranged to generate an output corresponding to an intensity of incident light. In a first measurement mode the light detector array generates a first plurality of output signals, each generated by one group of proximate light detectors, each group comprising a light detector pair, the first plurality of output signals each corresponding to a difference between the light intensity detected by the light detectors of the group, and generating a light intensity measurement for each group from each received output signal of the first plurality of output signals. In a second measurement mode the light detector array generates a second plurality of output signals, and a light intensity measurement is generated for each light detector from the second plurality of output signals.

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First Claim