Importance

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Abstract

In a color scanning system for producing color signals for an original scanned by an array of picture elements made up of multiple detectors with color filters, color distortion at boundaries between regions of different colors is reduced by means of signal processing. Differences in a brightness signal between adjacent picture elements are used to determine whether signals attributed to a detector of a given picture element will be signals detected on that detector or on a respective detector of an adjacent picture element, or a signal interpolated between signals from that detector and respective detectors of adjacent picture elements or between the respective detectors and a reference point. In a another embodiment, detectors in a row on picture elements are arranged in first and second rows. Each of the first and second rows has a charge coupled device (CCD) for storing color signals produced by the detectors in each row and for shifting the stored signals out. An intermediate storage device is interposed between the first row of detectors and the CCD. The intermediate device stores signals from the first row until the CCD of the second row samples signals. Thus, data in the CCDs of both rows are shifted out simultaneously.

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First Claim