Methods for producing data for a partially saturated pixel produced during scanning of a chemical array are provided. In general, an analog signal for a partially saturated pixel is sampled to obtain a set of non-saturated digital signals and a set of saturated digital signals. The saturated digital signals are then processed to produce data for the pixel. Also provided are computer program products comprising programming for performing the subject methods, and a chemical array scanner containing this programming. The invention finds use in a variety of different applications, including both genomics and proteomics applications.
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