Abstract
Image data processing based on optical scanning and digital reconstruction frequently ignores artifacts produced by the scanning process itself. Characterization of these artifacts by measurement of system modulation transfer function (MTF) using the traditional knife-edge scan technique produces only one section of the 2-D MTF, and interpretation of this as representative of the complete MTF may yield misleading re A theoretical analysis is presented which allows reconstruction of the complete 2-D MTF from a sequence of knife-edge measurements, and an experimental example is shown for the case of a vidicon camera based scanning system.
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