Abstract
Iterative image restoration is efficiently implemented using an optical-digital hybrid processor composed of a digital image processor and a simple incoherent optical system. The optical processor used is a shadow casting system, consisting of a TV camera facing a CRT monitor and a mask, which can execute operations of 2-D convolution and correlation at high speed. The main feature of this hybrid processing system is that it is capable of implementing iterative image restoration for the image degraded with any blurring in a short time. Experimental results demonstrate the feasibility of this hybrid processor for iterative image restoration.
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