Abstract
The purpose of this paper is to examine a newly devised Charge Modulation Device (CMD) image sensor designed for real-time image processing. We designed, fabricated and evaluated a 258/spl times/258 pixels CMD imager with nine parallel outputs. 3/spl times/3 neighboring signals are obtained simultaneously at the nine output ports and the frame image is obtained by scanning the pixels. A camera system using the imager successfully performed the Sobel or the Laplacian operation in real-time (60 frames/s) with low power dissipation. The image processing concept utilizes CMD's unique features, such as nondestructive readout capability, linear current output and flexibility in implementing various readout schemes. This architecture will produce compact and light weight smart imaging systems. >
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