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A one-dimensional CMOS focal plane array for Gabor-type image filtering

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1 Author(s)
B. E. Shi ; Dept. of Electr. & Electron. Eng., Hong Kong Univ., Hong Kong

We describe the design, implementation, and test results from an analog complementary metal-oxide-semiconductor very large scale integration (CMOS VLSI) chip which combines photosensing and an image filtering operation similar to Gabor filtering. The chip contains a one-dimensional (1-D) 27-pixel array and generates three outputs at every pixel; the input image intensity and the real and imaginary parts of the filter output. These results validate experimentally a recently presented theoretical framework for the design of cellular neural network (CNN) templates for Gabor-type spatial image filtering

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IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications  (Volume:46 ,  Issue: 2 )