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Digital calibration technique for highly linear wide dynamic range CMOS imaging sensor

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4 Author(s)
J. Yuan ; Department of Electronic and Computer Engineering, Hong Kong University of Science and Technology ; H. Y. Chan ; S. W. Fung ; B. Liu

A novel digital calibration scheme is developed to improve the linearity of a wide dynamic range (DR) CMOS imaging sensor, with a low calibration overhead. Experimental results show that the distortion of the fabricated imaging sensor reaches -75.6-dB over the 95.3-dB DR after calibration.

Published in:

Electronics Letters  (Volume:45 ,  Issue: 9 )