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In this paper, a shared-pixel architecture in which the Gr pixel and the Gb pixel are designed to have the same layout structure, is introduced for suppression of the Gr/Gb sensitivity imbalance. In addition, a more effective FD-boost scheme that uses both gate-to-source capacitance (CGS) and gate-to-drain capacitance (CGD) is introduced to resolve the trade-off between dark random noise and FD capability,...
A 1/2.5 inch, 5.2 Mpeixel CMOS image sensor with wide dynamic range operation mode is developed and its effectiveness for high contrast scene pictures is verified. The adopted algorithm for this operation is inherently free from fixed pattern noise generation which often resists the realization of mass production level wide dynamic range image sensors. The attained dynamic range is 96 dB with 12 bit...
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