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LINEAR DYNAMIC RANGE ENHANCEMENT IN A CMOS IMAGER
LINEAR DYNAMIC RANGE ENHANCEMENT IN A CMOS IMAGER
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机译:CMOS成像器中的线性动态范围增强
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摘要
A CMOS imager with increased linear dynamic range but without degradation in noise, responsivity, linearity, fixed-pattern noise, or photometric calibration comprises a linear calibrated dual gain pixel in which the gain is reduced after a pre-defined threshold level by switching in an additional capacitance. The pixel may include a novel on-pixel latch circuit that is used to switch in the additional capacitance.
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