24 April 2018 Optimization of CMOS image sensor utilizing variable temporal multisampling partial transfer technique to achieve full-frame high dynamic range with superior low light and stop motion capability
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Abstract
Differential binary pixel technology is a threshold-based timing, readout, and image reconstruction method that utilizes the subframe partial charge transfer technique in a standard four-transistor (4T) pixel CMOS image sensor to achieve a high dynamic range video with stop motion. This technology improves low light signal-to-noise ratio (SNR) by up to 21 dB. The method is verified in silicon using a Taiwan Semiconductor Manufacturing Company’s 65 nm 1.1  μm pixel technology 1 megapixel test chip array and is compared with a traditional 4  ×   oversampling technique using full charge transfer to show low light SNR superiority of the presented technology.
© 2018 SPIE and IS&T
Salman Kabir, Salman Kabir, Craig Smith, Craig Smith, Frank Armstrong, Frank Armstrong, Gerrit Barnard, Gerrit Barnard, Alexander C. Schneider, Alexander C. Schneider, Michael Guidash, Michael Guidash, Thomas Vogelsang, Thomas Vogelsang, Jay Endsley, Jay Endsley, } "Optimization of CMOS image sensor utilizing variable temporal multisampling partial transfer technique to achieve full-frame high dynamic range with superior low light and stop motion capability," Journal of Electronic Imaging 27(2), 023030 (24 April 2018). https://doi.org/10.1117/1.JEI.27.2.023030 . Submission: Received: 15 June 2017; Accepted: 16 March 2018
Received: 15 June 2017; Accepted: 16 March 2018; Published: 24 April 2018
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