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

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 i...

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Bibliographic Details
Published in:Journal of electronic imaging 2018-03, Vol.27 (2), p.023030-023030
Main Authors: Kabir, Salman, Smith, Craig, Armstrong, Frank, Barnard, Gerrit, Schneider, Alex, Guidash, Michael, Vogelsang, Thomas, Endsley, Jay
Format: Article
Language:English
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Summary: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.
ISSN:1017-9909
1560-229X
DOI:10.1117/1.JEI.27.2.023030