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Volume: 29 | Article ID: art00009
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Optimization of CMOS Image Sensor Utilizing Variable Temporal Multi-Sampling Partial Transfer Technique to Achieve Full-frame High Dynamic Range with Superior Low Light and Stop Motion Capability
  DOI :  10.2352/ISSN.2470-1173.2017.11.IMSE-186  Published OnlineJanuary 2017
Abstract

Differential Binary Pixel Technology is a threshold-based timing, readout and image reconstruction method that utilizes sub-frame partial charge transfer technique in a standard four-transistor (4T) pixel CMOS Image sensor (CIS) to achieve HDR video with Stop Motion. This technology improves low light signal-tonoise ratio (SNR) by up to 21dB. The method is verified in silicon using a TSMC 65nm 1.1μm pixel technology 1 megapixel (MP) test chip array and is compared with a traditional 4× oversampling technique using full charge transfer. The test chip is also compared with the iPhone 6s rear view camera to show superior HDR video capability.

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Salman Kabir, Craig Smith, Frank Armstrong, Gerrit Barnard, Michael Guidash, Thomas Vogelsang, Jay Endsley, "Optimization of CMOS Image Sensor Utilizing Variable Temporal Multi-Sampling Partial Transfer Technique to Achieve Full-frame High Dynamic Range with Superior Low Light and Stop Motion Capabilityin Proc. IS&T Int’l. Symp. on Electronic Imaging: Image Sensors and Imaging Systems,  2017,  pp 52 - 63,  https://doi.org/10.2352/ISSN.2470-1173.2017.11.IMSE-186

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