The Quanta Image Sensor: Every Photon Counts [PDF]
Sensors, 2016 The Quanta Image Sensor (QIS) was conceived when contemplating shrinking pixel sizes and storage capacities, and the steady increase in digital processing power.
Eric R. Fossum +4 more
doaj +7 more sources
Quantum Random Number Generation Using a Quanta Image Sensor [PDF]
Sensors, 2016 A new quantum random number generation method is proposed. The method is based on the randomness of the photon emission process and the single photon counting capability of the Quanta Image Sensor (QIS).
Emna Amri +4 more
doaj +8 more sources
Threshold Uniformity Improvement in 1b Quanta Image Sensor Readout Circuit [PDF]
Sensors, 2022 A new readout architecture for single-bit quanta image sensor (QIS) consisting of a capacitive transimpedance amplifier (CTIA) before a 1-bit quantizer to improve the threshold uniformity of the readout cluster is proposed in this paper.
Zhaoyang Yin +3 more
doaj +6 more sources
Images from Bits: Non-Iterative Image Reconstruction for Quanta Image Sensors
Sensors, 2016 A quanta image sensor (QIS) is a class of single-photon imaging devices that measure light intensity using oversampled binary observations. Because of the stochastic nature of the photon arrivals, data acquired by QIS is a massive stream of random binary
Stanley H. Chan +2 more
doaj +5 more sources
Ultra-high-resolution quanta image sensor with reliable photon-number-resolving and high dynamic range capabilities [PDF]
Scientific Reports, 2022 Superior low-light and high dynamic range (HDR) imaging performance with ultra-high pixel resolution are widely sought after in the imaging world. The quanta image sensor (QIS) concept was proposed in 2005 as the next paradigm in solid-state image ...
Jiaju Ma +4 more
doaj +2 more sources
Analog Read Noise and Quantizer Threshold Estimation From Quanta Image Sensor Bit Density
IEEE Journal of the Electron Devices Society, 2022 Estimation of the analog read noise level and quantizer threshold level to within a few hundredths of an electron can be obtained by measuring the output bit density, D, of a single-bit quanta image sensor (1bQIS) as a function of quanta exposure, H ...
Eric R. Fossum
doaj +3 more sources
Characterization of Quanta Image Sensor Pump-Gate Jots With Deep Sub-Electron Read Noise
IEEE Journal of the Electron Devices Society, 2015 Characterization of quanta image sensor pixels with deep sub-electron read noise is reported. Pixels with conversion gain of $423\mu \text{V}$ /e- and read noise as low as 0.22e- r.m.s. were measured.
Jiaju Ma +4 more
doaj +3 more sources
A Pump-Gate Jot Device With High Conversion Gain for a Quanta Image Sensor
IEEE Journal of the Electron Devices Society, 2015 A new photodetector designed for Quanta image sensor application is proposed. The photodetector is a backside-illuminated, buried photodiode with a vertically integrated pump and transfer gate and a distal floating diffusion to reduce parasitic ...
Jiaju Ma, Eric R. Fossum
doaj +3 more sources
Experimental Verification of PCH-EM Algorithm for Characterizing DSERN Image Sensors
IEEE Journal of the Electron Devices Society, 2023 The Photon Counting Histogram Expectation Maximization (PCH-EM) algorithm has recently been reported as a candidate method for the characterization of Deep Sub-Electron Read Noise (DSERN) image sensors.
Aaron J. Hendrickson +3 more
doaj +1 more source
Performance of a novel wafer scale CMOS active pixel sensor for bio-medical imaging [PDF]
, 2014 Recently CMOS Active Pixels Sensors (APSs) have become a valuable alternative to amorphous Silicon and Selenium Flat Panel Imagers (FPIs) in bio-medical imaging applications.
A C Konstantinidis +23 more
core +1 more source