Publications related to Design and Implementation of CMOS Image Sensors for Biomedical Applications

Achieving high-resolution thermal imagery in low-contrast lake surface waters by aerial remote sensing and image registration

David Andrew Barry, Ulrich Lemmin, Daniel Sage, Abolfazl Irani Rahaghi

A two-platform measurement system for realizing airborne thermography of the Lake Surface Water Temperature (LSWT) with ~0.8 m pixel resolution (sub-pixel satellite scale) is presented. It consists of a tethered Balloon Launched Imaging and Monitoring Plat ...

2019

High Spectral Resolution Plasmonic Color Filters with Subwavelength Dimensions

Giulia Tagliabue

Rapid advances in image sensor technology have generated a mismatch between the small size of image sensor pixels and the achievable filter spectral resolution. This mismatch has prevented the realization of chip-based image sensors with simultaneously hig ...

2019

A Modular, Direct Time-of-Flight Depth Sensor in 45/65-nm 3-D-Stacked CMOS Technology

Edoardo Charbon, Myung Jae Lee, Preethi Padmanabhan, Augusto Ronchini Ximenes

This article introduces a modular, direct time-of-flight (TOF) depth sensor. Each module is digitally synthesized and features a 2

\times

(8

\times

8) single-photon avalanche diode (SPAD) pixel array, an edge-sensitive decision tree, a shared time-to ...

2019

Full SPICE Simulation of a CMOS Active Pixel Sensor with Generalized Devices

Jean-Michel Sallese, Chiara Rossi

We present SPICE simulations of a CMOS APS pixel element consisting of the optical sensor and the circuit. The photodiode is simulated at the physics level by means of the so-called generalized devices, without any predefined compact model. Conversely, reg ...

IEEE2019

Pixel sensor cell for cmos image sensors with enhanced conversion gain at high dynamic range capability

Assim Boukhayma

The present invention relates to a pixel sensor cell (1) for a CMOS sensor device comprising: - a photodiode (11) for generating photoelectrons; - a first transfer transistor (12) coupling the photodiode (11) with an intermediate node (IN) and configured t ...

2019

Gravity as a Reference for Estimating a Person's Height from Video

Pascal Fua, Helge Jochen Rhodin, Semih Günel, Didier Bieler

Estimating the metric height of a person from monocular imagery without additional assumptions is ill-posed. Existing solutions either require manual calibration of ground plane and camera geometry, special cameras, or reference objects of known size. We f ...

IEEE2019

Event-Based Motion Segmentation by Motion Compensation

Davide Scaramuzza

In contrast to traditional cameras, whose pixels have a common exposure time, event-based cameras are novel bio-inspired sensors whose pixels work independently and asynchronously output intensity changes (called "events"), with microsecond resolution. Sin ...

2019

Compact Modeling of Charge Transfer in Pinned Photodiodes for CMOS Image Sensors

Christian Enz, Farzan Jazaeri, Assim Boukhayma, Raffaele Capoccia

In this paper, we propose a physics-based compact model of the pinned photodiode (PPD) combined with the transfer gate. A set of analytical expressions is derived for the 2-D electrostatic profile, the PPD capacitance, and the charge transfer current. The ...

2019

Single-photon avalanche diode imagers in biophotonics: review and outlook

Edoardo Charbon, Claudio Bruschini, Ivan Michel Antolovic, Harald Arjan Robert Homulle, Samuel Burri

Single-photon avalanche diode (SPAD) arrays are solid-state detectors that offer imaging capabilities at the level of individual photons, with unparalleled photon counting and time-resolved performance. This fascinating technology has progressed at a very ...

2019

Low-Cost Readout Electronics for Piezoresistive MEMS-Based Transducers

Marco Mattavelli, Diego Ruben Barrettino

The designs fabrication and testing of low-cost readout electronics for piezoresistive MEMS-based transducers are presented in this paper. The proposed circuit architecture has a low input referred noise power spectral density of 60nV/root Hz a latency of ...

IEEE2019

Design and Implementation of CMOS Image Sensors for Biomedical Applications

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Achieving high-resolution thermal imagery in low-contrast lake surface waters by aerial remote sensing and image registration

High Spectral Resolution Plasmonic Color Filters with Subwavelength Dimensions

A Modular, Direct Time-of-Flight Depth Sensor in 45/65-nm 3-D-Stacked CMOS Technology

Full SPICE Simulation of a CMOS Active Pixel Sensor with Generalized Devices

Pixel sensor cell for cmos image sensors with enhanced conversion gain at high dynamic range capability

Gravity as a Reference for Estimating a Person's Height from Video

Event-Based Motion Segmentation by Motion Compensation

Compact Modeling of Charge Transfer in Pinned Photodiodes for CMOS Image Sensors

Single-photon avalanche diode imagers in biophotonics: review and outlook

Low-Cost Readout Electronics for Piezoresistive MEMS-Based Transducers

A Modular, Direct Time-of-Flight Depth Sensor in 45/65-nm 3-D-Stacked CMOS Technology

High Spectral Resolution Plasmonic Color Filters with Subwavelength Dimensions

Single-photon avalanche diode imagers in biophotonics: review and outlook

Achieving high-resolution thermal imagery in low-contrast lake surface waters by aerial remote sensing and image registration

Low-Cost Readout Electronics for Piezoresistive MEMS-Based Transducers

Event-Based Motion Segmentation by Motion Compensation

Pixel sensor cell for cmos image sensors with enhanced conversion gain at high dynamic range capability

Full SPICE Simulation of a CMOS Active Pixel Sensor with Generalized Devices

Gravity as a Reference for Estimating a Person's Height from Video

Compact Modeling of Charge Transfer in Pinned Photodiodes for CMOS Image Sensors