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Title:Low noise cmos image sensors
Author(s):Li, Anthony
Advisor(s):Gruev, Viktor
Department / Program:Electrical & Computer Eng
Discipline:Electrical & Computer Engr
Degree Granting Institution:University of Illinois at Urbana-Champaign
Degree:M.S.
Genre:Thesis
Subject(s):CMOS Image Sensors
Biomedical Sensors
NIR Imaging
Analog Circuit Design
Sensor Design
Noise
Abstract:Cancer remains a pervasive problem in public health with surgery serving as the primary care option. Fluorescence image-guided surgery has been explored to aid surgeons identify specific tissue in the patient during operations but these systems tend to interfere with workflow. CMOS image sensors have been explored as a solution because of their high performance, low noise and small footprint. Reducing the noise floor on CMOS image sensors makes it possible to develop a general image sensor that can be used for several low light imaging applications. Achieving low noise performance requires minimal noise injection from the sensor system as well as an image sensor architecture that suppresses noise at the pixel level. The standard pixel architecture suffers from several sources of noise which can be alleviated at the expense of sensor performance. By modifying the behavior of the photo-active component, several sources of noise can be removed.
Issue Date:2020-07-15
Type:Thesis
URI:http://hdl.handle.net/2142/108616
Rights Information:Copyright 2020 Anthony Li
Date Available in IDEALS:2020-10-07
Date Deposited:2020-08


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