CMOS image sensors: electronic camera-on-a-chip
TLDR
In this article, the requirements for CMOS image sensors and their historical development, CMOS devices and circuits for pixels, analog signal chain, and on-chip analog-to-digital conversion are reviewed and discussed.Abstract:
CMOS active pixel sensors (APS) have performance competitive with charge-coupled device (CCD) technology, and offer advantages in on-chip functionality, system power reduction, cost, and miniaturization. This paper discusses the requirements for CMOS image sensors and their historical development, CMOS devices and circuits for pixels, analog signal chain, and on-chip analog-to-digital conversion are reviewed and discussed.read more
Citations
More filters
Proceedings ArticleDOI
A high dynamic range CMOS image sensor with a digital configurable logarithmic counter
TL;DR: A new digital configurable logarithmic counter is described that can reduce power consumption and chip area drastically and enhances the dynamic range (DR) of CMOS Image Sensors.
Patent
Electromagnetic radiation detector for wide-band multi-spectral imaging device, has lower detection structure that is arranged within lower semiconductor chip to overlap with upper detection structure arranged within upper chip
TL;DR: In this article, an upper and lower semiconductor chips are provided with major surfaces (14,24) opposed to each other, and a lower detection structure (28) is arranged within the lower sensor to overlap with an upper detection structure.
Proceedings ArticleDOI
A new CMOS pixel with lateral and vertical BJT structure
TL;DR: In this article, a new CMOS pixel which has lateral and vertical BJT structure is proposed, which is used for amplification in low light conditions, and correlated double sampling (CDS) is used.
Proceedings ArticleDOI
Low-power analog image processing using transform imagers
TL;DR: The Transform Imager Technology and Architecture allows for Retina and higher-level bio-inspired computation in a programmable architecture that still possesses similar high-fill factor pixels of CMOS imagers and allows for retina and advanced biological-type processing.
References
More filters
Journal ArticleDOI
Charge coupled semiconductor devices
W. S. Boyle,G. E. Smith +1 more
TL;DR: A new semiconductor device concept that consists of storing charge in potential wells created at the surface of a semiconductor and moving the charge over the surface by moving the potential minima is described.
Journal Article
CMOS image sensors: Electronic camera-on-a-chip
TL;DR: In this article, the requirements for CMOS image sensors and their historical development, CMOS devices and circuits for pixels, analog signal chain, and on-chip analog-to-digital conversion are reviewed and discussed.
Journal ArticleDOI
CMOS active pixel image sensors for highly integrated imaging systems
Sunetra K. Mendis,Sabrina E. Kemeny,R.C. Gee,Bedabrata Pain,Craig Staller,Quiesup Kim,Eric R. Fossum +6 more
TL;DR: In this paper, a family of CMOS-based active pixel image sensors (APSs) that are inherently compatible with the integration of on-chip signal processing circuitry is reported.
Proceedings ArticleDOI
Active Pixel Sensors: Are CCD's Dinosaurs?
TL;DR: ActivePixel Sensor (APS) as mentioned in this paper is a detector array technology that has at least one active transistor within the pixel unit cell, which eliminates the need for nearly perfect charge transfer, which makes CCD's radiation'soft' and difficult to use under low light conditions, difficult to integrate with on-chip electronics, difficulty to use at low temperatures, and difficulty to manufacture in non-silicon materials that extend wavelength response.
Journal ArticleDOI
CMOS active pixel image sensor
TL;DR: In this paper, a 2.0 /spl mu/m double-poly, double-metal foundry CMOS active pixel image sensor is reported, which uses TTL compatible voltages, low noise and large dynamic range, and is useful in machine vision and smart sensor applications.