Results 81 to 90 of about 1,020 (173)

A High Speed CMOS Image Sensor with a Novel Digital Correlated Double Sampling and a Differential Difference Amplifier

open access: yesSensors, 2015
In order to increase the operating speed of a CMOS image sensor (CIS), a new technique of digital correlated double sampling (CDS) is described. In general, the fixed pattern noise (FPN) of a CIS has been reduced with the subtraction algorithm between ...
Daehyeok Kim, Jaeyoung Bae, Minkyu Song
doaj   +1 more source

Pig Seminal Plasma Extracellular Vesicles Enhance Motility During Preservation of Epididymal Spermatozoa but Impair Capacitation and IVF Parameters

open access: yesAndrology, Volume 14, Issue 5, Page 1249-1260, July 2026.
ABSTRACT Background Extracellular vesicles (EVs) produced by accessory sex glands play a key role in sperm functionality, influencing motility, viability, acrosome integrity, metabolic activity, and capacitation. Most studies on the effects of EVs on spermatozoa have focused on ejaculated spermatozoa, which have already been exposed to their own native
Ana Moya‐Fernández   +4 more
wiley   +1 more source

A CMOS image sensor integrated with plasmonic colour filters

open access: yes, 2012
Multi-pixel, 4.5 × 9 μm, plasmonic colour filters, consisting of periodic subwavelength holes in an aluminium film, were directly integrated on the top surface of a complementary metal oxide semiconductor (CMOS) image sensor (CIS) using electron beam ...
Das, D.   +14 more
core   +1 more source

Reactivity of the Iron Complexes with the Macrocyclic Ligand 5,5,7,12,12,14‐Hexamethyl‐1,4,8,11‐Tetraazacyclotetradecane (tet) Toward Dioxygen

open access: yesZeitschrift für anorganische und allgemeine Chemie, Volume 652, Issue 9, 3 June 2026.
The complex [(tet a)FeII(OTf)2] reacts with dioxygen first to a superoxido intermediate and in a consecutive reaction to the corresponding iron–oxido complex. The reactions of the iron complexes [(tet a)FeII(OTf)2] and [(tet b)FeII](OTf)2 (tet = 5,5,7,12,12,14‐hexamethyl‐1,4,8,11‐tetraazacyclotetradecane) with dioxygen were investigated.
Kevin Keller   +2 more
wiley   +1 more source

A Biologically Inspired CMOS Image Sensor

open access: yes, 2013
Biological systems are a source of inspiration in the development of small autonomous sensor nodes. The two major types of optical vision systems found in nature are the single aperture human eye and the compound eye of insects.
Sarkar, Mukul, Theuwissen, Albert
core   +1 more source

Hash-Based Message Authentication Code with a Reverse Fuzzy Extractor for a CMOS Image Sensor

open access: yes
The MIPI (Mobile Industry Processor Interface) Alliance provides a security framework for in-vehicle network connections between sensors and processing electronic control units (ECUs). One approach within this framework is data integrity verification for
Yuki Rogi   +6 more
core   +1 more source

CMOS SPAD-based image sensor for single photon counting and time of flight imaging [PDF]

open access: yes, 2016
The facility to capture the arrival of a single photon, is the fundamental limit to the detection of quantised electromagnetic radiation. An image sensor capable of capturing a picture with this ultimate optical and temporal precision is the pinnacle ...
Dutton, Neale Arthur William
core  

Smart optical CMOS sensor for endoluminal applications

open access: yes, 2009
A custom CMOS image sensor for capsular endoscopy is presented. The complete functionality of the chip is guaranteed through seven signal pins, used for the I2C like input and the LVDS output interfaces.
Vatteroni, M.   +6 more
core   +1 more source

A Compressive Sensing-Based CMOS Image Sensor With Second-Order $\Sigma \Delta$ ADCs

open access: yes, 2017
This paper presents a new analog-to-digital conversion scheme for a second-order Sigma Delta incremental analog to digital converter (ADC) that can be employed in a compressive sensing (CS)-based CMOS image sensor (CIS) as a column-parallel ADC.
Woo-Tae Kim   +7 more
core   +1 more source

Electrical and Optical Simulation of CMOS Image Sensor and Microlens

open access: yes, 2007
This thesis focuses on simulation of solid-state image sensor. The parameters used are based on complementary metal-oxide-semiconductor process (CMOS) and CMOS image sensor (CIS) technology.
Hsiao, Shun-Wen, 蕭舜文
core  

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