Results 71 to 80 of about 1,060,463 (327)

Illumination invariant stationary object detection [PDF]

open access: yes, 2013
A real-time system for the detection and tracking of moving objects that becomes stationary in a restricted zone. A new pixel classification method based on the segmentation history image is used to identify stationary objects in the scene. These objects
Bhargav Mitra   +7 more
core   +1 more source

RIS-GAN: Explore Residual and Illumination with Generative Adversarial Networks for Shadow Removal [PDF]

open access: yesAAAI Conference on Artificial Intelligence, 2019
Residual images and illumination estimation have been proved very helpful in image enhancement. In this paper, we propose a general and novel framework RIS-GAN which explores residual and illumination with Generative Adversarial Networks for shadow ...
Ling Zhang   +3 more
semanticscholar   +1 more source

The photoswitchable cannabinoid azo‐HU308 enables optical control of Ca2+ dynamics in INS‐1 β‐cells via off‐target effects on TRPC channels

open access: yesFEBS Open Bio, EarlyView.
Light activation of the photoswitchable cannabinoid ligand azo‐HU308 triggers Ca2+ influx in pancreatic β‐cells through TRPC channels, independent of CB2 cannabinoid receptors. This reveals a non‐GPCR pathway for cannabinoid modulation of β‐cell Ca2+ dynamics and establishes azo‐HU308 as an optical tool to study cannabinoid signaling through TRP ...
Alexander E. G. Viray, James A. Frank
wiley   +1 more source

Online Training for Face Recognition System Using Improved PCA

open access: yesComTech, 2011
The variation in illumination is one of the main challenging problem for face recognition. It has been proven that in face recognition, differences caused by illumination variations are more significant than differences between individuals.
Widodo Budiharto
doaj   +1 more source

Low-temperature illumination and annealing of ultra-high quality quantum wells

open access: yes, 2014
The effects of low temperature illumination and annealing on fractional quantum Hall (FQH) characteristics of a GaAs/AlGaAs quantum well are investigated. Illumination alone, below 1 K, decreases the density of the 2DEG electrons by more than an order of
Folk, Joshua A.   +7 more
core   +1 more source

Graphene Gold Nanoparticle Hybrid Based Near Infrared Photodetector [PDF]

open access: yes, 2017
This paper presents novel and simplistic approach towards the development of graphene based near infrared (NIR) photodetectors. The developed device comprises of Au nanoparticles integrated within the channel of the back-gated graphene field effect ...
Dahiya, R.   +4 more
core   +1 more source

Mycobacterial cell division arrest and smooth‐to‐rough envelope transition using CRISPRi‐mediated genetic repression systems

open access: yesFEBS Open Bio, EarlyView.
CRISPRI‐mediated gene silencing and phenotypic exploration in nontuberculous mycobacteria. In this Research Protocol, we describe approaches to control, monitor, and quantitatively assess CRISPRI‐mediated gene silencing in M. smegmatis and M. abscessus model organisms.
Vanessa Point   +7 more
wiley   +1 more source

Assessing of some physical factors affecting the health and performance of elementary School students in Qom Province [PDF]

open access: yesطب کار, 2015
Introduction: Students in the elementary school they are a vulnerable group. Creating healthy environment has a very important effect on their health, and improves their performance.
M Asadi-ghalhari   +4 more
doaj  

Quantum Estimation Methods for Quantum Illumination [PDF]

open access: yes, 2017
Quantum illumination consists in shining quantum light on a target region immersed in a bright thermal bath, with the aim of detecting the presence of a possible low-reflective object.
Di Candia, R.   +4 more
core   +2 more sources

Fundamental limits of quantum illumination [PDF]

open access: yes, 2020
In Quantum Illumination (QI), a signal beam initially entangled with an idler beam held at the receiver interrogates a target region bathed in thermal background light, and the returned beam is jointly measured with the idler in order to determine ...
R. Nair, M. Gu
semanticscholar   +1 more source

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