Results 21 to 30 of about 1,469,780 (320)

Distilling Object Detectors With Fine-Grained Feature Imitation [PDF]

open access: yesComputer Vision and Pattern Recognition, 2019
State-of-the-art CNN based recognition models are often computationally prohibitive to deploy on low-end devices. A promising high level approach tackling this limitation is knowledge distillation, which let small student model mimic cumbersome teacher ...
Tao Wang   +3 more
semanticscholar   +1 more source

Halide Perovskite: A Promising Candidate for Next‐Generation X‐Ray Detectors

open access: yesAdvanced Science, 2023
In the past decade, metal halide perovskite (HP) has become a superstar semiconductor material due to its great application potential in the photovoltaic and photoelectric fields.
Ya Wu   +4 more
doaj   +1 more source

Influence of jaw setting in the determination of stereotactic small-field output factors with different detectors

open access: yesJournal of Medical Physics, 2022
Background: The experimental determination of relative output factors presents the greatest challenge, especially for small fields with different detectors. The aim of this study is to evaluate the influence of jaw positions on small-field output factors
Seby George   +4 more
doaj   +1 more source

Metal Halide Perovskites for X-ray Imaging Scintillators and Detectors

open access: yes, 2021
Radiation detection, using materials to convert high-energy photons to low-energy photons (X-ray imaging) or electrical charges (X-ray detector), has become essential for a wide range of applicatio...
Yang Zhou   +3 more
semanticscholar   +1 more source

Evaluating the Performance of Various Detectors in the Small Field Size by 6 MV Linac [PDF]

open access: yesIranian Journal of Medical Physics, 2023
Introduction: We present a comprehensive evaluation of three different dosimeters in 6 MV flattening filter-free beam (FFF) under charged particle dis-equilibrium conditions.
Saed Al atawneh
doaj   +1 more source

Improved Reconstruction Technique for Moiré Imaging Using an X-Ray Phase-Contrast Talbot–Lau Interferometer

open access: yesJournal of Imaging, 2018
X-ray phase-contrast imaging is a promising method for medical imaging and non-destructive testing. Information about the attenuation, small-angle scattering and phase-shifting properties of an object can be gained simultaneously in three image ...
Maria Seifert   +8 more
doaj   +1 more source

Development of a high-performance readout circuit for photoelectric detectors

open access: yesAIP Advances, 2020
A high-performance readout circuit for photoelectric detectors is developed in this paper to achieve high-speed low-noise image detection. Here, the W/L ratio of the first-stage P-type following transistor is reduced to decrease the parasitic capacitance
Honghui Yuan, Yongping Chen
doaj   +1 more source

Response of resonant gravitational wave detectors to damped sinusoid signals [PDF]

open access: yes, 2007
Till date, the search for burst signals with resonant gravitational wave (GW) detectors has been done using the δ-function approximation for the signal, which was reasonable due to the very small bandwidth of these detectors.
Astone, P.   +4 more
core   +1 more source

Microwave Power Detection With Voltage-Gated Graphene

open access: yesIEEE Open Journal of Nanotechnology, 2020
Commercially available, chemical vapor deposition grown, graphene has been used to realize voltage-gate tunable, microwave power detectors. Corbino disc structures with chrome/gold contacts have been fabricated on top of graphene deposited on P-type ...
Michael R. Gasper   +4 more
doaj   +1 more source

Performance Assessment of Feature Detection Algorithms: A Methodology and Case Study on Corner Detectors [PDF]

open access: yes, 2003
In this paper we describe a generic methodology for evaluating the labeling performance of feature detectors. We describe a method for generating a test set and apply the methodology to the performance assessment of three well-known corner detectors: the
Rockett, Peter
core   +1 more source

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