Results 21 to 30 of about 536,964 (293)
Photon statistics and signal to noise ratio for incoherent diffraction imaging
New Journal of Physics, 2020 Intensity interferometry is a well known method in astronomy. Recently, a related method called incoherent diffractive imaging (IDI) was proposed to apply intensity correlations of x-ray fluorescence radiation to determine the 3D arrangement of the ...
Fabian Trost +2 more
doaj +1 more source
Consideration of signal to noise ratio for an imaging bolometer for ITER
Review of Scientific Instruments, 2021 An infrared imaging video bolometer (IRVB) is proposed for ITER having a tangential view of the entire ITER cross section. For the initial estimate of the signal level, a 840 m3 plasma is assumed to uniformly radiate 67.3 MW. A more detailed estimate of the signal strength is provided by synthetic images based on radiation data from SOLPS and SANCO ...
Byron J. Peterson +4 more
openaire +2 more sources
Lowering the thermal noise barrier in functional brain mapping with magnetic resonance imaging
Nature Communications, 2021 The signal-to-noise ratio is a key consideration when selecting a magnetic resonance imaging protocol. Thermal noise is major issue, especially in high resolution functional images.
Luca Vizioli +6 more
doaj +1 more source
Sensors, 2023 A stochastic model for characterizing the conversion gain of Active Pixel Complementary metal–oxide–semiconductor (CMOS) image sensors (APS), assuming stationary conditions was recently presented in this journal.
Gil Cherniak +3 more
doaj +1 more source
Signal to Noise Ratio as a Cross-Platform Metric for Intraoperative Fluorescence Imaging
Molecular Imaging, 2020 Real-time molecular imaging to guide curative cancer surgeries is critical to ensure removal of all tumor cells; however, visualization of microscopic tumor foci remains challenging.
Asmaysinh Gharia BA +4 more
doaj +1 more source
Advanced Science, 2023 The signal‐to‐noise ratio (SNR) is one of the key features of a fluorescent probe and one that often defines its potential utility for in vivo labeling and analyte detection applications.
Yongkang Yue +9 more
doaj +1 more source
Objective and efficient terahertz signal denoising by transfer function reconstruction [PDF]
, 2020 As an essential processing step in many disciplines, signal denoising efficiently improves data quality without extra cost. However, it is relatively under-utilized for terahertz spectroscopy.
Chen, Xuequan +3 more
core +1 more source
Results in Physics, 2023 In this work, it is demonstrated that metamaterial lenses can help to increase the signal-to-noise ratio of magnetic resonance imaging coils in low-field magnetic resonance imaging systems.
Manuel J. Freire +2 more
doaj +1 more source
Signal to Noise Ratio in Lensless Compressive Imaging
CoRR, 2014 We analyze the signal to noise ratio (SNR) in a lensless compressive imaging (LCI) architecture. The architecture consists of a sensor of a single detecting element and an aperture assembly of an array of programmable elements. LCI can be used in conjunction with compressive sensing to capture images in a compressed form of compressive measurements. In
Hong Jiang 0002 +2 more
openaire +2 more sources
A Few Photons Among Many: Unmixing Signal and Noise for Photon-Efficient Active Imaging [PDF]
, 2016 Conventional LIDAR systems require hundreds or thousands of photon detections to form accurate depth and reflectivity images. Recent photon-efficient computational imaging methods are remarkably effective with only 1.0 to 3.0 detected photons per pixel ...
Goyal, Vivek K, Rapp, Joshua
core +1 more source