Results 71 to 80 of about 230,662 (251)

A strategy to optimize the signal-to-noise ratio in one-coil arterial spin tagging perfusion imaging [PDF]

, 1999
Hao Lei, James Peeling
openalex   +1 more source

Signal‐to‐noise ratio and parallel imaging performance of a 16‐channel receive‐only brain coil array at 3.0 Tesla [PDF]

, 2003
Jacco A. de Zwart, Patrick J. Ledden, Peter van Gelderen, Jerzy Bodurka, Renxin Chu, Jeff H. Duyn   +5 more
openalex   +1 more source

Metamaterial‐Enabled Hybrid Receive Coil for Enhanced Magnetic Resonance Imaging Capabilities

Advanced Science
Magnetic resonance imaging (MRI) relies on high‐performance receive coils to achieve optimal signal‐to‐noise ratio (SNR), but conventional designs are often bulky and complex.
Xia Zhu, Ke Wu, Stephan W. Anderson, Xin Zhang   +3 more
doaj   +1 more source

Similarity‐oriented method for inverse synthetic aperture radar imaging with low signal‐to‐noise ratio

IET Radar, Sonar & Navigation
Noise impairs the performance of inverse synthetic aperture radar (ISAR) motion compensation, which induces severe defocusing under low signal‐to‐noise ratio environments.
Xinbo Xu, Qiang Zhang, Fulin Su, Jinshan Liu, Yuan Wen, Xinfei Jin, Hongxu Li   +6 more
doaj   +1 more source

Improved Excitation Light Rejection Enhances Small-Animal Fluorescent Optical Imaging

Molecular Imaging, 2005
Small-animal fluorescence-enhanced imaging involves the detection of weak fluorescent signals emanating from nanomolar to picomolar concentrations of exogenous or endogenously produced fluorophore concurrent with the rejection of an overwhelmingly large ...
Kildong Hwang, Jessica P. Houston, John C. Rasmussen, Amit Joshi, Shi Ke, Chun Li, Eva M. Sevick-Muraca   +6 more
doaj   +1 more source

Open-loop narrowband magnetic particle imaging based on mixed-frequency harmonic magnetization response

Frontiers in Medical Technology
IntroductionMagnetic particle imaging (MPI), a radiation-free, dynamic, and targeted imaging technique, has gained significant traction in both research and clinical settings worldwide.
Hongli Yu, Ping Huang, Xiting Peng, Zheyan Wang, Zhichuan Qiu, Kewen Li, Tianshu Li, Zhiyao Liu, Hao Cui, Shi Bai   +9 more
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Laser Illumination Adjustments for Signal-to-Noise Ratio and Spatial Resolution Enhancement in Static 2D Chemical Images of NbOx/IGZO/ITO/Glass Light-Addressable Potentiometric Sensors [PDF]

, 2021
C. Chen, Neelanjan Akuli, Yu‐Jen Lu, Chia‐Ming Yang   +3 more
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Flexible and wireless metasurface coils for knee and elbow MRI

European Radiology Experimental
Background Metasurface coils (MCs) are a promising magnetic resonance imaging (MRI) technology. Aiming to evaluate the image quality of MCs for knee and elbow imaging, we compared signal-to-noise ratio (SNRs) obtained in standard clinical setups. Methods
Daniel M. Düx, Robert Kowal, Lucas Knull, Simon Schröer, Othmar Belker, Dominik Horstmann, Moritz Gutt, Holger Maune, Oliver Speck, Frank Wacker, Bennet Hensen, Marcel Gutberlet   +11 more
doaj   +1 more source

Mapping of magnetic resonance imaging’s transverse relaxation time at low signal‐to‐noise ratio using Bloch simulations and principal component analysis image denoising [PDF]

, 2022
Neta Stern, Dvir Radunsky, Tamar Blumenfeld‐Katzir, Yigal Chechik, Chen Solomon, Noam Ben‐Eliezer   +5 more
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An Efficient Inverse Synthetic Aperture Imaging Approach for Non-Cooperative Space Targets under Low-Signal-to-Noise-Ratio Conditions [PDF]

, 2023
Zhijun Yang, Chengxiang Zhang, Dujuan Liang, Xin Xie   +3 more
openalex   +1 more source