Results 11 to 20 of about 533,442 (291)
مجلة بغداد للعلوم, 2023 Examining and comparing the image quality of degenerative cervical spine diseases through the application of three MRI sequences; the Two-Dimension T2 Weighed Turbo Spin Echo (2D T2W TSE), the Three-Dimension T2 Weighted Turbo Spin Echo (3D T2W TSE ...
Nabaa A. Rasheed Naji
doaj +1 more source
Diagnostics, 2023 Purpose: The novel photon-counting detector (PCD) technique acquires spectral data for virtual monoenergetic imaging (VMI) in every examination. The aim of this study was the evaluation of the impact of VMI of abdominal arterial vessels on quantitative ...
Daniel Dillinger +8 more
doaj +1 more source
SNR study on Fourier single-pixel imaging
New Journal of Physics, 2021 According to the properties of Fourier transform, Fourier single-pixel imaging uses the illumination lights with cosine distributions to obtain the Fourier spectrum of the object, and then apply the inverse Fourier transform to reconstruct the spatial ...
Rui Li +10 more
doaj +1 more source
An adaptive bitonic filtering based edge fusion algorithm for Gaussian denoising
International Journal of Cognitive Computing in Engineering, 2022 It is broadly recognized that conserving the essential geometrical features of an image is crucial while denoising it. To accomplish this aim, various denoising techniques have been represented in the literature.
Bhawna Goyal +3 more
doaj +1 more source
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
Improvement of the signal to noise ratio for fluorescent imaging in microfluidic chips
Scientific Reports, 2022 Microfluidics systems can be fabricated in various ways using original silicon glass systems, with easy Si processing and surface modifications for subsequent applications such as cell seeding and their study.
Xiaocheng Liu +4 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
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
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
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