A minimum SNR criterion for computed tomography object detection in the projection domain.
Sign Up to like & getrecommendations! Published in 2022 at "Medical physics"
DOI: 10.1002/mp.15832
Abstract: BACKGROUND A common rule of thumb for object detection is the Rose criterion, which states that a signal must be five standard deviations above background to be detectable to a human observer. The validity of… read more here.
Keywords: snr; projection; methodology; object detection ... See more keywords
Improved stimulated echo in diffusion magnetic resonance imaging: introducing a π pulse for SNR enhancement
Sign Up to like & getrecommendations! Published in 2019 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.27653
Abstract: Anomalous diffusion in biological tissues can be examined by diffusion MRI for various applications, including tumor diagnosis and measurement of brain fiber pathways. However, the measurement of anomalous diffusion requires high b‐values for the diffusion… read more here.
Keywords: diffusion; magnetic resonance; stimulated echo; improved stimulated ... See more keywords
Romer‐EPTI: Rotating‐view motion‐robust super‐resolution EPTI for SNR‐efficient distortion‐free in‐vivo mesoscale diffusion MRI and microstructure imaging
Sign Up to like & getrecommendations! Published in 2024 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.30365
Abstract: To overcome the major challenges in diffusion MRI (dMRI) acquisition, including limited SNR, distortion/blurring, and susceptibility to motion artifacts. read more here.
Keywords: epti; romer epti; diffusion mri; distortion ... See more keywords
Comparison of different compressed sensing algorithms for low SNR 19F MRI applications—Imaging of transplanted pancreatic islets and cells labeled with perfluorocarbons
Sign Up to like & getrecommendations! Published in 2017 at "NMR in Biomedicine"
DOI: 10.1002/nbm.3776
Abstract: Transplantation of pancreatic islets is a possible treatment option for patients suffering from Type I diabetes. In vivo imaging of transplanted islets is important for assessment of the transplantation site and islet distribution. Thanks to… read more here.
Keywords: compressed sensing; 19f mri; pancreatic islets; snr ... See more keywords
Accelerated 2D Laplace NMR of porous media with compressed sensing at low SNR
Sign Up to like & getrecommendations! Published in 2019 at "Microporous and Mesoporous Materials"
DOI: 10.1016/j.micromeso.2019.109666
Abstract: Abstract Multidimensional Laplace NMR methods can provide insights into pore structures and confined fluid information. However, these methods are time-consuming and could be accelerated. In this research, we shorten the measurement time for T2–T2, D–T2,… read more here.
Keywords: snr accelerated; laplace nmr; sensing low; snr ... See more keywords
Effects of proximity and noise level of phased array coil elements on overall signal-to-noise in parallel MR spectroscopy.
Sign Up to like & getrecommendations! Published in 2018 at "Magnetic resonance imaging"
DOI: 10.1016/j.mri.2017.12.001
Abstract: Parallel imaging using phased array coils facilitates accelerated magnetic resonance imaging (MRI) and spectroscopy (MRS). Parallel data reconstruction requires the combination of data from individual coil elements, but limited combination algorithms currently exist for higher-order… read more here.
Keywords: coil elements; phased array; coil; spectroscopy ... See more keywords
Diprotodon on the sky. The Large Galactic Supernova Remnant (SNR) G278.94+1.35
Sign Up to like & getrecommendations! Published in 2024 at "Publications of the Astronomical Society of Australia"
DOI: 10.1017/pasa.2024.93
Abstract: Abstract We present a re-discovery of G278.94+1.35a as possibly one of the largest known Galactic supernova remnants (SNRs) – that we name Diprotodon. While previously established as a Galactic SNR, Diprotodon is visible in our… read more here.
Keywords: snr; diprotodon sky; g278; galactic supernova ... See more keywords
Imaging characteristics of intravascular spherical contrast agents for grating-based x-ray dark-field imaging – effects of concentrations, spherical sizes and applied voltage
Sign Up to like & getrecommendations! Published in 2020 at "Scientific Reports"
DOI: 10.1038/s41598-020-66395-x
Abstract: This study investigates the x-ray scattering characteristics of microsphere particles in x-ray-grating-based interferometric imaging at different concentrations, bubble sizes and tube voltages (kV). Attenuation (ATI), dark-field (DFI) and phase-contrast (PCI) images were acquired. Signal-to-noise (SNR)… read more here.
Keywords: contrast; grating based; dark field; size ... See more keywords
Increased reliance on temporal coding when target sound is softer than the background
Sign Up to like & getrecommendations! Published in 2024 at "Scientific Reports"
DOI: 10.1038/s41598-024-54865-5
Abstract: Everyday environments often contain multiple concurrent sound sources that fluctuate over time. Normally hearing listeners can benefit from high signal-to-noise ratios (SNRs) in energetic dips of temporally fluctuating background sound, a phenomenon called dip-listening. Specialized… read more here.
Keywords: increased reliance; dip listening; snr; target ... See more keywords
Self-supervised model-informed deep learning for low-SNR SS-OCT domain transformation
Sign Up to like & getrecommendations! Published in 2025 at "Scientific Reports"
DOI: 10.1038/s41598-025-02375-3
Abstract: This article introduces a novel deep-learning based framework, Super-resolution/Denoising network (SDNet), for simultaneous denoising and super-resolution of swept-source optical coherence tomography (SS-OCT) images. The novelty of this work lies in the hybrid integration of data-driven… read more here.
Keywords: deep learning; low snr; snr; resolution ... See more keywords
Carboxyethyltin and transition metal co-functionalized tungstoantimonates composited with polypyrrole for enhanced electrocatalytic methanol oxidation.
Sign Up to like & getrecommendations! Published in 2019 at "Dalton transactions"
DOI: 10.1039/c8dt05118f
Abstract: Carboxyethyltin and first-row transition metals (TMs) were firstly introduced into trivacant Keggin-type tungstoantimonate in an aqueous solution, leading to the formation of four crystalline organic-inorganic hybrid sandwich-type polyoxometalates (POMs), formulated as Na10-x-yKyHx[((TM)(H2O)3)2(Sn(CH2)2COO)2(SbW9O33)2]·nH2O (SbW9-TM-SnR, TM =… read more here.
Keywords: oxidation; sbw9 snr; composited polypyrrole; spectroscopy ... See more keywords