Showing 121 - 140 results of 305 for search '"The Phantom"', query time: 0.06s Refine Results
  1. 121

    Impacts of Filtration on Contrast-Detail Detectability of an X-ray Imaging System

    Published 2006-01-01
    “…The corresponding X-ray spectra and contrast-detail detectabilities were measured using two phantoms of different thicknesses simulating breast tissue under different exposures. …”
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  2. 122

    Perceptual Disturbances and Disorders in the ICD-11: An Overview and a Proposal for Systematic Classification by Berthold Langguth, Michael Landgrebe, Dirk De Ridder

    Published 2025-01-01
    “…These can manifest as distorted perceptions or as phantom perceptions and can occur in all sensory modalities as visual, auditory, olfactory, gustatory tactile, vestibular, proprioceptory or interoceptory disturbances. …”
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  3. 123

    Calculation of Involved and Noninvolved Organs Doses in Carbon Therapy of Brain Tumor Using GEANT4 Simulation Toolkit by Maria Ahmadi, Seyed Mohammad Motevalli, Payvand Taherparvar, Vahid zanganeh

    Published 2024-10-01
    “…Introduction: This study used the GEANT4 Monte Carlo toolkit for radiation transport simulations in brain carbon therapy, incorporating a human phantom model to accurately assess dose delivery to targeted and non-targeted organs. …”
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  4. 124

    Use of a Ray-Based Reconstruction Algorithm to Accurately Quantify Preclinical MicroSPECT Images by Bert Vandeghinste, Roel Van Holen, Christian Vanhove, Filip De Vos, Stefaan Vandenberghe, Steven Staelens

    Published 2014-06-01
    “…This was investigated with an extensive phantom-based evaluation and two typical in vivo studies using 99m Tc and 111 In, measured on a commercially available cadmium zinc telluride (CZT)-based small-animal scanner. …”
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  5. 125

    Comparison of Low-Pass Filters for SPECT Imaging by Inayatullah S. Sayed, Siti S. Ismail

    Published 2020-01-01
    “…SPECT data were acquired by scanning a phantom with an insert composed of hot and cold regions. …”
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  6. 126

    Smooth Crossing of wΛ=−1 Line in a Single Scalar Field Model by Abhik Kumar Sanyal

    Published 2009-01-01
    “…Smooth double crossing of the phantom divide line wΛ=−1 has been found possible with a single minimally coupled scalar field for the most simple form of generalized k-essence cosmological model, in the presence of background cold dark matter. …”
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  7. 127

    Volumetric hyperthermia delivery using the ExAblate Body MR-guided focused ultrasound system by Kisoo Kim, Pragya Gupta, Kazim Narsinh, Chris J. Diederich, Eugene Ozhinsky

    Published 2024-12-01
    “…To demonstrate the feasibility of volumetric hyperthermia in the system, a tissue-mimicking phantom was sonicated with two distinct spots through mechanical transducer movement and sector-vortex beamforming. …”
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  8. 128

    Magnetic Resonance Imaging of Mammalian Cells Individually Expressing Membrane-Associated Magnetosome Proteins I, L, B, and E by Qin Sun PhD, Gabriel Varela-Mattatall PhD, Prushoth Vivekanantha PhD, Moeiz Ahmed PhD, Salvan Hassan PhD, Selinia Hong PhD, Neil Gelman PhD, R. Terry Thompson PhD, Frank S. Prato PhD, Donna E. Goldhawk PhD

    Published 2024-10-01
    “…We examined the influence of these genes on cellular MRI relaxation rates by culturing cells in the presence and absence of iron-supplemented medium and scanning them at 3 Tesla using a gelatin phantom. Total cellular iron was measured by inductively-coupled plasma mass spectrometry and correlated with relaxation rates obtained from phantom experiments. …”
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  9. 129

    Dynamics of Mixed Dark Energy Domination in Teleparallel Gravity and Phase-Space Analysis by Emre Dil, Erdinç Kolay

    Published 2015-01-01
    “…Here we propose a mixed dark energy domination which is constituted by tachyon, quintessence, and phantom scalar fields nonminimally coupled to gravity, in the absence of background dark matter and baryonic matter, in the framework of teleparallel gravity. …”
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  10. 130

    Magnetic resonance thermometry for hyperthermia in the oropharynx region by Theresa V. Feddersen, Juan A. Hernandez-Tamames, Margarethus M. Paulides, Michiel Kroesen, Gerard C. van Rhoon, Dirk H.J Poot

    Published 2024-12-01
    “…A 3D-ME-FGRE sequence was used in a phantom cooling down and around the oropharynx of five volunteers over ∼75 min. …”
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  11. 131

    A Fusion Method of Gabor Wavelet Transform and Unsupervised Clustering Algorithms for Tissue Edge Detection by Burhan Ergen

    Published 2014-01-01
    “…The proposed methods are tested using medical images obtained through Computed Tomography (CT) and Magnetic Resonance Imaging (MRI) devices, and a phantom image. The results prove that the proposed methods are successful for edge detection, even in noisy cases.…”
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  12. 132

    Les Dynastes de Thomas Hardy : une poétique spectrale à l’œuvre contre la guerre by Annie Escuret

    Published 2007-12-01
    “…The living-dead, the phantom, the spectre appear in Derrida’s Specters of Marx (1993) but these concepts also appear in Freud’s notion of « The Uncanny », Foucault’s categories of silence and unspeakability or Kristeva’s definition of the abject. …”
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  13. 133

    Cosmological Dynamics of a Hybrid Chameleon Scenario by Kourosh Nozari, Narges Rashidi

    Published 2013-01-01
    “…We show that the hybrid chameleon domination solution is a stable attractor and the universe in this setup experiences a phantom divide crossing.…”
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  14. 134

    Pius Adesanmi: The Man Who Leaves and Lives by Toyin Falola

    Published 2021-12-01
    “… Death, captured in a box suspended in mid-air slowly ascending to land on a rock too far to see. The phantom is bold killing the scion of creativity and talent.  …”
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  15. 135

    Adaptive Neuro-Fuzzy Inference System guided objective function parameter optimization for inverse treatment planning by Eduardo Cisternas Jiménez, Fang-Fang Yin, Fang-Fang Yin, Fang-Fang Yin

    Published 2025-02-01
    “…Results demonstrate that ANFIS consistently met dosimetric goals, outperforming FIS with a 0.7% improvement in mean dose conformity for the planning target volume (PTV) and a 28% reduction in mean dose exposure for organs at risk (OARs) in a C-Shape phantom. In a mock prostate phantom, ANFIS reduced the mean dose by 17.4% for the rectum and by 14.1% for the bladder. …”
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  16. 136

    Photon-counting-detector CT outperforms state-of-the-art cone-beam and energy-integrated-detector CT in delineation of dental root canals by Stephan Rau, Martin Peter Pichotka, Alexander Rau, Marco Reisert, Markus Jörg Altenburger, Rainer Schmelzeisen, Fabian Cieplik, Fabian Bamberg, Maximilian Frederik Russe, Wiebke Semper-Hogg

    Published 2025-01-01
    “…Abstract This experimental phantom study investigates current standard of care protocols in cone beam computed tomography (CBCT), energy-integrating-detector (EID) CT, and photon-counting-detector (PCD) CT regarding their potential in delineation of dental root canals. …”
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  17. 137

    AI-based automatic patient positioning in a digital-BGO PET/CT scanner: efficacy and impact by John A. Kennedy, Tala Palchan-Hazan, Zohar Keidar

    Published 2025-01-01
    “…Off-centering measurements were validated by a phantom study. Results The phantom validation study gave < 1.6 mm error in 15 off-centering measurements. …”
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  18. 138

    Tsallis Holographic Dark Energy with Granda-Oliveros Scale in (n+1)-Dimensional FRW Universe by Ayman A. Aly

    Published 2019-01-01
    “…Our results show that the universe is in an accelerating expansion mode described by phantom-like behavior. We go further and study the state finder operators and the Om diagnostic to understand the behavior of our model. …”
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  19. 139

    Homemade Inflation Risks by Stefan Kooths

    Published 2022-06-01
    “…With no corresponding production of goods and services, these phantom incomes are by their very nature inflationary. …”
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  20. 140

    Deep-learning based electromagnetic navigation system for transthoracic percutaneous puncture of small pulmonary nodules by Muyun Peng, Xinyi Fan, Qikang Hu, Xilong Mei, Bin Wang, Zeyu Wu, Huali Hu, Lei Tang, Xinhang Hu, Yanyi Yang, Chunxia Qin, Huajie Zhang, Qun Liu, Xiaofeng Chen, Fenglei Yu

    Published 2025-01-01
    “…We compared the performance of DL-EMNS and conventional CT-guided methods in percutaneous lung punctures using phantom and animal models. In the phantom study, the DL-EMNS group showed a higher technical success rate (95.6% vs. 77.8%, p = 0.027), smaller error (1.47 ± 1.62 mm vs. 3.98 ± 2.58 mm, p < 0.001), shorter procedure duration (291.56 ± 150.30 vs. 676.44 ± 246.12 s, p < 0.001), and fewer number of CT acquisitions (1.2 ± 0.66 vs. 2.93 ± 0.98, p < 0.001) compared to the traditional CT-guided group. …”
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