Showing 221 - 240 results of 305 for search '"The Phantom"', query time: 0.05s Refine Results
  1. 221

    Conformal design of a 60 GHz textile based self-complementary antenna for wireless body area network by H.M. Arifur Rahman, Md. Nakib Alam Shovon, Mohammad Monirujjaman Khan

    Published 2025-03-01
    “…The newly proposed conformal antenna has then been tested on a virtually created human torso phantom to carry out its human on-body performance check. …”
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  2. 222

    RF communication between dual band implantable and on body antennas for biotelemetry application by Yara A. Kamel, Hesham A. Mohamed, Hala ELsadek, Hadia M. ELhennawy

    Published 2025-02-01
    “…This antenna is designed and dissected in a homogeneous skin model (HSM) as well as a three-layer phantom. On the other hand, the wide-band receiving antenna is designed on flexible material for patients’ comfort with a compact size of 134.6 ( $$20\times 26.5\times 0.254$$ ) $$\hbox {mm}^3$$ . …”
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  3. 223

    Optimized radiofrequency shimming using low-heating B1+-mapping in the presence of deep brain stimulation implants: Proof of concept. by Maryam Arianpouya, Benson Yang, Fred Tam, Clare E McElcheran, Simon J Graham

    Published 2024-01-01
    “…A two-step optimization algorithm is proposed and examined for a cylindrical phantom with an implanted wire to enable 1) robust B1+ mapping with low localized heating; and 2) robust RF shimming PTX with low localized heating and good B1+ homogeneity over a large imaging volume. …”
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  4. 224

    An Isothermal Sorption Model Based on the Flory-Huggins Theory: Application to Analyze Water Sorption of Wheat Flour by Wangming LI, Rongkun MA, Qingchao JIA, Na XU, Xinxin KONG, Xiaoxiao WEI

    Published 2025-01-01
    “…In addition, the contribution of elasticity effect to chemical potential of water was also included into the model and calculated based the phantom model of rubber elasticity theory. Water adsorption and desorption isotherms of wheat flour were determined using a dynamic vapor sorption system at 20, 30 and 40 ℃, and adopted to validate the proposed model. …”
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  5. 225

    Multislice B1 Mapping Method Using Magnetic Resonance Composite Spin Echo Sequences and Simultaneous Echo Refocusing by Suchit Kumar, Kyu Chan Lee, Jong-Min Kim, Jeung-Hoon Seo, Chulhyun Lee, Chang-Hyun Oh

    Published 2023-01-01
    “…In addition, the proposed B1 mapping methods were compared to the multislice iterative signal intensity mapping method in both phantom and in vivo human experiments, and there was no remarkable difference between the two methods regarding the flip angle distribution in these experiments. …”
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  6. 226

    A Monte Carlo simulation study of the impact of increasing the axial field of view on PET scanner sensitivity with various scintillating crystals by El Ouaridi Abdallah, Ait Elcadi Zakaria, Mkimel Mounir, Bougteb Mustapha, El Baydaoui Redouane

    Published 2025-01-01
    “…A standard PET system model with an AFOV of 15.9 cm was developed using the GATE Monte Carlo simulation toolkit (v9.2), along with detailed modelling of the NEMA NU 2-2018 sensitivity phantom. Simulations examined six scintillation materials (BGO, GSO, LSO, LYSO, LuAP, and NaI) across AFOV sizes from 15.9 cm to 79.5 cm. …”
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  7. 227

    Dual-Source CT Angiography of Peripheral Arterial Stents: In Vitro Evaluation of 22 Different Stent Types by Michael Köhler, Matthias C. Burg, Alexander C. Bunck, Walter Heindel, Harald Seifarth, David Maintz

    Published 2011-01-01
    “…Methods and Materials. 22 stents (nitinol, steel, cobalt-alloy, tantalum, platinum alloy) were examined in a vessel phantom. All stents were imaged in axial orientation with standard parameters. …”
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  8. 228

    Evaluation of myQA SRS detector for the stereotactic treatment plan verification by K. Vilchynska, O. Bezshyyko, V. Vashchyshyn, L. Golinka-Bezshyyko, R. Zelinskyi

    Published 2024-12-01
    “…Quality assurance of the patient-specific treatment plan is often performed prior to treatment, when beams are delivered to the phantom and radiation doses are checked compared to the doses provided in the treatment planning system. …”
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  9. 229

    The Plasticity of Brain Gray Matter and White Matter following Lower Limb Amputation by Guangyao Jiang, Xuntao Yin, Chuanming Li, Lei Li, Lu Zhao, Alan C. Evans, Tianzi Jiang, Jixiang Wu, Jian Wang

    Published 2015-01-01
    “…However, the extent of structural changes after lower limb amputation in patients without phantom pain remains uncertain. We studied 17 adult patients with right lower limb amputation and 18 healthy control subjects using T1-weighted magnetic resonance imaging and diffusion tensor imaging. …”
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  10. 230

    Harnessing distributed GPU computing for generalizable graph convolutional networks in power grid reliability assessments by Somayajulu L.N. Dhulipala, Nicholas Casaprima, Audrey Olivier, Bjorn C. Vaagensmith, Timothy R. McJunkin, Ryan C. Hruska

    Published 2025-01-01
    “…We introduced the concept of phantom nodes to consider disparate grid topologies with a varying number of nodes and lines. …”
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  11. 231

    Impact of the Balloon Inflation Time and Pattern on the Coronary Stent Expansion by Jarosław Skowroński, Rafał Wolny, Jan Jastrzębski, Paweł Tyczyński, Karol Szlazak, Jerzy Pręgowski, Gary S. Mintz, Karolina Liżewska, Wojciech Świeszkowski, Zbigniew Chmielak, Adam Witkowski

    Published 2019-01-01
    “…Validation of OCT and IVUS measurements using a phantom metallic tube showed perfect reproducibility with OCT and overestimation with IVUS (8% for diameters and 16% for CSA). …”
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  12. 232

    Research on Function Family of Large Bending Model Based on Mechanics for Cannula Flexible Needle by Yan-Jiang Zhao, Yan-Yi Pei, He Zhang, Yin Chen, Ji-Long Lu

    Published 2024-01-01
    “…In order to validate the proposed function family, the insertion experiments in the phantom tissues were conducted. The results showed that the mean errors were 0.98 mm and 1.02 mm, the maximum errors were 1.43 mm and 1.53 mm, and the root mean square errors were 0.45mm and 0.51mm, respectively for two cases of the stylet extension lengths, fulfilling the required accuracy for the ordinary clinical surgery, which proves the rationality and accuracy of the proposed method.…”
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  13. 233

    Feasibility Study of an Alcohol-Based Liquid Scintillation Detector and Its Application by Byoung Chan Kim, Ji Young Choi, Kyung Kwang Joo, Seon Yeong Park, Ye Sung Song, Hee Jin Woo

    Published 2021-01-01
    “…The measurement results were compared with a Monte Carlo simulation, Novalis Tx, a phantom, and a CT image. In the near future, the new alcohol-based liquid scintillator could be used for particle detector or medical imaging applications.…”
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  14. 234

    The effect of resizing on the natural appearance of scintigraphic images: an image similarity analysis by Siraj Ghassel, Amir Jabbarpour, Jochen Lang, Eric Moulton, Eric Moulton, Ran Klein, Ran Klein, Ran Klein, Ran Klein

    Published 2025-02-01
    “…Background and objectiveThis study aimed to assess the impact of upsampling and downsampling techniques on the noise characteristics and similarity metrics of scintigraphic images in nuclear medical imaging.MethodsA physical phantom study using dynamic imaging was used to generate reproducible static images of varying count statistics. …”
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  15. 235

    Towards a Noninvasive Intracranial Tumor Irradiation Using 3D Optical Imaging and Multimodal Data Registration by R. Posada, Ch. Daul, D. Wolf, P. Aletti

    Published 2007-01-01
    “…Results obtained for a phantom show that the mean positioning error of tumors on the treatment machine isocentre is 0.4 mm. …”
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  16. 236

    Annotated review of the mammal fauna in the Chornobyl Biosphere Reserve as of 2023 by Sergii Gashchak

    Published 2024-12-01
    “…Nine species are considered to be phantom species, meaning that they are known from neighbouring areas but have not been found in the Reserve. …”
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  17. 237

    Battle of the axes: simulation-based assessment of fine needle aspiration biopsies for thyroid nodules by Shireen Samargandy, Justine Philteos, Mirko Manojlovic Kolarski, Jason Xu, Eric Monteiro, Allan Vescan

    Published 2022-08-01
    “…Design A longitudinal prospective cohort study, completed from December 2018 to November 2019, using the Blue Phantom Thyroid Model© for UGFNA. Face and construct validity of the model were verified. …”
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  18. 238

    Assessment of a Low-Cost Ultrasound Pericardiocentesis Model by Marco Campo dell'Orto, Dorothea Hempel, Agnieszka Starzetz, Armin Seibel, Ulf Hannemann, Felix Walcher, Raoul Breitkreutz

    Published 2013-01-01
    “…During training courses of focused echocardiography n=67, participants tested the phantom and completed a 16-item questionnaire, assessing the model using a visual analogue scale (VAS). …”
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  19. 239

    Mitochondria-Targeting and Oxygen Self-Supplying Eccentric Hollow Nanoplatform for Enhanced Breast Cancer Photodynamic Therapy by Jing Li, Yu Wang, Jun Tao, Xiaodan Su, Feipeng Zhu, Wei Lu, Xiaolin Han, Meng Dang, Lixing Weng

    Published 2024-01-01
    “…The EHMONs-Ce6-CTPP@PFCs with oxygen-carrying ability can alleviate hypoxia after entering in the cancer cell. Phantom and cellular experiments show that the EHMONs-Ce6-CTPP@PFCs produce more singlet oxygen reactive oxygen species (ROSs). …”
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  20. 240

    Energy-Efficient and Trust-Based Autonomous Underwater Vehicle Scheme for 6G-Enabled Internet of Underwater Things by Altaf Hussain, Shuaiyong Li, Tariq Hussain, Razaz Waheeb Attar, Ahmed Alhomoud, Reem Alsagri, Khalid Zaman

    Published 2025-01-01
    “…It integrates a trust management framework that enhances communication security through node identification and verification mechanisms utilizing normal and phantom nodes. Furthermore, a 6G communication module is deployed to reduce network delay and enhance packet delivery, contributing to more efficient data transmission. …”
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    Article