Showing 41 - 60 results of 305 for search '"The Phantom"', query time: 0.07s Refine Results
  1. 41

    Evaluation of a BGO-Based PET System for Single-Cell Tracking Performance by Simulation and Phantom Studies by Yu Ouyang PhD, Tae Jin Kim PhD, Guillem Pratx PhD

    Published 2016-05-01
    “…Tracking with the Genisys4 was then validated using a physical phantom of helically moving [ 18 F] fluorodeoxyglucose-in-oil droplets (< 0.24 mm diameter, 139-296 Bq), yielding < 1 mm localization error under the tested conditions, with good agreement between simulated sensitivity and measured activity (Pearson correlation R = .64, P << .05 in a representative example). …”
    Get full text
    Article
  2. 42

    Snapshot Imaging of Stokes Vector Polarization Speckle in Turbid Optical Phantoms and <i>In Vivo</i> Tissues by Daniel C. Louie, Carla Kulcsar, Héctor A. Contreras-Sánchez, W. Jeffrey Zabel, Tim K. Lee, Alex Vitkin

    Published 2025-01-01
    “…System design and calibration methods are presented, and representative images from measurements on liquid phantoms (microsphere suspensions) and <i>in vivo</i> healthy and tumor murine models are demonstrated and discussed. …”
    Get full text
    Article
  3. 43

    Optimization of Dual-energy Spectral Lower-extremity Computed Tomography Venography Scanning Protocol: Phantom Study by Shigeng WANG, Renwang PU, Yijun LIU, Xin FANG, Wei WEI, Beibei LI

    Published 2025-01-01
    “…Objective: To optimize a scanning protocol for dual-energy spectral lower-extremity computed tomography venography (CTV) based on a phantom study. Methods: Test plugs were placed in the cavities of an energy CT quality-control phantom to simulate clinical scenarios. …”
    Get full text
    Article
  4. 44
  5. 45
  6. 46

    Microwave Imaging Using CMOS Integrated Circuits with Rotating 4 × 4 Antenna Array on a Breast Phantom by Hang Song, Afreen Azhari, Xia Xiao, Eiji Suematsu, Hiromasa Watanabe, Takamaro Kikkawa

    Published 2017-01-01
    “…A 1 cm3 bacon block as a cancer phantom target in a rubber substrate as a breast fat phantom can be detected with reduced artifacts.…”
    Get full text
    Article
  7. 47

    The SwiftScan step-and-shoot continuous mode improves SPECT scanning efficiency: a preliminary phantom and clinical test by Jicheng Li, Kai Zhang, Xingru Pang, Lele Huang, Xiaoxue Tian, Jiangyan Liu

    Published 2025-01-01
    “…Methods This study was composed of a phantom study and two clinical tests. The differences in visual image quality scores, coefficient of variance (COV) of the background, image signal-to-noise ratio (SNR), contrast-to-noise ratio (CNR), and recovery coefficient (RC) of the sphere were compared between SSC mode and traditional Step-and-Shoot (SS) mode in the phantom study. …”
    Get full text
    Article
  8. 48

    Gray-Level Co-Occurrence Matrix Uniformity Correction Algorithm in Positron Emission Tomographic Image: A Phantom Study by Kyuseok Kim, Youngjin Lee

    Published 2025-01-01
    “…CAIPIRINHA Dixon-VIBE was used as an MR image acquisition pulse sequence for the fast and accurate attenuation correction of PET images, and the phantom was constructed by injecting NaCl and NaCl + NiSO<sub>4</sub> solutions. …”
    Get full text
    Article
  9. 49

    Investigating the Impact of Voxel Size and Postfiltering on Quantitative Analysis of Positron Emission Tomography/Computed Tomography: A Phantom Study by Ahmed Abdel Mohymen, Hamed Ibrahim Farag, Sameh M. Reda, Ahmed Soltan Monem, Said A. Ali

    Published 2024-12-01
    “…Materials and Methods: National Electrical Manufacturers Association phantom with the spheres of different sizes were utilized to simulate the lesions. …”
    Get full text
    Article
  10. 50

    A Novel Ultrasound Thermometry Method Based on Thermal Strain and Short and Constant Acoustic Bursts: Preliminary Study in Phantoms by Omar Gachouch, Bruno Giammarinaro, Teymour Kangot, Caterina Monini, Rémi Souchon

    Published 2025-01-01
    “…Finally, experimental measurements on phantom samples were performed over the same temperature range. …”
    Get full text
    Article
  11. 51
  12. 52

    Mapping neutron biological effectiveness for DNA damage induction as a function of incident energy and depth in a human sized phantom by Alice Mentana, Virgilio Quaresima, Pavel Kundrát, Isabella Guardamagna, Leonardo Lonati, Ombretta Iaria, Andrea Previtali, Giorgia Santi Amantini, Luca Lunati, Virginia Boretti, Livio Narici, Luca Di Fino, Luca Bocchini, Claudio Cipriani, Giorgio Baiocco

    Published 2025-01-01
    “…RBE is evaluated as a function of the incident neutron energy and of the depth inside a human-sized reference spherical phantom. The adopted mechanistic approach traces neutron RBE back to its origin, i.e. neutron physical interactions with biological tissues. …”
    Get full text
    Article
  13. 53
  14. 54

    Respiratory Motion Compensation Using Diaphragm Tracking for Cone-Beam C-Arm CT: A Simulation and a Phantom Study by Marco Bögel, Hannes G. Hofmann, Joachim Hornegger, Rebecca Fahrig, Stefan Britzen, Andreas Maier

    Published 2013-01-01
    “…We observed an improvement of about 14% using the structural similarity index. In a real phantom study, using the artiCHEST phantom, we investigated the visibility of bronchial tubes in a porcine lung. …”
    Get full text
    Article
  15. 55
  16. 56
  17. 57

    Development of a 3D-Printed Chest Phantom with Simulation of Lung Nodules for Studying Ultra-Low-Dose Computed Tomography Protocols by Jenna Silberstein, Steven Tran, Yin How Wong, Chai Hong Yeong, Zhonghua Sun

    Published 2024-12-01
    “…This study aimed to 3D print a patient-specific chest phantom simulating multiple lung nodules to optimise low-dose Computed Tomography (CT) protocols for lung cancer screening. …”
    Get full text
    Article
  18. 58

    Dosimetry and Comparison between Different CT Protocols (Low Dose, Ultralow Dose, and Conventional CT) for Lung Nodules’ Detection in a Phantom by Cleverson Alex Leitão, Gabriel Lucca de Oliveira Salvador, Priscilla Tazoniero, Danny Warszawiak, Cristian Saievicz, Rosangela Requi Jakubiak, Dante Luiz Escuissato

    Published 2021-01-01
    “…To compare the detection rate of simulated lung nodules in a chest phantom using different computed tomography protocols, low dose (LD), ultralow dose (ULD), and conventional (CCT), and to quantify their respective amount of radiation. …”
    Get full text
    Article
  19. 59
  20. 60