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2023 CAP Congress / Congrès de l'ACP 2023

18–23 Jun 2023
University of New Brunswick
America/Halifax timezone
Welcome to the 2023 CAP Congress Program website! / Bienvenue au siteweb du programme du Congrès de l'ACP 2023!

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Session

(DPMB) M2-3 MRI I | MRI I (DPMB)

M2-3
19 Jun 2023, 14:00
University of New Brunswick

University of New Brunswick

Conveners

(DPMB) M2-3 MRI I | MRI I (DPMB)

  • Charlie Mackenzie

Presentation materials

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  1. 3965. (I) Machine Learning in Magnetic Resonance Imaging
    Dan Xiao (University of Windsor)
    19/06/2023, 14:00
    Physics in Medicine and Biology / Physique en médecine et en biologie (DPMB-DPMB)
    Invited Speaker / Conférencier(ère) invité(e)

    Magnetic resonance imaging (MRI) is well known as a non-invasive diagnostic imaging technique available to clinical medicine. MRI provides high spatial resolution images with flexible soft tissue contrast as the signal encoding is more complicated than other imaging modalities.
    Machine learning, especially deep learning, has become a popular research topic to solve nonlinear problems. It has...

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  2. 3593. (G*) Deep-Learning Based segmentation of 3D Isotropic Hyperpolarized 129 Xe Lung MRI for Generating vADC for a Large Patient Population Studied with The Use of Transfer learning
    Ramtin Babaeipour (The University of Western Ontario)
    19/06/2023, 14:30
    Physics in Medicine and Biology / Physique en médecine et en biologie (DPMB-DPMB)
    Oral Competition (Graduate Student) / Compétition orale (Étudiant(e) du 2e ou 3e cycle)

    Introduction: Hyperpolarized 129Xe lung MRI is an efficient technique used to investigate and assess pulmonary diseases. However, the longitudinal observation of the emphysema progression using hyperpolarized gas MRI-based Apparent Diffusion Coefficient (ADC) can be problematic, as the disease-progression can lead to increasing unventilated-lung areas, which likely excludes the largest ADC...

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  3. 3600. (G*) A PoC study of in-vivo Simultaneous Hyperpolarized 129Xe MRI and [15O]-water PET Measurements
    Ramanpreet Sembhi (The University of Western Ontario)
    19/06/2023, 14:45
    Physics in Medicine and Biology / Physique en médecine et en biologie (DPMB-DPMB)
    Oral Competition (Graduate Student) / Compétition orale (Étudiant(e) du 2e ou 3e cycle)

    INTRODUCTION: A non-invasive imaging technique inhaled hyperpolarized (HP) 129Xe magnetic resonance imaging (MRI) is presently employed to assess lung structure and function1. It is possible to quantify the ventilation/perfusion (V/P) of the lungs simultaneously using this MRI technique because the solubility of xenon in lung tissues is higher compared to other imaging gases. This measurement...

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  4. 3589. (G*) Accelerated 2D Multislice MRI with Hyperpolarized 129Xe in Human Lungs
    Samuel Perron (University of Western Ontario)
    19/06/2023, 15:00
    Physics in Medicine and Biology / Physique en médecine et en biologie (DPMB-DPMB)
    Oral Competition (Graduate Student) / Compétition orale (Étudiant(e) du 2e ou 3e cycle)

    Introduction: It has recently been shown1,2 that combining Compressed-Sensing with the Stretched-Exponential Model (SEM) can significantly increase SNR of accelerated/undersampled MR images. The reconstruction uses an exponentially decaying signal trend across a group of images assumed to represent the decaying density of resonant isotope in lungs after each wash-out breath....

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