Sökning: "MR-only"

Hittade 2 uppsatser innehållade ordet MR-only.

  1. 1. COMPARISON OF GENERATIVE ADVERSARIAL NETWORKS IN MEDICAL IMAGING APPLICATIONS - MR to CT image synthesis

    Magister-uppsats, Umeå universitet/Institutionen för datavetenskap

    Författare :Christoffer Edlund; [2019]
    Nyckelord :;

    Sammanfattning : Cancer is one of the leading causes of death worldwide with about half of all cancer patients undergoing radiation therapy, either as a standalone treatmentor in combination with other methods such as chemotherapy. ‘The dose planning of radiation therapy is based on medical images such as CT and MR images. LÄS MER

  2. 2. Quality Assurance of the Spatial Accuracy of Large Field of View Magnetic Resonance Imaging

    Master-uppsats, KTH/Skolan för teknik och hälsa (STH)

    Författare :Fredrik Illerstam; [2014]
    Nyckelord :MRI; MR; spatial accuracy; spatial distortions; large FOV; MR-only; radiotherapy treatment planning; RTP; gradient non-linearity; B0 inhomogeneity;

    Sammanfattning : In todays Radiotherapy Treatment Planning, RTP, it is common to use Computed Tomography, CT, together with Magnetic Resonance Imaging, MRI, where CT provides electron density information and a geometrical reference, and where MRI provides superior soft tissue contrast. To sim- plify the workflow and improve treatment accuracy, research groups have demonstrated how to exclude CT and use a MRI-only approach. LÄS MER