25625: تصویربرداری پزشکی
نام درس: تصویربرداری پزشکی (Medical Imaging Systems)
شماره درس: 25625
پیش‌نیاز(ها): 25051 (اخبار و سیستم‌ها)
هم‌نیاز(ها): -
تعداد واحد: 3
مقطع: کارشناسی ارشد
آخرین ویرایش: پاییز 1391

توضیحات:
این درس به سیستم‌های تصویربرداری پزشکی می‌پردازد و مفاهیمی چون Tomography، Projection، تکنیک‌های بازسازی تصویر از Projection، فناوری CT-Scan، فناوری MRI و غیره را مورد بررسی قرار می‌دهد.
 
سرفصل‌ها:
  • Fundamentals of Medical Imaging Systems: Medical Imaging Modalities – History
  • Tomography: Concept – Basic Tomography Image Formula – Relationship between Object and Image – Fourier Representation – Approximation to find Object or Source from Images
  • Projection: Projection of a 2D object – Radon Transform - Techniques to find Projections from an Object – Examples
  • Techniques for Image Reconstruction from Projections: Projection Central Theorem – Reconstruction Formula – Cost Analysis -Simplification & Approximation – Examples
  • Fan-beam Projection: Fan-beam parameters – Relationship with Radon Transform Parameters – Reconstruction from Fan-beam Data – Computer Techniques
  • CT-Scan Technology: X-ray Production – Detector Technology – Assembly of the System
  • Interaction of EM waves with the body: Interaction of charged particles with Matter – Interaction of Energy with Matters – Photoelectric Absorption – Compton Scattering – Pair Production
  • Gamma-Ray and X-Ray Energy Detection Technology: Ionizing Chambers - Scintillation Detectors – Decreasing Detector Resolution
  • Simulation Techniques: Object Simulation – EM-wave Transmission Simulation – Detector Simulation
  • MRI Technology: Introduction to MRI – History
  • MRI Basic Physics: Force exerted from Magnetic Fields to rotating charged particles – Torque Calculation – Bloch Equation – RF Field Interaction – Relaxation Time
  • MRI Interaction with the Objects: Interaction of objects with Magnetic Field – Gradient Fields - Basic Equations
  • MRI Reconstruction Techniques: Image Reconstruction from Measurements – Cost Analysis – Frequency Encoding – Phase Encoding – K-Space Image Reconstruction.
  • Characteristics of MRI Systems: Magnet – Gradient Coils - RF coils Transmitter and Receivers
  • Electrical Impedance Tomography: Introduction – History – Block Method Approach.
  • Fundamental Equations in EIT: Block parameters and Assumption – Relationship between block parameters – Relationship between neighbors – Boundary Conditions
  • Reconstruction Techniques: System Equations – Cost Analysis – Reconstruction using Measured Data
  • PET (Positron Emission Tomography): Production of positron emitting isotope - Transport of labeled compound - Data acquisition with PET camera - Processing of data from PET camera - Interpretation of the result
  • SPECT (Single Photon Emission Computerized Tomography): System Description – Fundamental Equations – Reconstruction Techniques
     
مراجع:
  • Ch. L. Epstein, The Mathematics of Medical Imaging, 2001
  • A. C. Kak, Malcolm Slaney, Principles of Computerized Tomographic Imaging, IEEE Press, 1999
  • Mathematics and Physics of Emerging Biomedical Imaging, Academy Press, 2000
  • T. Jevremovic, Nuclear Principles in Engineering, Springer, 2005
  • Z. Liang, P. C. Lauterbur, Principles of Magnetic Resonance Imaging, IEEE Press, 2000

 
آخرین به‌روزرسانی: 21 / 4 / 1403