Welcome! In this course learners will develop expertise in basic magnetic resonance imaging (MRI) physics and principles and gain knowledge of many different data acquisition strategies in MRI. In particular, learners will get to know what is magnetic resonance phenomenon, how magnetic resonance signals are generated, how an image can be formulated using MRI, how soft tissue contrast can change with imaging parameters. Also introduced will be MR imaging sequences of spin echo, gradient echo, fast spin echo, echo planar imaging, inversion recovery, etc.
Welcome! This first week you will be introduced to the course and key principles of mri. You will learn what is mri and the major components of mri.
What's included
2 videos1 assignment
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2 videos•Total 25 minutes
Lecture 1-1 MRI as one of the Biomedical Imaging Modalites•11 minutes
Lecture 1-2 Magnet, RF Coils, and Gradient Coils for MRI•14 minutes
1 assignment•Total 30 minutes
Quiz 1•30 minutes
2 Mag Reson Phenomenon
Module 2•1 hour to complete
Module details
This week, you will explore what is magnetic resonance phenomeon. We will also guide you to what is relaxation and how RF apply to cause magnetic resonance.
What's included
4 videos1 assignment
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4 videos•Total 45 minutes
Lecture 2-1 Signal Source of MRI•4 minutes
Lecture 2-2 Protons in the strong magnetic field•10 minutes
Lecture 2-3 Application of RF to Cause Magnetic Resonance•17 minutes
Lecture 2-4 Relaxation. Summary of the 2nd Week•14 minutes
1 assignment•Total 30 minutes
Quiz 2•30 minutes
3 Signal Processing Theory
Module 3•2 hours to complete
Module details
In this module, you will learn signal processing theory. You will be exposed to the most important concepts in mri which contain fourier transform and nyquist sampling therom.
What's included
5 videos1 assignment
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5 videos•Total 62 minutes
Lecture 3-1 Fourier Transform and MR images•16 minutes
Lecture 3-2 Properties of Fourier Transform•8 minutes
Lecture 3-3 Basic Signal Functions•14 minutes
Lecture 3-4 Sampling•11 minutes
Lecture 3-5 Nyquist Sampling Theorem•13 minutes
1 assignment•Total 30 minutes
Quiz 3•30 minutes
4 MR IMAGE FORMATION
Module 4•1 hour to complete
Module details
In lecture 4, we will expose you to how to sequence gradient pulses to get an mr image. You will also learn about sequence gradient pulses which include slice selection, frequency encoding and phase encoding.
What's included
5 videos1 assignment
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5 videos•Total 54 minutes
Lecture 4-1 How to sequence gradient pulses to get an image•5 minutes
Lecture 4-2 Slice Selection•12 minutes
Lecture 4-3 K-space•13 minutes
Lecture 4-4 Frequency Encoding•12 minutes
Lecture 4-5 Phase Encoding•12 minutes
1 assignment•Total 30 minutes
Quiz 4•30 minutes
5 IMAGE CONTRAST, FIELD OF VIEW, AND RESOLUTION
Module 5•1 hour to complete
Module details
In this week, learners will get to know how soft tissue contrast can change with imaging parameters. We will also guide you what is field of view and how to measure resolution.
What's included
5 videos1 assignment
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5 videos•Total 60 minutes
Lecture 5-1 Gradient Echo and Spin Echo Imaging•14 minutes
Lecture 5-2 Contrast Mechanism in Spin Echo Imaging•14 minutes
Lecture 5-3 Contrast Mechanism in Gradient Echo Imaging•14 minutes
Lecture 5-4 Field of View•12 minutes
Lecture 5-5 Resolution•6 minutes
1 assignment•Total 30 minutes
Quiz 5•30 minutes
6 MRI DATA ACQUISITION STRATEGIES
Module 6•2 hours to complete
Module details
In this module, you will learn about mri data acquisition strategies. Also, you will be exposed to MR imaging sequences of spin echo, gradient echo, fast spin echo, echo planar imaging, and inversion recovery.
What's included
5 videos1 assignment
Show info about module content
5 videos•Total 67 minutes
Lecture 6-1 2D and 3D Imaging•13 minutes
Lecture 6-2 Gradient Echo Imaging•12 minutes
Lecture 6-3 Spin Echo Imaging and Fast Spin Echo Imaging•18 minutes
Lecture 6-4 Echo Planar Imaging•15 minutes
Lecture 6-5 Non-Cartesian Imaging•9 minutes
1 assignment•Total 30 minutes
Quiz 6•30 minutes
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The Korea Advanced Institute of Science and Technology (KAIST) was established in 1971 by the Korean government as the nation’s first research-intensive graduate school for science, engineering and technology. It has now grown into one of the world’s best universities, delivering top notch education and research programs for undergraduate and graduate students. KAIST encourages interdisciplinary and convergent research across a wide spectrum of disciplines, as well as strong collaborations with industry and global institutions.
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