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[The computer simulation of magnetic resonance imaging].
Lirnog Liu1, Zhiqiao Wu, Jiarui Lin
1School of Life Science and Technology, Huazhong University of Sci & Tech, Wuhan 430074.
Summary
This study models magnetic resonance imaging (MRI) systems using the Bloch equation. The simulation accurately reconstructs images, demonstrating its utility for MRI research.
Area of Science:
- Physics
- Medical Imaging
Context:
- Magnetic Resonance Imaging (MRI) systems are crucial for medical diagnostics.
- Accurate modeling of MRI physics is essential for understanding image generation.
Purpose:
- To develop a mathematical model of MRI system operation based on the Bloch equation.
- To simulate the MRI process, including signal excitation, phase coding, and readout.
Summary:
- The Bloch equation is utilized to create a mathematical model for MRI systems.
- The simulation process is demonstrated using spin echo sequences, covering signal excitation, phase coding, readout, and image reconstruction.
- Input parameters include tissue properties like T1 and T2 relaxation times and proton density (rho).
Impact:
- The simulation method provides satisfactory results, validating its accuracy.
- This approach is suitable for widespread application in magnetic resonance imaging simulation research.
- Facilitates further development and optimization of MRI techniques through computational modeling.