Accelerate Magnetic Resonance guided Temperature Imaging
ACCELERATE MAGNETIC RESONANCE GUIDEDTEMPERATURE IMAGING
ABSTRACT
摘 要
ACKNOWLEDGEMENTS
CONTENTS
NOMENCLATURE
OVERVIEW OF MAGNETIC RESONANCE IMAGING
1.1 atom and spin
1.2 Nucleus in a magnetic field
1.3 Effect of radio frequency
1.4 Relaxation
1.4.1 T2-Relaxation
1.4.2 T1-Relaxation
1.5 spatial encoding
1.6 k space
MAGNETIC RESONANCE TEMPERATURE IMAGING
2.1 High-Intensity Focused Ultrasound (HIFU)
2.2 Magnetic resonance temperature imaging
2.2.1 Proton resonance frequency shift (PRF)
ACCELERATE TEMPERATURE IMAGING
3.1 Necessity for accelerating
3.1.1 Fast temperature imaging methods
3.1.2 Criterions for comparison of different methods
3.2 Acceleration methods evaluation
3.2.1 Acceleration strategy
3.2.2 Evaluation
3.3 Iterative k-t BLAST/ k-t SENSE
3.3.2 Methods
3.3.3 Results
3.3.4 Discussion
3.3.5 Conclusions
3.4 VD k-t acceleration scheme
3.4.1 Problems in temperature imaging
3.4.2 Current solutions to these problems
3.4.3 New Scheme
3.4.4 Advantages of the new scheme
3.4.5 Simulation
REFERENCES
CONCLUSION
REFERENCES