Tailored RF pulse for magnetization inversion at ultrahigh field

Magnetic Resonance in Medicine

Volumn 63, Issue 1, 2010, Pages 51-58

  Hurley, Aaron C ^a   Al Radaideh, Ali ^a   Bai, Li ^a   Aickelin, Uwe ^a   Coxon, Ron ^a   Glover, Paul ^a   Gowland, Penny A ^a  

^a UNIVERSITY OF NOTTINGHAM   (United Kingdom)

Author keywords

Genetic algorithm; Inversion profile; Reshaping function; RF pulse; Time resampling; Weighted inversion profile accuracy (WIPA)

Indexed keywords

FREQUENCY ALLOCATION; MAGNETIZATION; PETROLEUM RESERVOIR EVALUATION;

ARTERIAL SPIN LABELING; EVALUATION FUNCTION; FIELD INHOMOGENEITY; INVERSION PROFILE; INVERSION TECHNIQUES; PROFILE ACCURACIES; RESAMPLING; RF PULSE;

GENETIC ALGORITHMS;

AMPLITUDE MODULATION; ARTICLE; BRAIN REGION; GENETIC ALGORITHM; NUCLEAR MAGNETIC RESONANCE IMAGING; RADIOFREQUENCY; THREE DIMENSIONAL IMAGING;

EID: 73349087782     PISSN: 07403194     EISSN: 15222594     Source Type: Journal    
DOI: 10.1002/mrm.22167     Document Type: Article

References (11)

1. Deichmann R, Good CD, Josephs O, Ashburner J, Turner R. Optimization of 3-D MP-RAGE sequences for structural brain imaging. Neuroimage 2000;12:112-127.
2. Kim S. Quantification of relative cerebral blood flow change by flow-sensitive alternating inversion recovery (FAIR) technique: applications to functional mapping. Magn Reson Med 1995;34:293-301.
3. Silver M, Joseph RI, Hoult DI. Highly selective π/2 and π pulse generation. J Magn Reson 1984;59:347-351.
4. Ordidge RJ, Wylezinska M, Hugg JW, Butterworth E, Franconi F. Frequency offset corrected inversion (FOCI) pulses for use in localized spectroscopy. Magn Reson Med 1996;36:562-566.
5. Connolly S, Nishimura D, Macovski A. Variable-rate selective excitation. J Magn Reson 1988;78:440-458.
6. Shen J, Chen Z, Yang J. FOCI with reduced RF power requirements. J Magn Reson Imaging 2004;20:531-537.
7. Sastry K, Goldberg D, Kendall G. Genetic algorithms: search methodologies. Springer; 2005.
8. Pang Y, Shen G. Improving excitation and inversion accuracy by optimized RF pulse using genetic algorithm. J Magn Reson 2007;186:86-93.
9. Yongbi MN, Yang Y, Frank JA, Duyn JF. Multislice perfusion imaging in human brain, using the C-FOCI inversion pulse: comparison with hyperbolic secant. Magn Reson Med 1999;42:1098-1105.
10. Gardener AG, Gowland PA, Francis ST. Implementation of quantitative perfusion imaging using pulsed arterial spin labeling at ultra-high field. Magn Reson Med. In press.
11. Deb K. Search methodologies: introductory tutorials in optimization and decision support techniques. Chapter 10: Multi-objective optimization.