Correcting slice selectivity in hard pulse sequences

• Published in: Journal of magnetic resonance (1997) Vol. 214; no. 1; pp. 61 - 67
• Main Authors: Grodzki, David M., Jakob, Peter M., Heismann, Bjoern
• Format: Journal Article
• Language: English
• Published: United States Elsevier Inc 2012
• Subjects: Algorithms; Biomedical materials; Brain - anatomy & histology; Excitation; Humans; Image Enhancement - methods; Image Interpretation, Computer-Assisted - methods; Image quality; Imaging; In vivo testing; In vivo tests; Magnetic Resonance Imaging - instrumentation; Magnetic Resonance Imaging - methods; Non-selective excitation; Phantoms, Imaging; Reproducibility of Results; Sensitivity and Specificity; Signal Processing, Computer-Assisted; Slice-selective excitation; Surgical implants; Ultrashort echo time; Non-selective excitation; Slice-selective excitation; Ultrashort echo time

[Display omitted] ► Investigate the influence of hard pulse excitation in the presence of gradients. ► Demonstrate artefacts by simulation and measurements. ► Derive a correction algorithm to eliminate artefacts. ► Enhanced image quality proves functionality. ► Limitations are found if the first min...