Multisection-multiecho MR imaging: effect on image quality
| Autor: | R E Googe, J R Fitzsimmons |
|---|---|
| Rok vydání: | 1985 |
| Předmět: |
Magnetic Resonance Spectroscopy
business.industry Image quality Gaussian Mr imaging Intersection (Euclidean geometry) Intensity (physics) symbols.namesake Nuclear magnetic resonance Optics Partial saturation symbols Medicine Radiology Nuclear Medicine and imaging Excitation pulse business Image signal |
| Zdroj: | Radiology. 157(3) |
| ISSN: | 0033-8419 |
| Popis: | An analysis of the effects of multisection-multiecho imaging on signal intensity is presented using a gaussian excitation pulse. The number of sections acquired, size of the intersection gap, and the number of echoes were all varied independently to evaluate their effect on image intensity. The results indicate that one should take a conservative approach in multisection-multiecho imaging, leaving at least a 2-mm-intersection gap and approximately a 20-msec delay between section excitations to avoid image signal loss owing to partial saturation effects. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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