Measurement of Signal-to-Noise and Contrast-to-Noise in the fBIRN Multicenter Imaging Study
β Scribed by Vincent A. Magnotta; Lee Friedman; FIRST BIRN
- Publisher
- Springer-Verlag
- Year
- 2006
- Tongue
- English
- Weight
- 532 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0897-1889
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π SIMILAR VOLUMES
The fundamental limit for NMR imaging is set by an intrinsic signal-to-noise ratio (SNR) for a particular combination of rf antenna and imaging subjects. The intrinsic SNR is the signal from a small volume of material in the sample competing with electrical noise from thermally generated, random noi
The contrast-to-noise ratio (CNR) in three types of computed MR images is compared in a computer simulation. The original data consist of two spin-echo or two saturation-recovery images. Each pair of images is used to generate a relaxation time image, a synthetic image at arbitrary echo or repetitio