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- M. R. Smith, S. T. Nichols, R. Mark Henkelman, Matthew Wood
- IEEE Transactions on Medical Imaging
- 1986

The modeling of data is an alternative to conventional use of the fast Fourier transform (FFT) algorithm in the reconstruction of magnetic resonance (MR) images. The application of the FFT leads toâ€¦ (More)

- M. R. Smith, S. T. Nichols, R. Mark Henkelman, Matthew Wood
- Magnetic resonance imaging
- 1986

Magnetic resonance imaging data is conventionally reconstructed using two dimensional discrete Fourier transforms. However, there is growing interest in other types of spectral estimation whichâ€¦ (More)

- G.H. McGibney, M. R. Smith, S. T. Nichols, A. Crawley
- Magnetic resonance in medicine
- 1993

Partial Fourier reconstruction algorithms exploit the redundancy in magnetic resonance data sets so that half of the data is calculated during image reconstruction rather than acquired. The conjugateâ€¦ (More)

- S. T. Nichols, Thomas H. Barton, G. Gunthorpe
- IEEE Transactions on Industry Applications
- 1981

The application of digital data acquisition and signal processing techniques to the identification of dragline load characteristics is described. The large quantity of data that can be obtained andâ€¦ (More)

- M. R. Smith, S. T. Nichols
- Magnetic resonance in medicine
- 1988

This paper discusses the two-dimensional implementation of a number of modified fast Fourier transform (FFT) algorithms that efficiently interpolate (zoom) magnetic resonance (MR) images. If theâ€¦ (More)

- Sorin Cohn-Sfetcu, M. R. Smith, S. T. Nichols, D L Henry
- Proceedings of the IEEE
- 1975

There are numerous occasions in applied sciences where there is need to analyze multicomponent signals formed by a linear superposition of functions having the same shape and location but differentâ€¦ (More)

- G. S. Hope, S. T. Nichols, Joel M Carr
- IEEE Transactions on Power Apparatus and Systems
- 1977

This paper presents a technique for the measurement of transfer functions of individual components and overall systems under normal operating conditions. The technique relies on the introduction of aâ€¦ (More)

- M. R. Smith, S. T. Nichols
- Magnetic resonance imaging
- 1990

In magnetic resonance (MR) imaging, excellent reconstructions are obtained on large data sets using the inverse discrete Fourier transform (IDFT). Modeling procedures have been proposed to overcomeâ€¦ (More)

- T. Smit, Michael R. Smith, S. T. Nichols
- IEEE Trans. Acoustics, Speech, and Signalâ€¦
- 1990

An efficient zooming FFT algorithm that allows center padding sinc function interpolation of 2D images is presented. This algorithm avoids the phase shifts that would be introduced if the efficientâ€¦ (More)

- H. T. Dorrah, S. T. Nichols
- Information and Control
- 1977

A new extended stochastic Rayleigh quotient estimation theory is developed for the identification of the unknown feedback matrix and nonlinear function parameters of a proposed multivariable plant.â€¦ (More)