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A method that allows holograms to be generated by computer is described. The conventional ray-tracing algorithm is simplified by the use of a real-valued numerical simulation instead of making computations for the complex-valued field. Output via a laser printer and conventional photographic methods has yielded excellent fidelity in the reconstructed images of three-dimensional objects with simple geometries. Increasing computation capacity may allow routine application of this real-valued algorithm for displaying Magnetic Resonance Image data.
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Stein et al. (1992) studied this question.
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