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Sampling concerns in scanline algorithms

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2 Author(s)
M. Fleury ; Dept. of Electron. Syst. Eng., Essex Univ., Colchester, UK ; A. F. Clark

This paper investigates the problem of providing suitable interpolation for scanline algorithms. These algorithms are of interest, as they are parallelizable. A structure for analyzing the problem is given. The theory in regard to resampling is developed in the context of a scanline algorithm for image rotation. The theory is compared to results arrived at in practice. Alternative interpolation schemes are discussed, including the use of a cubic Hermite interpolator. The paper points to theoretical limitations of scanline algorithms.

Published in:

IEEE Transactions on Medical Imaging  (Volume:16 ,  Issue: 3 )