Fourier Theory in Modern Imaging

T. W. Cole
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T. W. Cole: University of Sydney, Laboratory for Imaging Science and Engineering School of Electrical Engineering

A chapter in Fourier Techniques and Applications, 1985, pp 185-199 from Springer

Abstract: Summary Fourier theory is a powerful tool to the understanding of imaging systems. But imaging has evolved in a number of ways and the theory of these imaging systems has developed in a way far removed from the classical optical system. Much of the innovation arose in radioastronomy where the millionfold longer wavelength than in optics meant new approaches were needed before resolution matched the optical case. Radiotelescopes now surpass optical telescopes in resolution by the use of new techniques. These techniques illustrate the limitations of Fourier approaches. There are strong parallels with medical imaging where image synthesis, iterative processing and other digital techniques are used in place of a direct Fourier approach to image generation.

Keywords: Spatial Frequency; Point Spread Function; Radio Telescope; Antenna Element; Modern Image (search for similar items in EconPapers)
Date: 1985
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-1-4613-2525-3_11

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DOI: 10.1007/978-1-4613-2525-3_11

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