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Correction of lens-distortion for real-time image processing systems

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9 Author(s)
Nijmeijer, A.G.J. ; Dept. of Electr. Eng., Twente Univ., Enschede, Netherlands ; Boer, M.A. ; Slump, C.H. ; Samson, M.M.
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The authors present the design of a real-time imaging system, incorporating the correction of lens-distorted images. It may be used in medical applications (e.g. real-time X-ray image intensifiers), industrial robot vision products or consumer electronics. The system contains two different VLSI-circuits: a transformer and an interpolator. The transformer calculates an address that points to a pixel in the input image. Since this address hardly ever is an exact pixel position, a cube-spline interpolator is used to calculate the pixel-intensity at the desired position

Published in:

VLSI Signal Processing, VI, 1993., [Workshop on]

Date of Conference:

20-22 Oct 1993