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Parameter density analysis in Hough space

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2 Author(s)
Zhanyi Hu ; Service de Microelectron., Liege Univ., Belgium ; Destine, J.

Presents a general method to determine the parameter density distribution f1->M(ρ,θ) (or the f M->1(ρ,θ)) of a curve when the image points on the curve are transformed under the 1->M (the M->1) mapping. This method converts a relatively complicated problem of determining the density functions into an easier one of calculating the intersection points between the curve and the line ρ=xcosθ+ysinθ and the derivatives of the curve at these points. Moreover, the authors have found the analytical result of the parameter point spread function of an infinitely long line, a problem that has been qualitatively discussed by Brown (1983)

Published in:

Pattern Recognition, 1992. Vol.III. Conference C: Image, Speech and Signal Analysis, Proceedings., 11th IAPR International Conference on

Date of Conference:

30 Aug-3 Sep 1992