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Computational Vision and Medical Image Processing IV
book

Computational Vision and Medical Image Processing IV

by Joao RS Tavares, Jorge R.M. Natal
October 2013
Intermediate to advanced content levelIntermediate to advanced
492 pages
21h 54m
English
CRC Press
Content preview from Computational Vision and Medical Image Processing IV
208
Applying the Hough transformation on the full
image results in a ρ, θ array with the number of
occurrence as third parameter, see (Fig. 21).
The largest amount of occurrence (number of
pixel which contributed) is 969 at ρ = -179 and
θ = -64. The inverse transformed line parts are
shown in Fig. 21.
2.4 Extracting power lines
The last step is to extract the power lines. The prop-
erty of a power line is that the distance between
its edges is very small (less than 0.5% of the image
diagonal) and their orientation is nearly the same.
In the Hough matrix the distance is defined by the
ρ-value and the orientation by Θ. All peaks, out of
50 highest ...
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Publisher Resources

ISBN: 9781138000810