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Extraction of contour lines by identification of neighbor relationships on a voronoi line graph.
Norio Mizutani
Toyohide Watanabe
Yuuji Yoshida
Naoki Okabe
Published in:
Systems and Computers in Japan (1993)
Keyphrases
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contour lines
line extraction
closely spaced
topographic maps
adaptive thresholding
voronoi diagram
image processing
multiresolution
hough transform
line segments
morphological operations