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Figure 5
Simple Hough transforms. Above, x, y image space; below, ρ, θ parameter space. (a) A single point. (b) Two points; the intersection in the Hough transform defines the line between the points. (c) Three points. Three intersections define the three lines between the points. (d) A triangle. The lines in the Hough transform cluster at three points that define the three lines forming the sides of the triangle.

Journal logoBIOLOGICAL
CRYSTALLOGRAPHY
ISSN: 1399-0047
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