From Edge to Line
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A line is a pair of parallel
opposing edges
closer than some standard sample distance.
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Ideal Line
"Ravine" Line Profile
"Ridge" Line Profile
Mixed (Edge - Line)
Line Algorithm
Masks for Quadratic Fit
Interpretation of Line Parameters
- b0 determines ridge height (not used)
- b3 determines line strength and width
- b4 & b5 determine orientation and elongation
- b1 & b2 are related to centroid (used indirectly)
Example
Maintained by John
Loomis, last updated 7 July 1998