solidity concept in labeled components
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Image Analyst am 14 Aug. 2012
Solidity is area fraction of the region as compared to its convex hull. The convex hull is what you'd get if you wrapped a rubber band around your region. So solidity is what fraction of the actual area your region is. For any convex object it's 1. An asterisk might have a solidity of around 0.5, while a thin "L" shape (or T or E, etc.)would have a very low solidity. The more bays, nooks, and crannies it has, the lower the solidity.
Sean de Wolski am 14 Aug. 2012
Bearbeitet: Sean de Wolski am 14 Aug. 2012
Solidity: Area / Convex Hull Area
A rectangle will have a solidity of 1 because it is convex and thus its area is the convex area. A pacman will have a solidity of a little more than 0.75 since its area is about 3/4 of the almost circle that is its convex hull.
Note the convex hull would not include the circle segment between the top and bottom of its mouth