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<p>A method that measures the distance between extended objects of nonregular shape is presented. The distance measure is an average of a set of minimal point-to-point distances between the borders of the objects. The set of points is collected with a well-defined criterion based on processing of distance values on a connected medial axis formed between the objects.</p>
picture processing; interobject distance measure; medial axes; discrete distance maps; minimal point-to-point distances; distance measurement; picture processing

P. Seideman and P. Forsgren, "An Interobject Distance Measure Based on Medial Axes Retrieved from Discrete Distance Maps," in IEEE Transactions on Pattern Analysis & Machine Intelligence, vol. 12, no. , pp. 390-397, 1990.
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