H. Meine and U. Köthe (Germany)
sub-pixel segmentation, watersheds, splines
Discrete algorithms for low-level boundary detection are geometrically inaccurate and topologically unreliable. Cor responding continuous methods are often more accurate and need fewer or no heuristics. Thus, we transfer discrete boundary indicators into a continuous form by means of differentiable spline interpolation and detect boundaries us ing the exact watershed transform. We demonstrate that this significantly improves the obtained segmentations.
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