Six 2D differential operations are implemented in this ImageJ plugin. - Gradient Magnitude - Gradient Direction - Laplacian - Largest Hessian - Smallest Hessian - Hessian Orientation
Plugin to perform Delaunay Triangulation, or draw the Voronoi Diagram for a given point ROI.
This plugin comes with Fiji.
Fast edge and ridge detection, irrespective of their orientation.
The method to use for thresholding. Currently only OTSU is available.