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Highlights from
Contour Correspondence via Ant Colony Optimization

• [BH,mean_dist]=sc_compute(Bsa... [BH,mean_dist]=sc_compute(Bsamp,Tsamp,mean_dist,nbins_theta,nbins_r,r_inner,r_outer,out_vec);
• [C,T]=hungarian(A) % HUNGARIAN Solve the Assignment problem using the Hungarian method.
• aco_matching(Y1, Y2, Dist1, D... % Compute a matching between two shapes using the ACO algorithm
• area_normalize(old_c) % This function normalizes the area enclosed by a closed 2D contour
• bipartite_matching(Y1, Y2, S) % Compute the bipartite matching between two shapes according to the
• construct_matching(G, S, Dist... % This function constructs a matching for the ACO algorithm
• contour_area(c) % This function computes the area enclosed by a closed 2D contour.
• contour_length(X) % This function computes the length of a contour
• dist2(x, c) DIST2 Calculates squared distance between two sets of points.
• distance_matrix(Y) % Compute the pairwise distances between vertices/points of a 2D shape
• evaluate_matching(G, S, Dist1... % This function computes the cost for a given matching
• extract_descriptor(Y, descrip... % Compute a shape descriptor for a given shape
• extract_shape_context(Y) % Compute shape context descriptor
• order_preserving_matching(Y1,... % Compute an order preserving matching between two shapes according to
• pairwise_geodesic_dist(Y, ope... % Compute pairwise geodesic distances for an open or closed 2D contour
• shape_matching(Y1, Y2, vararg... % Compute the matching between two 2D shapes (contours or general sets
• show_contour(c, varargin) % This function plots a contour specified by a list of 2D points
• signed_triangle_area(A, B, C) % This function returns the *signed* area of a triangle
• simmat_chisquare(g1, g2) % This function returns a similarity matrix for two sets of
• simmat_euclidean(g1, g2) % This function returns a similarity matrix for two sets of
• update_pheromones(G, matching... % This function updates the pheromone matrix according to a set of
• valid_range(vertex, matching,... % This function computes the range of valid assignments for a vertex,
• viz_matching(Y1, Y2, K, varar... % This function uses numerical labelling to show the correspondence
• set_global.m
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