Esempio n. 1
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    best_u = np.loadtxt(filename_template.format(tag='u'), delimiter=",")
    best_u_ew = np.loadtxt(filename_template_ew.format(tag='u'), delimiter=",")

    cluster_ew = np.argmax(best_u_ew, axis=1)
    cluster = np.argmax(best_u, axis=1)

    N, ND = data.shape

    knn = 8

    #create neighbourdhood EW
    print("building neighbourhood, location.shape=", locations.shape)
    kdtree = cKDTree(locations_ore)
    neighbourhood, distances = make_neighbourhood(kdtree,
                                                  locations_ore,
                                                  knn,
                                                  max_distance=np.inf)
    distances = np.array(distances)

    #spatial EW
    verbose_level = 2
    clusters_graph_ew = graph_cut(locations_ore,
                                  neighbourhood,
                                  best_u_ew,
                                  unary_constant=100.0,
                                  smooth_constant=80.0,
                                  verbose=1)

    for i in range(N):
        print(i,
              cluster_ew[i],
Esempio n. 2
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    target = False
    force = False
    
    file_template = '../results/bm_{set}_swfc_%d.csv'%NC

    best_centroids = np.loadtxt(file_template.format(set='centroids'),delimiter=",")
    best_weights = np.loadtxt(file_template.format(set='weights'),delimiter=",")
    best_u = np.loadtxt(file_template.format(set='u'),delimiter=",")

    clusters = np.argmax(best_u,axis=1) 


    N,ND = data.shape

    knn = 15
    
    #create neighbourdhood
    print("building neighbourhood, location.shape=",locations.shape)
    kdtree = cKDTree(locations)
    neighbourhood,distances = make_neighbourhood(kdtree,locations,knn,max_distance=2.0)
    distances = np.array(distances)
    
    #spatial
    verbose_level = 2
    clusters_graph = np.int32(graph_cut(locations,neighbourhood,best_u,unary_constant=70.0,smooth_constant=15.0,verbose=1))
    
    #for i in range(N):
    #    print(i,clusters[i],best_u[i],clusters_graph[i],sep=',')
    
    np.savetxt("../results/final_bm_clusters_swfc_%d.csv"%NC,clusters_graph,delimiter=",",fmt="%d")
Esempio n. 3
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    #filter just 0-50
    #indices = np.where(locations[:,0] <= 50)[0]
    #indices = np.where(locations[indices,1] <= 50)[0]
    #locations = locations[indices,:]
    #X = X[indices,:]

    N, ND = X.shape
    NC = 4
    knn = 8

    #create neighbourdhood
    print("building neighbourhood")

    kdtree = cKDTree(locations)
    neighbourhood, distances = make_neighbourhood(kdtree, locations, knn)
    distances = np.array(distances)

    #create U fake
    #best_u = np.zeros((N,NC))
    #
    #for i in range(N):
    #    best_u[i,int(X[i,6])] = 1.0

    #spatial
    verbose_level = 2
    clusters_graph = graph_cut(locations,
                               neighbourhood,
                               best_u,
                               unary_constant=100.0,
                               smooth_constant=100.0,