Code covered by the BSD License  

Highlights from
Toolbox Alpert Transform

• Toolbox Alpert Transform - A ...
• array_get_val( x, ind ) array_set_val - access a multidimensional array using a vector for the index
• array_set_val( x, ind, v ) array_set_val - set a value in a multidimensional array using a vector for the index
• build_alpert_matrix(x,k) build_alpert_matrix - build 1D Alpert basis
• build_alpert_matrix_2d(pos,k,... build_alpert_matrix_2d - build 2D Alpert basis adapted to the sampling provided.
• clamp(x,a,b)
• compute_distance_to_points(X,... compute_distance_to_points - compute euclidean distance to a set of points.
• crop(M,n,c) crop - crop an image to reduce its size
• dichotomic_grouping(pos,optio... dichotomic_grouping - regroup points into 2^s (s is unknown) bins of nearly equal size.
• dirac(s,n) dirac - dirac function.
• gen_base_mesh(type, j); gen_base_mesh - generate a simple triangulation.
• gen_signal(n,alpha)
• gen_signal_2d(n,alpha)
• get_color_from_index(i) get_color_from_index - turn a number into a color string.
• getoptions(options, name, v, ... getoptions - retrieve options parameter
• imageplot(M,str, a,b,c) imageplot - diplay an image and a title
• keep_biggest(x,n) keep_biggest - keep only the n biggest coef,
• l2error(x) l2error - compute the decreasing of the
• load_image(type, n, options) load_image - load benchmark images.
• load_signal(name, n, options) load_signal - load a 1D signal
• mmax(A) mmax - maximum entry from a matrix.
• mmin(A) mmin - maximum entry from a matrix.
• norme(x)
• perform_alpert_transform_1d(v... perform_alpert_transform_1d - transform a 1D signal using a 1D Alpert basis.
• perform_alpert_transform_2d(v... perform_alpert_transform_2d - transform a 2D signal.
• perform_alpert_transform_2d_s... perform_alpert_transform_2d_sliced - perform a forward 2D Alpert transform. You can specify a number of slice in the Y direction.
• perform_alpert_transform_nd(v... perform_alpert_transform_nd - transform a nD signal using a nD Alpert basis.
• perform_moment_transform_slow... perform_moment_transform_slow - perform the Alpert transform in 2D.
• plot_dichotomic_partition(X, ... plot_dichotomic_partition - plot clustered points in R^2 or R^3.
• plot_scattered(pos,z, resc) plot_scattered - plot 2D scattered data using triangulation.
• plot_spherical_function(a,b,c... plot_spherical_function - plot function defined on a sphere.
• plot_spherical_partition(xyz,... plot_spherical - plot clustered points on a sphere.
• plot_wavelet(M, Jmin, options... plot_wavelet - plot 2D wavelet transform stored using Mallat's ordering.
• publish_html(filename, output... publish_html - publish a file to HTML format
• rescale(x,a,b)
• rev_sort_abs(x) rev_sort_abs - sort by decreasing order of absolute value
• reverse_permutation(x) reverse_permutation - compute the inverse of a permutation
• sphere_sampling(N,lrounded,an... sphere_sampling - sample points on a sphere.
• subdivide_sphere(vertex,face,... subdivide - perform a 1:4 subdivision.
• compile_mex.m
• test_decreasing_1d.m
• test_decreasing_2d.m
• test_decreasing_nd.m
• test_grouping.m
• test_image.m
• test_mex.m
• test_plot_1d.m
• test_plot_2d.m
• test_speed_2d.m
• test_spherical.m
• test_warpsampling.m
• View all files