Toolbox Wavelets on Meshes: test_sphere.m - File Exchange

Code covered by the BSD License

Highlights from
Toolbox Wavelets on Meshes

Toolbox Wavelets on Meshes - ...
check_face_vertex(vertex,face... check_face_vertex - check that vertices and faces have the correct size
clamp(x,a,b)
compute_base_mesh(type, j, op... compute_base_mesh - generate a simple triangulation.
compute_butterfly_neighbors(k... compute_butterfly_neighbors - compute local neighbors of a vertex
compute_edge_face_ring(face) compute_edge_face_ring - compute faces adjacent to each edge
compute_face_ring(face) compute_face_ring - compute the 1 ring of each face in a triangulation.
compute_gaussian_filter(n,s,N... compute_gaussian_filter - compute a 1D or 2D Gaussian filter.
compute_mesh_weight(vertex,fa... compute_mesh_weight - compute a weight matrix
compute_normal(vertex,face) compute_normal - compute the normal of a triangulation
compute_semiregular_gim(M,J,o... compute_semiregular_gim - compute a semi-regular mesh from a GIM
compute_semiregular_sphere(J,... compute_semiregular_sphere - compute a semi-regular sphere
compute_vertex_face_ring(face) compute_vertex_face_ring - compute the faces adjacent to each vertex
compute_vertex_ring(face) compute_vertex_ring - compute the 1 ring of each vertex in a triangulation.
crop(M,n,c) crop - crop an image to reduce its size
getoptions(options, name, v, ... getoptions - retrieve options parameter
griddata_arbitrary(face,verte... griddata_arbitrary - perform interpolation of a triangulation on a regular grid
imageplot(M,str, a,b,c) imageplot - diplay an image and a title
keep_above(x,T) keep_above - keep only the coefficients above threshold T,
keep_biggest(x,n) keep_biggest - keep only the n biggest coef,
load_gim(name, options) load_gim - load a geometry image, either from a file or synthetic.
load_image(type, n, options) load_image - load benchmark images.
load_spherical_function(name,... load_spherical_function - load a function on the sphere
perform_blurring(M, sigma, op... perform_blurring - gaussian blurs an image
perform_convolution(x,h, boun... perform_convolution - compute convolution with centered filter.
perform_curve_subdivision(f, ... perform_curve_subdivision - perform subdivision
perform_haar_graph(v, A, dir,... perform_haar_graph - perform the haar transform on graph
perform_mesh_smoothing(face,v... perform_mesh_smoothing - smooth a function defined on a mesh by averaging
perform_mesh_subdivision(f, f... perform_mesh_subdivision - perfrom a mesh sub-division
perform_sgim_sampling(signal_... perform_sgim_sampling - generate a geometry image from a spherical parameterization
perform_spherial_planar_sampl... perform_spherial_planar_sampling - project sampling location from sphere to a square
perform_wavelet_mesh_transfor... perform_wavelet_mesh_transform - compute a wavelet tranform on a mesh
plot_geometry_image(M, displa... plot_geometry_image - plot a geometry image
plot_mesh(vertex,face,options...
plot_spherical_function(verte... plot_spherical_function - display a function on the sphere
progressbar(n,N,w) progressbar - display a progress bar
publish_html(filename, output... publish_html - publish a file to HTML format
read_gim(filename)
read_mesh(file)
read_off(filename) read_off - read data from OFF file.
rescale(x,a,b)
triangulation2adjacency(face,... triangulation2adjacency - compute the adjacency matrix
write_gim(M, filename, save_p...
loop.m
test_create_gim.m
test_semiregular_meshes.m
test_sphere.m
test_subdivision_curve.m
test_subdivision_mesh.m
test_subdivision_polyhedra.m
test_wavelet_meshes.m
View all files

from Toolbox Wavelets on Meshes by Gabriel Peyre
A toolbox to compute wavelet transform on 3D meshes

test_sphere.m

% test for spherical data processing

j = 5;
options.keep_subdivision = 0;
options.base_mesh = 'ico';
options.relaxation = 0;
[vertex,face] = compute_semiregular_sphere(j,options);

options.relaxation = 4;
[vertex1,face] = compute_semiregular_sphere(j,options);


clf;
subplot(1,2,1);
plot_mesh(vertex,face);
shading faceted;
subplot(1,2,2);
plot_mesh(vertex1,face);
shading faceted;

Highlights from Toolbox Wavelets on Meshes

Highlights from
Toolbox Wavelets on Meshes