You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
94 lines
1.3 KiB
94 lines
1.3 KiB
7 years ago
|
%
|
||
|
|
% SCRIPT: DEMO_MEANSHIFT
|
||
|
|
%
|
||
|
|
% Sample script on usage of mean-shift function.
|
||
|
|
%
|
||
|
|
% DEPENDENCIES
|
||
|
|
%
|
||
|
|
% meanshift
|
||
|
|
%
|
||
|
|
%
|
||
|
|
|
||
|
|
|
||
|
|
%% CLEAN-UP
|
||
|
|
|
||
|
|
clear;
|
||
|
|
close all;
|
||
|
|
|
||
|
|
|
||
|
|
%% PARAMETERS
|
||
|
|
|
||
|
|
% dataset options
|
||
|
|
basepath = './code/';
|
||
|
|
filename = 'r15';
|
||
|
|
varX = 'X';
|
||
|
|
varL = 'L';
|
||
|
|
|
||
|
|
% mean shift options
|
||
|
|
h = 1;
|
||
|
|
optMeanShift.epsilon = 1e-4*h;
|
||
|
|
optMeanShift.verbose = true;
|
||
|
|
optMeanShift.display = true;
|
||
|
|
|
||
|
|
|
||
|
|
%% (BEGIN)
|
||
|
|
|
||
|
|
fprintf('\n *** begin %s ***\n\n',mfilename);
|
||
|
|
|
||
|
|
|
||
|
|
%% READ DATA
|
||
|
|
|
||
|
|
fprintf('...reading data...\n')
|
||
|
|
|
||
|
|
matFile = [basepath filesep filename '.mat'];
|
||
|
|
|
||
|
|
fprintf(' - file: %s...\n', matFile)
|
||
|
|
|
||
|
|
ioData = matfile( matFile );
|
||
|
|
|
||
|
|
x = ioData.(varX);
|
||
|
|
l = ioData.(varL);
|
||
|
|
|
||
|
|
figure('name', 'original_data')
|
||
|
|
scatter(x(:,1),x(:,2), 8, l);
|
||
|
|
|
||
|
|
|
||
|
|
%% PERFORM MEAN SHIFT
|
||
|
|
|
||
|
|
fprintf('...computing mean shift...')
|
||
|
|
|
||
|
|
tic;
|
||
|
|
y = meanshift( x, h, optMeanShift );
|
||
|
|
tElapsed = toc;
|
||
|
|
|
||
|
|
fprintf('DONE in %.2f sec\n', tElapsed);
|
||
|
|
|
||
|
|
|
||
|
|
%% SHOW FINAL POSITIONS
|
||
|
|
|
||
|
|
figure('name', 'final_local_maxima_points')
|
||
|
|
scatter(y(:,1),y(:,2), 8, l);
|
||
|
|
|
||
|
|
|
||
|
|
%% (END)
|
||
|
|
|
||
|
|
fprintf('\n *** end %s ***\n\n',mfilename);
|
||
|
|
|
||
|
|
|
||
|
|
%%------------------------------------------------------------
|
||
|
|
%
|
||
|
|
% AUTHORS
|
||
|
|
%
|
||
|
|
% Dimitris Floros fcdimitr@auth.gr
|
||
|
|
%
|
||
|
|
% VERSION
|
||
|
|
%
|
||
|
|
% 0.1 - December 29, 2017
|
||
|
|
%
|
||
|
|
% CHANGELOG
|
||
|
|
%
|
||
|
|
% 0.1 (Dec 29, 2017) - Dimitris
|
||
|
|
% * initial implementation
|
||
|
|
%
|
||
|
|
% ------------------------------------------------------------
|