spectral-clustering 外国人编写的实现谱聚类算法

外国人编写的实现谱聚类算法，执行速度较快，效果不错~

function demoncutImage;
% demoncutImage
% 
% demo for NcutImage
% also initialize matlab paths to subfolders
% Timothee Cour Stella Yu Jianbo Shi 2004.

main;

%% read image change color image to brightness image resize to 160x160
I = imread_ncut（‘baby.jpg‘140140）;

%% display the image
figure（1）;clf; imagesc（I）;colormap（gray）;axis off;
disp（‘This is the input image to segment press Enter to continue...‘）;
pause;

%% compute the edges imageEdges the similarity matrix W based on
%% Intervening Contours the Ncut eigenvectors and discrete segmentation
nbSegments = 3;
disp（‘computing Ncut eigenvectors ...‘）;
tic;
[SegLabelNcutDiscreteNcutEigenvectorsNcutEigenvaluesWimageEdges]= NcutImage（InbSegments）;
disp（[‘The computation took ‘ num2str（toc） ‘ seconds o

 属性            大小     日期    时间   名称
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     文件       8765  2011-03-19 09:17  spectral clustering\AMD\NcutImage_7_AMD64\3096[1].jpg

     文件       7114  2004-06-18 03:19  spectral clustering\AMD\NcutImage_7_AMD64\common_files\a_times_b_cmplx.dll

     文件       7820  2004-06-18 03:19  spectral clustering\AMD\NcutImage_7_AMD64\common_files\a_times_b_cmplx.mexglx

     文件      13096  2004-06-18 03:19  spectral clustering\AMD\NcutImage_7_AMD64\common_files\a_times_b_cmplx.mexmac

     文件       1251  2004-06-18 03:19  spectral clustering\AMD\NcutImage_7_AMD64\common_files\discretisation.m

     文件        202  2004-06-18 03:19  spectral clustering\AMD\NcutImage_7_AMD64\common_files\discretisationEigenVectorData.asv

     文件        317  2004-06-18 03:19  spectral clustering\AMD\NcutImage_7_AMD64\common_files\discretisationEigenVectorData.m

     文件      37466  2004-06-18 03:19  spectral clustering\AMD\NcutImage_7_AMD64\common_files\eigs2.m

     文件       9728  2004-06-18 03:19  spectral clustering\AMD\NcutImage_7_AMD64\common_files\mex_w_times_x_symmetric.dll

     文件       8713  2004-06-18 03:19  spectral clustering\AMD\NcutImage_7_AMD64\common_files\mex_w_times_x_symmetric.mexglx

     文件      13396  2004-06-18 03:19  spectral clustering\AMD\NcutImage_7_AMD64\common_files\mex_w_times_x_symmetric.mexmac

     文件       2468  2010-09-14 12:14  spectral clustering\AMD\NcutImage_7_AMD64\common_files\ncut.asv

     文件       2468  2010-09-15 17:04  spectral clustering\AMD\NcutImage_7_AMD64\common_files\ncut.m

     文件        486  2004-06-18 03:19  spectral clustering\AMD\NcutImage_7_AMD64\common_files\ncutW.asv

     文件        604  2004-06-18 03:19  spectral clustering\AMD\NcutImage_7_AMD64\common_files\ncutW.m

     文件       8704  2004-06-18 03:19  spectral clustering\AMD\NcutImage_7_AMD64\common_files\sparsifyc.dll

     文件       8541  2004-06-18 03:19  spectral clustering\AMD\NcutImage_7_AMD64\common_files\sparsifyc.mexglx

     文件       9004  2004-06-18 03:19  spectral clustering\AMD\NcutImage_7_AMD64\common_files\sparsifyc.mexmac

     文件       7168  2004-06-18 03:19  spectral clustering\AMD\NcutImage_7_AMD64\common_files\spmtimesd.dll

     文件       7285  2004-06-18 03:19  spectral clustering\AMD\NcutImage_7_AMD64\common_files\spmtimesd.mexglx

     文件       8888  2004-06-18 03:19  spectral clustering\AMD\NcutImage_7_AMD64\common_files\spmtimesd.mexmac

     文件       1622  2010-09-28 18:37  spectral clustering\AMD\NcutImage_7_AMD64\demoncutImage.asv

     文件       1588  2011-04-10 20:31  spectral clustering\AMD\NcutImage_7_AMD64\demoncutImage.m

     文件        309  2004-06-18 03:19  spectral clustering\AMD\NcutImage_7_AMD64\main.m

     文件       1091  2004-06-18 03:19  spectral clustering\AMD\NcutImage_7_AMD64\README_NcutImage.txt

     文件       5789  2004-08-10 13:25  spectral clustering\AMD\NcutImage_7_AMD64\specific_NcutImage_files\affinityic.c

     文件       7680  2004-06-18 03:19  spectral clustering\AMD\NcutImage_7_AMD64\specific_NcutImage_files\affinityic.dll

     文件      10447  2004-08-10 10:28  spectral clustering\AMD\NcutImage_7_AMD64\specific_NcutImage_files\affinityic.mexa64

     文件       8162  2004-06-18 03:19  spectral clustering\AMD\NcutImage_7_AMD64\specific_NcutImage_files\affinityic.mexglx

     文件       8964  2004-06-18 03:19  spectral clustering\AMD\NcutImage_7_AMD64\specific_NcutImage_files\affinityic.mexmac

............此处省略82个文件信息