NMF 非负矩阵分解 图像重构

可以直接在matlab里面运行的代码，不用自己编译，网上整理了好久的资源 计算机视觉 图形图像

%% 图像数据提取
clcclear
I1=imread（‘att_faces/s1/1.pgm‘）;
I2 = imread（‘att_faces/s1/2.pgm‘）;
I3 = imread（‘att_faces/s1/3.pgm‘）;
I4 = imread（‘att_faces/s1/4.pgm‘）;
I5 = imread（‘att_faces/s1/5.pgm‘）;
I6 = imread（‘att_faces/s1/6.pgm‘）;
I7 = imread（‘att_faces/s1/7.pgm‘）;
I8 = imread（‘att_faces/s1/8.pgm‘）;
I9 = imread（‘att_faces/s1/9.pgm‘）;
I10 = imread（‘att_faces/s1/10.pgm‘）;
[Sn Sm]=size（I1）;
Scal=0.75;                      %图像缩放比例
Wid=round（Sm*Scal）;
Hei=round（Sn*Scal）;
Person1=[I1;I2;I3;I4;I5;I6;I7;I8;I9;I10];
Person1=imresize（Person1[Hei*10 Wid]）; %resize为每幅图像的宽度的10倍
figure（1） 
imshow（Person1‘border‘ ‘loose‘）

I1=imread（‘att_faces/s2/1.pgm‘）;
I2 = imread（‘att_faces/s2/2.pgm‘）;
I3 = imread（‘att_faces/s2/3.pgm‘）;
I4 = imread（‘att_faces/s2/4.pgm‘）;
I5 = imread（‘att_face

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-11-22 19:33  NMF图像重构\
     文件        5828  2017-11-22 19:37  NMF图像重构\All.m
     目录           0  2017-11-22 19:33  NMF图像重构\att_faces\
     目录           0  2017-11-22 19:33  NMF图像重构\att_faces\s1\
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s1\1.pgm
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s1\10.pgm
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s1\2.pgm
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s1\3.pgm
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s1\4.pgm
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s1\5.pgm
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s1\6.pgm
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s1\7.pgm
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s1\8.pgm
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s1\9.pgm
     目录           0  2017-11-22 19:33  NMF图像重构\att_faces\s2\
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s2\1.pgm
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s2\10.pgm
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s2\2.pgm
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s2\3.pgm
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s2\4.pgm
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s2\5.pgm
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s2\6.pgm
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s2\7.pgm
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s2\8.pgm
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s2\9.pgm
     目录           0  2017-11-22 19:33  NMF图像重构\att_faces\s3\
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s3\1.pgm
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s3\10.pgm
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s3\2.pgm
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s3\3.pgm
     文件       10318  2003-02-06 02:15  NMF图像重构\att_faces\s3\4.pgm
............此处省略16个文件信息