clc; clear; a=imread('12.png'); [m,n,o]=size(a); I=zeros(m*n,3); k = 1; for i=1:m for j=1:n I(k,:)=a(i,j,:); k = k+1; end end B = unique(I,'rows'); fid=fopen('123.xls','wt'); [m1 n1] =size(B); for i=1:1:m1 for j=1:1:n1 if j==n1 %如果一行的个数达到n个则换行，否则空格 fprintf(fid,'%d\n',B(i,j)); else fprintf(fid,'%d\t',B(i,j)); end end end fclose(fid);
