%程序L9_1.m: 不變矩%
[image map]=bmpread('L9_1.bmp');
invariancematrix1= invariance(image,1,0);   %原始圖像的不變矩
invariancematrix2= invariance(image,0.5,0); %一半尺寸的不變矩
invariancematrix3= invariance(image,1,90);  %旋轉90°的不變矩
invariancematrix4= invariance(image,1,180); %旋轉180°的不變矩
invariancematrix1=abs(invariancematrix1)
invariancematrix2=abs(invariancematrix2)
invariancematrix3=abs(invariancematrix3)
invariancematrix4=abs(invariancematrix4)