matlab程序中使用qtdecomp函数出错!!!
			 
			 
			
		
		
		
			
			J=imread('fire.jpg');  
I1= rgb2gray(J);  
figure,imshow(I1)  
%选取阈值为0.2,对原始图像进行四叉树分解,并以灰度图的形式显示分解所得的稀疏矩阵  
S = qtdecomp(I1,0.2);  
S2=full(S);  
figure,imshow(S2)  
 
这是程序,运行后提示错误为 
??? Error using ==> qtdecomp>ParseInputs  
Size of A is not a multiple of the maximum block dimension  
 
Error in ==> qtdecomp at 88  
[A, func, params, minDim, maxDim] = ParseInputs(varargin{:});  
 
这是毕业设计中的问题,急求教高手解答,不甚感激!!!
		 
		
		
		
		
		
		
		
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