How to determine that input is an image in MATLAB? -

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Therefore the title is fully described in the entire question. 

  ifchar (image_sorce) img = imread (image_sorce); And if Imatrix (image_source) img = image_sorce; End; End;   
 But Imatics returns 0 when the input variable  image_source  is created with IMed.   
 
 
 
 & gt; & Gt; Help iamatrix  
 Immatics is true if input is a matrix. Returns the return (M) return [MN] with the non-integer integer values, m and n, and logical 0 (wrong) otherwise  
  ismatrix (m) logical 1 returns true (m)    
 If you check its behavior, you receive:  
 
 
 
 ismatrix (rand (10,    Ismatrix (rand (10,10,10))  
 ans =  
    
 then  Ismatrix  will only work for 2-D variables Try combining the  numeric  with a probe on the size of the dimensions, for example, for the 3-D variable where the third dimension should be 3 Should, some  (ndim (x) == 3 and size (x, 3) == 3) .

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