What need to be input for S in ordfilt2?

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Kasy
Kasy le 10 Avr 2013
The coding are as follows:
>> I=imread('sample01.tif');
>> B = ordfilt2(I,1,ones(3,3),[3 3]);
??? Index exceeds matrix dimensions.
Error in ==> ordfilt2>ParseInputs at 132
s = s(find(domain));
Error in ==> ordfilt2 at 51
[A,order,domain,s,padopt,msg] = ParseInputs(varargin{:});
Do i need to input matrix dimension for S? (For references)
How do i know in terms of which parameter and value for ordfilt2 and other image enhancement method works besides the help section?

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Jan
Jan le 10 Avr 2013
S must have the same size as the domain, see doc ordfilt2. So when your domain is ones(3,3), S must be a [3 x 3] matrix also.

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