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Re: [WM]: bior4.4 matlab function
Use dwtmode('per') before decomposition; it should work just fine.
At 10:58 PM 3/6/2007, Mostafa mohsen wrote:
>hi watermarker
>
> I tried to decompose 512 * 512 grayscale image
>using
>bior4.4 matlab function by using wavedec2 function but always get
>output of the corresponding bookkeeping matrix S as
>
>>>[w s]=wavedec2(double(I),4,'bior4.4');
>>>s =
>
> 40 40
> 40 40
> 71 71
> 134 134
> 260 260
> 512 512
>
>But I expected it to be in the form
>
> 32 32
> 32 32
> 64 64
> 128 128
> 256 256
> 512 512
>
>I would be thankfull if any one tell me why the corresponding
>bookkeeping matrix S is equal the values i mentiones not the value i
>expected
>
>Mostafa
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