[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: about the function "imwrite"
From: |
Ben Abbott |
Subject: |
Re: about the function "imwrite" |
Date: |
Fri, 18 Nov 2011 08:47:41 -0500 |
On Nov 18, 2011, at 8:45 AM, Przemek Klosowski wrote:
> On 11/17/2011 04:42 PM, Yaowang wrote:
>
>> octave:1> x=imread('1149.tiff')
>> octave:2> imshow(x)
>> octave:3> y=fft(x);
>> octave:4> imshow(y)
>> warning: imshow: only showing real part of complex image
>> octave:5> imwrite("1149.img",y)
>
> It's the second time in few weeks when someone tries to display and save FFTs
> of images. That doesn't make any sense to me---is there something I'm missing
> here? Is it some kind of image processing trick that treats Fourier
> coefficients as an image on its own?
I think you are correct.
Ben