|
| From: | Przemek Klosowski |
| Subject: | Re: about the function "imwrite" |
| Date: | Fri, 18 Nov 2011 08:45:02 -0500 |
| User-agent: | Mozilla/5.0 (X11; Linux i686; rv:7.0.1) Gecko/20110930 Thunderbird/7.0.1 |
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?
| [Prev in Thread] | Current Thread | [Next in Thread] |