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Re: need example for fisheye effect on images


From: paiuia
Subject: Re: need example for fisheye effect on images
Date: Fri, 21 Sep 2012 08:21:30 -0700 (PDT)

Andy and Nicholas thanks,
I have to study the manual but in the meantime....
any script or tutorial on mathematical deformation of images with Octave?

With
I = imread('c:\users\ax\desktop\_math\sfera.jpg');
S = conv2 (I, ones (5, 5) / 25, "same");
[Dx, Dy] = gradient (S);

I get error:
" error: invalid conversion of uint8 matrix to Matrix "

-------------------------------
Octave 3.2.4
QtOctave 0.10.1 
Windows 7- 64bit



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