khoo
Posts:
63
Registered:
8/9/08
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Re: How to calculate the angle between two images?
Posted:
Apr 6, 2009 7:58 AM
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> Why are you histogramming im8? which should be the correlation that you are looking for - just plot im8 and if everything else is correct then you should have one dimensional distribution reaching a peak at the position corresponding to the relative rotation angle of the 2 images.
>
> Regards
>
> Dave Robinson
Bro Dave, this is the im8 graph after i plot out..but why the peak will at left side?? izit my inverse FFt do wrong?
http://i278.photobucket.com/albums/kk119/khoo011/grapg.jpg
and this is the part of code after i change..jz the below part of the code
im7=hist(im22222(:),256);
im77=conj(fft(im7));
im8=real(ifft(im66.*im77));
plot(im8)
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