image processing- calculate image blur extend and direction
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The code was
c(i)=fft(log(abs(image)));
then calculate c(i') to get the calculate image blur extend and direction. for differentiation of the image i am used sobel filter.bt the diagram(answer) i got was not relevant... i dont know where the mistke? whether using fft or fft2 or fftn for images? or which filter is appropriate for use?
[Merged from duplicate question]
i want to process the image. for the image i have to calculate fft, then abs,then log,t hen again fft. during calculating abs the output was simply white screen. no original image? whats the reason?
6 件のコメント
Walter Roberson
2012 年 1 月 19 日
You wrote, "actually in the ieee paper" and I am pointing out that IEEE has published multiple papers -- in other words we do not know WHICH paper you are looking at.
回答 (2 件)
christian bale
2012 年 1 月 19 日
manoj kitty try in scilab it would be easy than matlab
6 件のコメント
Ganesh
2012 年 1 月 20 日
Just wanna know so far what u ve implemented in project thats y i asked how many members..
Walter Roberson
2012 年 1 月 19 日
What datatype are you using for your image? If it was an image file that was read in using imread() then the datatype is probably uint8, unsigned 8 bit integers, in which case abs() would not have any effect.
7 件のコメント
Walter Roberson
2012 年 1 月 20 日
I glanced at the description a number of months ago, but I did not see the point of it at that time, so I am not likely to be able to describe how to use it.
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