image processing
in [Matlab]
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From: Nani Nana on 7 Apr 2010 01:09 Hey Iam working on a project in which i need to compare two signals in the form of jpeg..I should find out if they r equal..They can be equal approximately..For this i need to find out the tolerance image of the original image..Iam new to matlab..can anyone tell me how to do this??
From: kinor on 7 Apr 2010 05:59 "Nani Nana" <indraja.punna(a)gmail.com> wrote in message <hph41g$1h$1(a)fred.mathworks.com>... > Hey > Iam working on a project in which i need to compare two signals in the form of jpeg..I should find out if they r equal..They can be equal approximately..For this i need to find out the tolerance image of the original image..Iam new to matlab..can anyone tell me how to do this?? Hi Nani, what have you done so far, which method do you aim to use? kinor
From: ImageAnalyst on 7 Apr 2010 06:13 "Nani Nana" <indraja.pu...(a)gmail.com> What does this mean: "i need to compare two signals in the form of jpeg."? After you read the images into MATLAB, they are numerical arrays - they're decoded - and the original disk format no longer matters. Why don't you just use PSNR - a common way to compare signals? Wikipedia has an article on it.
From: PinkLab on 7 Apr 2010 08:26 Yes, I need median filter as well and this is for noise removal basically. Any help on this will be appreciated please. Thanks ImageAnalyst <imageanalyst(a)mailinator.com> wrote in message <0c96ba1e-e1ad-43c4-b26a-053e3621a370(a)o26g2000vbd.googlegroups.com>... > On Apr 2, 10:18 am, "PinkLab " <pink...(a)pinklab.com> wrote: > > Dear All, > > > > I am looking for conservative image cleaning filter if anyone can help please. > > > > thanks > > ---------------------------------- > I've never heard of that one - but people are inventing new filters > with new names all the time. Where did you hear about it? > > What do you want to accomplish? Noise removal? How about the median > filter?
From: ImageAnalyst on 7 Apr 2010 10:55
I don't mean to embarass you by asking the obvious, but did you type "median" into the help facility? If you do, you'll find that it will list the function medfilt2(), which is a 2D median filter. |