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Re: Image error calculation [message #70286 is a reply to message #70285]

Wed, 31 March 2010 19:39

cgguido
Messages: 195
Registered: August 2005

Senior Member

On Mar 31, 9:10 pm, Suguru Amakubo <sfa2...@googlemail.com> wrote:
> Hi I basically have a 400x400 jpg image that I have obtained by
> combining 22 similar images. I am currently trying to determine if the
> new image produced is better in quality than the original image that I
> used as a base.
>
> (With my extremely limited knowledge of images) I have tried to do
> this by using the statistic command and looking at the standard
> deviation (hence error of image). However I do have an alarming sense
> that I am running into a mistake.
>
> Would it be possible if anyone could tell me what IDL procedures or
> methods you use to determine 'image quality' quantitatively?
>
> Thanks for your help in advance
>
> Suguru

Hi Suguru,

Can you tell us **in words** what you would consider a good image and
a bad one? If you can't state your criterion in words, there is no
hope to find an IDL solution, or a solution in any other computer
language. Also, how did you combine the 22 images?

Gianguido

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[Message index]

		Re: Image error calculation By: Maxwell Peck on Thu, 01 April 2010 00:42
		Re: Image error calculation By: Suguru Amakubo on Wed, 31 March 2010 20:07
		Re: Image error calculation By: cgguido on Wed, 31 March 2010 19:39
		Re: Image error calculation By: Craig Markwardt on Thu, 01 April 2010 09:15
		Re: Image error calculation By: Brian Daniel on Thu, 01 April 2010 09:22

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