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Re: fitting mixed gaussians [message #44135 is a reply to message #44131]

Wed, 18 May 2005 07:54

btt
Messages: 345
Registered: December 2000

Senior Member

Rob wrote:
> Thanks for the plug, David. Yep, PAN is just a big GUI wrapper for
> MPCURVEFIT. In fact the kind of fitting described in the original post
> is done routinely at our neutron scattering facility where the whole
> model function can be composed of many Gaussians, Lorentzians,
> Lognormals, etc.
>

>>
>> Just draw and adjust the initial curve parameters on
>> the data itself, then go fit it with a click of the button.
>> Of course, it is simply a wrapper for MPFIT. The tutorial
>> Rob has provided is helpful for getting started.
>>
Thanks David and Rob,

Yes I looked at these - the trouble is that I want to perform this on
literally thousands of images (each image has one object in it). Manual
seeding is not practical. I think what I am after is described here...

http://tinyurl.com/9horr

I have started to translate the MatLab code to IDL - but it is clearly
over my head.

Thanks again,
Ben

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[Message index]

		Re: fitting mixed gaussians By: btt on Fri, 20 May 2005 07:10
		Re: fitting mixed gaussians By: Craig Markwardt on Wed, 18 May 2005 17:37
		Re: fitting mixed gaussians By: jcami on Wed, 18 May 2005 13:35
		Re: fitting mixed gaussians By: btt on Wed, 18 May 2005 07:54
		Re: fitting mixed gaussians By: Rob Dimeo on Tue, 17 May 2005 12:55
		Re: fitting mixed gaussians By: David Fanning on Tue, 17 May 2005 11:32

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