[Image-SIG] Image Stacking and AVI processing

Joao S. O. Bueno Calligaris gwidion at mpc.com.br
Mon Oct 10 15:08:27 CEST 2005

On Monday 10 October 2005 09:07, David Dench wrote:
> Dear All,
> I am returning to the fold after a long absence and need a quick
> start. I want to split an AVI into a set of cropped AVI's  eg split
> the AVI from 640x480 sized frames
> into 4 quarter sized AVIs  of same length but smaller frame size.
> I then want to stack/average each AVI ( usually after aligning on a
> feature ) and then recombine
> the stacked images back into a single full size 640x480 image.
> Some of you may recognize similarities to Registax functionality
> with good reason.
> I have done a quick Python trawl and found PyMedia and NumArray
> which might help
> in what I want to do ( I know PIL of old and expect to use it ).
> Have I missed any existing software in my ignorance or are there
> alternative packages that
> I should be investigating ?
>     Very best wishes to all,
>                 David Dench
> PS As an alternative, I could glue together some existing Windows
> GUI intensive Apps. Is there a python
> Expect like package suitable for the task ?

This sounds  "doable" with the Gimp Animation Package (GIMP-GAP)  
extension for the GIMP. It won't be trivial, though.
If you want to try do do it interactively instead of programatically 
(you can code python scripts for intermediate steps in the proccess 
if you need to), go for it.

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