Hi -- I have 30 pics that form a stack of star pictures with which I intend 
to do a median image average with gmic. They are a bit unerexposed. I'm 
trying to use hugin to align them.

I mask out the ground and horizon, etc, and have hugin align just the star 
field. The default cpfind doesn't do a great job, so I've created my own CP 
detection params:

--fullscale --sieve1width 15 --sieve1height 15 --sieve1size 100 
--kdtreesteps 500 --ransaciter 2000 --ransacmode rpy -o %o %s

...this has improved things a lot, and the remapped images are very close, 
but it's still not close enough to do the median image calculation. The 
first and last image (representing the largest spatial shift from the stars 
rotating in the sky) are still off by 5 or 10 pixels.

I don't really understand the parameters I'm playing with (except maybe the 
sieve* params) so I'm just ignorantly shooting in the dark. Any tips on how 
to make this better?

Thanks for any ideas!

-- 
A list of frequently asked questions is available at: 
http://wiki.panotools.org/Hugin_FAQ
--- 
You received this message because you are subscribed to the Google Groups 
"hugin and other free panoramic software" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To view this discussion on the web visit 
https://groups.google.com/d/msgid/hugin-ptx/75a78204-e9d0-4d53-90cf-1630a84839b1%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to