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PixInsight Forum (historical)
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New Tool: LinearFit
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Topic: New Tool: LinearFit (Read 16358 times)
Carlos Milovic
PTeam Member
PixInsight Jedi Master
Posts: 2172
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Re: New Tool: LinearFit
«
Reply #15 on:
2010 September 13 08:09:33 »
Sander, not always, but usually it works better with stretched images.
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Regards,
Carlos Milovic F.
--------------------------------
PixInsight Project Developer
http://www.pixinsight.com
Jordi Gallego
PixInsight Addict
Posts: 279
Re: New Tool: LinearFit
«
Reply #16 on:
2010 September 15 11:09:39 »
Very interesting tool Juan
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Jordi Gallego
www.astrophoto.es
Niall Saunders
PTeam Member
PixInsight Jedi Knight
Posts: 1456
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Re: New Tool: LinearFit
«
Reply #17 on:
2010 September 22 17:16:27 »
Quote
I thought HDRWT should only be applied on non-linear images, right?
A fair comment - but I think that the point being made was that application of HDWRT
to
a
linear
image
will
result in a
non-linear
image.
As Carlos says, if you get the image out of the 'confines' of its original linear space first, HDWRT has more 'meat' to work its magic on.
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Cheers,
Niall Saunders
Clinterty Observatories
Aberdeen, UK
Altair Astro GSO 10" f/8 Ritchey Chrétien CF OTA on EQ8 mount with homebrew 3D Balance and Pier
Moonfish ED80 APO & Celestron Omni XLT 120
QHY10 CCD & QHY5L-II Colour
9mm TS-OAG and Meade DSI-IIC
Carlos Milovic
PTeam Member
PixInsight Jedi Master
Posts: 2172
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Re: New Tool: LinearFit
«
Reply #18 on:
2010 September 22 17:38:15 »
Yes, but it will still be linear locally. This means, some processes like Deconvolutions still have some meaning with HDRWT applied to raw/linear data. I think Juan made an example of this some time ago.
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Regards,
Carlos Milovic F.
--------------------------------
PixInsight Project Developer
http://www.pixinsight.com
José Manuel Pérez Redondo
Newcomer
Posts: 18
Re: New Tool: LinearFit
«
Reply #19 on:
2010 December 10 11:47:28 »
Joan, Vicent and the other pi-workers:
Thanks for this fantastic HDRcomposition. I didn't see at September but I work with it today. Fantastic progres for my images!!
Thanks
José Manuel Pérez Redondo
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PixInsight Forum (historical)
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PixInsight
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Release Information
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New Tool: LinearFit