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John Navas

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Since: Nov 04, 2007
Posts: 1371



(Msg. 1) Posted: Tue Jan 22, 2008 10:58 pm
Post subject: Noise Reduction By Image Averaging
Archived from groups: rec>photo>digital (more info?)
<http://www.cambridgeincolour.com/tutorials/noise-reduction.htm>
--
Best regards,
John Navas
Panasonic DMC-FZ8 (and several others)

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Rich

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Since: Apr 20, 2007
Posts: 77



(Msg. 2) Posted: Tue Jan 22, 2008 10:58 pm
Post subject: Re: Noise Reduction By Image Averaging [Login to view extended thread Info.]
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On Jan 22, 5:58 pm, John Navas <spamfilt... RemoveThis @navasgroup.com> wrote:
> <http://www.cambridgeincolour.com/tutorials/noise-reduction.htm>
> --
> Best regards,
> John Navas
> Panasonic DMC-FZ8 (and several others)

For a real grounding in this, check out some of the astronomy image
processing groups. They've been using the technique for around 20
years, sometimes using thousands of images. The amount of detail they
get from their images (no joke) rivals some Hubble shots of the
planets. The programs used to do it do more than just stack images.
One of the best known is "Registax" a free program.
http://www.astronomie.be/registax/

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Ali

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Since: Jul 02, 2007
Posts: 35



(Msg. 3) Posted: Tue Jan 22, 2008 11:06 pm
Post subject: Re: Noise Reduction By Image Averaging [Login to view extended thread Info.]
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No new website. He covers good topics, but can't relay his knowledge very
well.

Don't get me wrong, he is very knowledgeable, but is not a trainer at heart.


"John Navas" <spamfilter1 DeleteThis @navasgroup.com> wrote in message
news:s4tcp35ef46fqrr9l7oooj7qvnv2a22b90@4ax.com...
> <http://www.cambridgeincolour.com/tutorials/noise-reduction.htm>
> --
> Best regards,
> John Navas
> Panasonic DMC-FZ8 (and several others)
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Kevin McMurtrie

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Since: Feb 05, 2006
Posts: 166



(Msg. 4) Posted: Tue Jan 22, 2008 11:07 pm
Post subject: Re: Noise Reduction By Image Averaging [Login to view extended thread Info.]
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In article <s4tcp35ef46fqrr9l7oooj7qvnv2a22b90.DeleteThis@4ax.com>,
John Navas <spamfilter1.DeleteThis@navasgroup.com> wrote:

> <http://www.cambridgeincolour.com/tutorials/noise-reduction.htm>

I've tried that for noise back in the Oly CxxxZ days. It kinda works.

You can also blend many still life photos to simulate multiple sources
of light when you really only have one light.

Both work when the situation is too rare to justify upgraded equipment.

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I don't read Google's spam. Reply with another service.
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John Navas

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Since: Nov 04, 2007
Posts: 1371



(Msg. 5) Posted: Tue Jan 22, 2008 11:14 pm
Post subject: Re: Noise Reduction By Image Averaging [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
Your own better example would be where? Wink

On Tue, 22 Jan 2008 23:06:34 -0000, "Ali" <me RemoveThis @privacy.com> wrote in
<zLCdnbgu7qSZ6gvanZ2dnUVZ8s6inZ2d RemoveThis @pipex.net>:

>No new website. He covers good topics, but can't relay his knowledge very
>well.
>
>Don't get me wrong, he is very knowledgeable, but is not a trainer at heart.
>
>"John Navas" <spamfilter1 RemoveThis @navasgroup.com> wrote in message
>news:s4tcp35ef46fqrr9l7oooj7qvnv2a22b90@4ax.com...

>> <http://www.cambridgeincolour.com/tutorials/noise-reduction.htm>

--
Best regards,
John Navas
Panasonic DMC-FZ8 (and several others)
 >> Stay informed about: Noise Reduction By Image Averaging 
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John Navas

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Since: Nov 04, 2007
Posts: 1371



(Msg. 6) Posted: Wed Jan 23, 2008 1:13 am
Post subject: Re: Noise Reduction By Image Averaging [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
On Tue, 22 Jan 2008 16:11:51 -0800 (PST), Rich <rander3127 DeleteThis @gmail.com>
wrote in
<47712cf2-915e-4c10-be48-19c32b2a380c DeleteThis @q77g2000hsh.googlegroups.com>:

>On Jan 22, 5:58 pm, John Navas <spamfilt... DeleteThis @navasgroup.com> wrote:

>> <http://www.cambridgeincolour.com/tutorials/noise-reduction.htm>

>For a real grounding in this, check out some of the astronomy image
>processing groups. They've been using the technique for around 20
>years, sometimes using thousands of images. The amount of detail they
>get from their images (no joke) rivals some Hubble shots of the
>planets. The programs used to do it do more than just stack images.
>One of the best known is "Registax" a free program.
>http://www.astronomie.be/registax/

Idea is similar, but the objective is different.

--
Best regards,
John Navas
Panasonic DMC-FZ8 (and several others)
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Toby

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Since: May 17, 2007
Posts: 14



(Msg. 7) Posted: Wed Jan 23, 2008 4:03 am
Post subject: Re: Noise Reduction By Image Averaging [Login to view extended thread Info.]
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Of course this is completely doable, the downside being that nothing can
move in the frame between exposures.

Toby

"John Navas" <spamfilter1 DeleteThis @navasgroup.com> schrieb im Newsbeitrag
news:s4tcp35ef46fqrr9l7oooj7qvnv2a22b90@4ax.com...
> <http://www.cambridgeincolour.com/tutorials/noise-reduction.htm>
> --
> Best regards,
> John Navas
> Panasonic DMC-FZ8 (and several others)
 >> Stay informed about: Noise Reduction By Image Averaging 
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