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Need recommendation for image-repair software.

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Archived from groups: rec.photo.digital, comp.graphics.apps.photoshop, comp.ai.neural-nets, sci.image.processing (More info?)

 

Hello,

Any recommendations for downloadable software that automatically
repairs scratches in images; by applying (AI) artifical-intelligence
e.g., neural-networks in reconstructing missing pixels?

Thank-you

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Archived from groups: rec.photo.digital (More info?)

 

marcrosse@hotmail.com wrote:

> Any recommendations for downloadable
> software that automatically repairs scratches
> in images; by applying (AI) artifical-intelligence
> e.g., neural-networks in reconstructing missing
> pixels?

I'm not sure if it's sold as a download, but I've
used PSP, PS and PSE, but by far the best
digital scratch remover I've seen is the process
used by the Nikon scanning software -- is it
digital ICE? The results are spectacular. I've had
very old negs with serious scratches and even
crazing come out pristine.

Reply to Anonymous

Archived from groups: rec.photo.digital,comp.graphics.apps.photoshop,comp.ai.neural-nets,sci.image.processing (More info?)

 

marcrosse@hotmail.com wrote in news:1102385199.228524.83150
@z14g2000cwz.googlegroups.com:

> Hello,
>
> Any recommendations for downloadable software that automatically
> repairs scratches in images; by applying (AI) artifical-intelligence
> e.g., neural-networks in reconstructing missing pixels?
>
> Thank-you
>
>

Way to futuristic!

This needs a human eye and some skill with an image package

--
Youth is wasted on the young!

Reply to Anonymous

Archived from groups: rec.photo.digital, comp.graphics.apps.photoshop, comp.ai.neural-nets, sci.image.processing (More info?)

 

marcrosse@hotmail.com wrote:
> Hello,
>
> Any recommendations for downloadable software that automatically
> repairs scratches in images; by applying (AI) artifical-intelligence
> e.g., neural-networks in reconstructing missing pixels?

What about simple smoothing filters? After all, a scratch
is just a thin continuum of extreme values that can be
replaced by interpolation.

A decision tree approach might work.
No experience, just a few thoughts.

Hope this helps.

Greg

Reply to Greg

Archived from groups: rec.photo.digital,comp.graphics.apps.photoshop,comp.ai.neural-nets,sci.image.processing (More info?)

 

<marcrosse@hotmail.com> wrote in message
news:1102385199.228524.83150@z14g2000cwz.googlegroups.com...
> Hello,
>
> Any recommendations for downloadable software that automatically
> repairs scratches in images; by applying (AI) artifical-intelligence
> e.g., neural-networks in reconstructing missing pixels?
>
> Thank-you
>

The folks that write the software are rather secretive about their
algorithms. You have to go by the qualty of the results.

Paint Shop Pro works well for me, though there is a learning curve to get
the best results. It is free for a trial period, so you don't buy unless
you like. Get it a www.jasc.com.

Reply to Anonymous

Archived from groups: rec.photo.digital,comp.graphics.apps.photoshop,comp.ai.neural-nets,sci.image.processing (More info?)

 

marcrosse@hotmail.com wrote:
> Any recommendations for downloadable software that automatically
> repairs scratches in images; by applying (AI) artifical-intelligence
> e.g., neural-networks in reconstructing missing pixels?

This is not a software recommendation, but I believe what you are
describing is what is called "inpainting" in computer vision research.
There have actually been some very nice results:

http://www-mount.ee.umn.edu/~guille/inpainting.htm

With these techniques you specify where the scratch is in the image and
it fills in that area with information from the surrounding pixels. I'm
not sure about implementations of these algorithms.

Some more impressive results removing large objects from pictures:
http://www.research.microsoft.com/ [...] pr2003.pdf

Andrew Guillory

Reply to Anonymous

Archived from groups: rec.photo.digital, comp.graphics.apps.photoshop, comp.ai.neural-nets, sci.image.processing (More info?)

 

Andrew Guillory wrote:

> http://www-mount.ee.umn.edu/~guille/inpainting.htm
>
http://www.research.microsoft.com/ [...] pr2003.pdf

Erosion on steroids!

Looks like the latter can do the former, but do it better by the looks
of it.

Fantastic references, and the algorithms don't look too difficult to
implement.

Reply to Anonymous

Archived from groups: rec.photo.digital, comp.graphics.apps.photoshop, comp.ai.neural-nets, sci.image.processing (More info?)

 

Andrew Guillory wrote:

> http://www-mount.ee.umn.edu/~guille/inpainting.htm
>
http://www.research.microsoft.com/ [...] pr2003.pdf

Erosion on steroids!

Looks like the latter can do the former, but do it better by the looks
of it.

Fantastic references, and the algorithms don't look too difficult to
implement.

Reply to Anonymous

Archived from groups: rec.photo.digital (More info?)

 

"Mickey Dunston" <md588@wilberforce.grn> wrote in message
news:9eydnT2-E4RwgSjcRVn-iA@comcast.com...
> marcrosse@hotmail.com wrote:
>
>> Any recommendations for downloadable
>> software that automatically repairs scratches
>> in images; by applying (AI) artifical-intelligence
>> e.g., neural-networks in reconstructing missing
>> pixels?
>
> I'm not sure if it's sold as a download, but I've
> used PSP, PS and PSE, but by far the best
> digital scratch remover I've seen is the process
> used by the Nikon scanning software -- is it
> digital ICE? The results are spectacular. I've had
> very old negs with serious scratches and even
> crazing come out pristine.

That is because Digital ICE uses an infrared sensor to actually locate the
dust and scratches, which (in infrared) look very different from anything
that could actually be part of the image.

I hate to disillusion people, but even artificial intelligence doesn't know
what you intended your picture to look like. There are some pretty good
filters in Photoshop, though.


Michael Covington
Associate Director, Artificial Intelligence Center
The University of Georgia - www.ai.uga.edu/mc

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