Photo Restoration - - Remove photopaper texture from old photo - Page 2

Vespeera · #16 10-12-2004, 09:36 AM

Quote:

Could I use your picture (it's just perfect for it) to write one?

Flora, The photo does not belong to me, and unfortunately I can't get permission from the owner of the photo for a tutorial, only for this question, which to my view is like a tutorial anyway.

Flora · #17 10-13-2004, 12:38 AM

Hi Vespeera,

No problem

....I'll look at what I have ... or maybe, someone here has a similar picture I could use ....

imrtun · #18 10-14-2004, 10:38 AM

You might want to take a look at this http://gimel.esc.cam.ac.uk/james/resources/undither/

Not figured out how to get it working yet but the results look impressive! Help would be greatly appreciated

Flora · #19 10-14-2004, 11:06 AM

Is it something you can download and try?

Does it work as 'stand alone' or plug-in?

....Yes, the results do look impressive!!!!

Thanks for the link!!!

imrtun · #20 10-14-2004, 12:30 PM

That's what I'm not sure of Flora! I think you need to download something else to get that to work, it does mention http://www.fftw.org/ but it all seems very complicated. I'll keep sifting through the information though as it looks very useful if you can get it working.

Let's hope that someone else here can shed some light on it for us

FrannyMae · #21 10-14-2004, 01:56 PM

Flora, I have a perfect image you are free to use for a tutorial. It is a picture of my mother and the only major problem with it is the honeycomb texture. I have been fairly successful using my new scanner to get rid of the texture but I would be more than happy to get the original/unaltered scan to you. I have posted the scan below. The attachment is only 100k of course, but you can see the texture quite easily. If you would like to use this for a tut just let me know how to get it to you (what size, resolution, format, etc.) I can FTP or e-mail up to 10MB.

I added a cropped version so the texture is more visible.

Flora · #22 10-14-2004, 02:16 PM

Hi FrannyMae,

What a beautiful lady!!!!!

Thank you so much .... your mother's picture is just perfect!!!! Even if only 100kb it's very clear and, as you said, 'you can see the texture quite easily' ... I'll start working on the tutorial immediately and let you know as soon as it's up...

Thanks again ...

Take care.

FrannyMae · #23 10-14-2004, 02:20 PM

Flora, I'm glad you'll be able to use the picture. She was a very lovely lady and this is one of only two picture I have of her as a young lady. Luckily they have both been well cared for (compared to some I have seen!) I do plan on working on this one myself and enlarging from the original 3x5 to possibly 8x10...wish me luck!

Flora · #24 10-14-2004, 02:31 PM

FrannyMae, I'm sure you'll do a beautiful job!!!!

If you'd like to exchange techniques, methods etc. , please don't hesitate to contact me...

I'd really love to see your end result!!!

byRo · #25 10-14-2004, 03:02 PM

Quote:

Originally Posted by imrtun

.....but it all seems very complicated...

This stuff is from the rocket science end of image processing. To use these programs you'd have to be fluent in C/C++, Fast Fourier transforms, Unix/Linux, compilers, etc...., and get used to having no user interface at all. If you want to make you own "Neat Image" plug-in or develop "Photoshop 9.0" this is the place to be.

So until somebody takes these magic "low-level" processes and turns them into a user-friendly (comercial) tool, they're going to be out of reach for just about everybody around here.
(I graduated in this general area - a long time ago, but this stuff scares me off!)

Meanwhile, we'll just have to learn to be expert users of Photoshop.

Rô

Vespeera · #26 10-15-2004, 12:40 AM

FrannieMae, what a lovely picture! It's perfect too, as far as the honeycomb texture problem.

I look forward to the tutorial Flora, I am sorry I could not get permission for the other photo.

imrtun · #27 10-15-2004, 12:46 AM

Quote:

Originally Posted by byRo

This stuff is from the rocket science end of image processing. To use these programs you'd have to be fluent in C/C++, Fast Fourier transforms, Unix/Linux, compilers, etc...., and get used to having no user interface at all. If you want to make you own "Neat Image" plug-in or develop "Photoshop 9.0" this is the place to be.

So until somebody takes these magic "low-level" processes and turns them into a user-friendly (comercial) tool, they're going to be out of reach for just about everybody around here.
(I graduated in this general area - a long time ago, but this stuff scares me off!)

Meanwhile, we'll just have to learn to be expert users of Photoshop.

Rô

That's a shame

Flora · #28 10-15-2004, 05:42 AM

Hi everybody,

Quote:

Originally Posted by byRo

So until somebody takes these magic "low-level"

... in my case, even that wouldn't be "low enough" ....

Fascinated by the results, I ventured a bit deeper ....

It would be nice if someone could create a 'Rosetta Stone' for these hieroglyphs

tzec · #29 10-16-2004, 02:57 PM

That program is a bit tricky to use but there is a Photoshop filter which can do FFT/IFFT and can be used to give similar results, get it here: http://www.pages.drexel.edu/~avc25/archive.htm To use this you run the filter on the image, look for bright "stars" on the output channels, clone them out and then perform the IFFT. This works better if you use the HSB/HSL<->RGB conversion filter to convert to HSB before editing, then convert back just before the IFFT. I've attached the result of applying this technique to the original image. This took less than five minutes to do.

The second image is the result after general repair and contrast adjustment.

imrtun · #30 10-16-2004, 03:17 PM

WoW!

great result