editing scanned pictures

  • eSeTe
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Post 3+ Months Ago

Hi!

Which are the most common filter effects u use to edit scanned pictures?

Can someone give a short tutorial from the most common things you have to do with scanned photos so it’s less noticeable that the picture has been scanned?

Tnx!
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Post 3+ Months Ago

  • Burnt_Raven
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Post 3+ Months Ago

Is this with Photoshop?
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Post 3+ Months Ago

Hmmmmm. What is your scanner doing to your photos that makes it apparent that they were scanned as opposed to a normal digital image?
  • Captain-Nick
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Post 3+ Months Ago

I have a tip. (Working in Photoshop CS2).

If you sketch something on paper, and scan it for a website or whatever, and you want it for part of the layout, then presumably you'll want to make the background transparent.

When you try to use the magic wand to select the areas you don't want, it usually selects a fraction of the drawn line, because of it's lightness. This makes it looks quite rough.

So, duplicate the layer with the sketch on. Increase the Contrast to full.

With the second layer (high contrast) selected, use the Magic Wand tool to select the areas that you don't want. When the selections have been made, make this layer invisible. Select the first layer, the one you wish to edit, and hit Delete.

This should neatly get rid of the white parts. You may need to touch some parts up depending on the intricy of the drawing.

Note: Make sure you're using a transparent canvas :wink:.
  • Captain-Nick
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Post 3+ Months Ago

Ooops. Didn't read the first post properly. Missed the part about photos. Sorry, I'm a little tired :oops:.

// EDIT: Try incresing the DPI for the scan. I'm asuming that the quality isn't that good after scanning it?
  • eSeTe
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Post 3+ Months Ago

Hi all!

Yes, I meant photos :)
…I use Photoshop CS2


Let’s say that the photos are scanned by someone else, and I have the job to edit and cut the images.

The thing that irritate me the most are those “balls” of colours. I don't know if that's because he scanned in low quality :S

I usually do the following things:
Image -> adjustments ->
(Auto) levels
(Auto) contrast
(Auto) color

Then in filter:
Sharpen -> sharpen

(But it depends on the scanned picture)

…So my question was if someone knew something more/other stuff or a basic tutorial to edit scanned pictures

I hope I was clear enough :S lol ;)
thnx in advanced!
  • Captain-Nick
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Post 3+ Months Ago

Try this...

Change the mode to LAB (Image > Mode > Lab Color).

Open the channels pallette (Window > Channels).

Select the 'B' channel, and gaussian blur until it looks smoother.

Repeat this on the 'A' channel and the 'Lightness' channel.

Not change back to RBG color (Image > Mode > RBG Color).

I'm not sure if this is what you're after, but give it a go and see if it improves the image.

Note: Don't overdo the gaussian blue, because it will end up losing detail on the final image, and just look blurry.
  • mtg131g
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Post 3+ Months Ago

If I edit a photo it is normally on the end of AUTO(something) other wise it is a piece of are work that I am constructing and then only lords knows what I might do to it. Photos i leave alone normally.

mtg
  • blink182av
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Post 3+ Months Ago

Is there a chance you are my grandfather? He asked the same question 2 days ago when he was at my house. Hmmmm....
  • Captain-Nick
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Post 3+ Months Ago

Blink182av, I think you need to visit this thread, http://www.ozzu.com/ftopic42341.html.
  • eSeTe
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Post 3+ Months Ago

tnx Captain-Nick!
I’ll test it right away ;)


And…sorry blink182av, I forgot to tell you that I have internet and that I participate in forums :S lol

ehehe ;)
  • Captain-Nick
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Post 3+ Months Ago

Not a problem eSeTe. If it doesn't work, then post an example of one of these photos, and I'll have a look and see what I can do. I'm curious about it myself :?:
  • eSeTe
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Post 3+ Months Ago

Hey captain!

Here you are ;)
http://users.pandora.be/eSeTe/knoxville_tombstone.jpg

(it could be worse, but I can’t find one right now)
  • blink182av
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Post 3+ Months Ago

My grandfather has internet, but I don't know about forums.
  • Captain-Nick
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Post 3+ Months Ago

Hmmm. Would you problem be that the surface of the magazine when scanned was uneven, therefore making the colour uneven by adding unwanted shade in places?
  • eSeTe
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Post 3+ Months Ago

Nope…it is also with flat scanned sheet of paper or just small posters or stuff

I guess that what I mean is caused by the print it self. For big print the usually expand the pixels to make it bigger right? Someone told me that in Photoshop was a filter that it could help a bit, but I can’t remember…
  • Captain-Nick
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Post 3+ Months Ago

Oh right. So it's the quality of the printing that is the problem?
  • eSeTe
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Post 3+ Months Ago

mmm…I don’t know how to explain it….
Could you edit that picture and post it? Then maybe I could see if you have corrected that what I mean :)
  • Captain-Nick
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Post 3+ Months Ago

I'd love to, but I'm not quite sure what it is that needs touching up.

Perhaps an idea would be to PM a Mod, asking them to move this topic to the Digital Art Forum, explaining that you posted it in the wrong place. If it was in the Digital Art Forum, then you might have more look. I don't do a lot of work with scanning and photographs, but I'm sure there are people on Ozzu who do, and who would be much more help to you than me.
  • mtg131g
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Post 3+ Months Ago

Captain I think you hit it on the head there.

the magazine was uneven when the picture was scanned. the weight of the magazine and the top of the scanner was not heighy enough to place it flat for the scanner to pick up a clean image. he has a high resolution scanner and with the hills and valleys that are created when the scan is done creates the color shift from the lights being the hills and the darks being the valleys. One way to correct this is to remove the picture from the magazine and place a biochemisrty book on it ( why biochemistry is because I dont think they have ever made one of these books that is not twice as thick as the bible LOL) and then leave the scanner top open and you should get a better scan. Try this and repost the scan so we can see if that made the difference. it makes it alot easier when you post the picture to help solve the problem.

mtg

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