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Old July 14th, 2010, 10:22 PM   #61
Dekoda
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Quote:
Originally Posted by Darth Joules View Post
To paraphrase Dustin Hoffman. I just want to say one word to you. Just one word: curves!

Read and learn (and there are some other very useful bit sized tuts here too):

http://www.cambridgeincolour.com/tut...hop-curves.htm

Curves is the most powerful tool in PS at your disposal. It may take a lot of practise to learn how to use it properly and effectively, but it can do a hell of a lot more than color balance, brightness and contrast can together. I will use the latter tools after using curves for any very minor tweaks before final editing. Here's a WIP example (the raw scan is on the right).



Hi there DJ! I have tried and tried to use curves....I even have Curvemeister which is like curves on steroids, and I have never been able to understand how to use them. I have read tutorials, tips, I read the article on the link you posted, and curves still make no sense, so I never use them.

There are several things about curves that are the most confusing to me..... One thing....every time I read some tutorial or tip, they tell you about moving the anchor point one way or the other, what they don't tell you is where to place the anchor points and why. How can you adjust the curve, when you don't know where to start? Plus, how many anchors do you need....3...4...5? Ive seen tips that use any number of points, but it never says why you need that many.

Second, I've found that if you randomly pick an anchor point, the slightest movement of that point off the line will result in a lot of adjustment. You can't make a tiny incremental adjustment. It's like all or nothing.

It seems to me that using curves is more of a guessing game....do I place the anchor point here...maybe over there, how many anchor points should I use....how much and in what direction do I pull the anchor point and which anchor point should I pull. There is no rhyme or reason as to how to work with them.

From my own experience, I can do everything that curves can do by using levels, saturation, color balance, and contrast/brightness, and I can make incremental adjustments with those.

I know that those people who use curves, swear by them, but for me, I want the most precise control I can get, and curves doesn't do that.

I used the picture you posted and made my adjustments to it. I like to reduce the reddish tint to pictures more than others do (you can see it in her hair), but this is what I get without using curves.


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Old November 20th, 2010, 08:46 PM   #62
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Could you please judge which scan looks best to you?

1:


or 3:


And is the difference big in your perception?
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Old November 20th, 2010, 09:10 PM   #63
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Quote:
Originally Posted by Dario Rosselini View Post
Could you please judge which scan looks best to you?

And is the difference big in your perception?
Very little difference.
I would say the print is a little clearer in #1, but that is only noticeable by cutting and pasting one next to the other. Just putting the two in Slideshow I couldn't tell.
I agree with you about pimp&host or whatever it's called too Dario. Drives me up the wall.
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Old November 21st, 2010, 11:31 AM   #64
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Clearly #2 is a little darker in the shadows, but both are GREAT and I can't decide!

cheers,
hartwig

Quote:
Originally Posted by Dario Rosselini View Post
Could you please judge which scan looks best to you?

1:


or 3:


And is the difference big in your perception?
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Old November 21st, 2010, 12:12 PM   #65
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Default How's this??

I played around some more with my scanner and photoshop and came to a simple but to me very convincing solution: Curves!! (Yes, Darth Joules was absolutely right!)

Of each the first is what my scanner produces (using no color correction at all!), the second of each is what comes out with a curves master I created (more to that later):



I was amazed by the results so I did some more testing using different magazines by differend publishers. You can download the comparisons right HERE.

I intenionally chose mags that both feature strong and weak colors and I trust you will find out which one's are of which kind.

The pro:
The colors look just like in the magazines

The con:
The colors look just like in the magazines -> Weak colors just stay weak!

Bottomline:
This seems to be an easy way of achieving great results

I use a Canon Scanner and Photoshop and HERE's my curves master. You can play a little with opacity if you want to tweak the results.

If you want to create your own master fitting your scanner - which I recommend - do the following:
1) Turn of ALL color correction (please do NOT turn off demoirée!)
2) Scan an image with the most extreme (but pure!) black, white, yellow, blue, red and green colors
3) Crop the scan result to the scanned image's dimensions
4) Create a new "adjustment layer"/"curves" and apply the auto function
5) Paste scanned images into the master as a new layer beneath the curves adjustment layer
6) Crop the image

Ok, this one was a major thing for me so I'd like to know from you! What are your results? Do you have any hints for me?

Cheers,
hartwig
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Old November 21st, 2010, 02:20 PM   #66
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I've scanned a few mags on here. I have photoshop but don't know how to use it. I place the mag on the scanner and scan. Some complained my scans were too big, then when I reduced them some complained they were too small. So now just scan it.
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Old November 21st, 2010, 04:02 PM   #67
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Quote:
Originally Posted by hartwig View Post
Clearly #2 is a little darker in the shadows, but both are GREAT and I can't decide!
Thanks guys, now I know that the fast and easy way is good enough.
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Old November 26th, 2010, 08:44 AM   #68
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Quote:
Originally Posted by drbbb View Post
cooljcb these scans look great! Can you give some advice about how you do them? What scanner/resolution do you use? And what do you use for noise reduction?
Thanx!
I always scan at 300dpi resolution with descreen filter. Then in Corel Paintshop Pro X2 apply the one step noise reduction filter and then i manually retouch with the clone brush or/and scratch remover. Joining pages is tricky sometimes as not all the page is scanned unless you take the magazine apart which i don't want to do !!

Some more babes from Volume 8 Number 4, double pages joined.........

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Old April 20th, 2011, 12:45 AM   #69
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Thanks to everyone posting there input and valuable info on scanning. My problem with scanning is that no matter what setting i have the dpi on, I get "speckles" or "white clipping" and usually "graining" in the pics. My scans don't even come CLOSE to these wonderful works of art.

So, here's what I use: HP all in one 4180 and GIMP 2.6 or HP Photosmart Premier for enhancing. I scan using heavy books, I tried all kinds of methods and settings, but the pics still come out crappy, IMO. Is it my scanner? Do I need a stand alone scanner? If so, what would you recommend someone who's on a budget? Thanks.

My usual scan settings: 300 dpi, 100% size, sharpening OFF, that's it. I don't touch any other enhancement. I swear that my old stand alone Canon scanner from years ago did a better job.

Last edited by Dman44; April 20th, 2011 at 01:11 AM..
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Old April 20th, 2011, 07:43 AM   #70
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Quote:
Originally Posted by Dman44 View Post
My problem with scanning is that no matter what setting i have the dpi on, I get "speckles" or "white clipping" and usually "graining" in the pics.
Without pics it's difficult to judge. First guess with scanning: do you use descreening? It should be a setting in your scanning driver software (not Gimp). this usually improves the quality of scans.
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