Old 02-22-2012, 12:47 PM   #1
BUFFIE
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Default Going from Color to B&W

Trying something new.

I have Corel Paint - anybody use this to play around converting color to BW?

Thanks

BUFFIE

http://www.railpictures.net/viewreje...86&key=4705570

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Old 02-22-2012, 12:51 PM   #2
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Buffie, the [photoid=xxxxxx] code only works on accepted images.
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Old 02-22-2012, 12:59 PM   #3
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Too dark and also not enough contrast. B&W shots should be black and white whereas your shot is grey.
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Old 02-22-2012, 01:06 PM   #4
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Not sure if you are asking for suggestions on the photo or about Corel Paint, but Y629 is UP yellow as seen in your accepted color photo:
Image © BUFFIE
PhotoID: 389076
Photograph © BUFFIE


But, in your b/w conversion, it looks like it is nowhere near where yellow should be in a B/W. The over all photo also has an under exposed feel to it.
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Old 02-22-2012, 01:32 PM   #5
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Quote:
Originally Posted by Joe the Photog View Post
Too dark and also not enough contrast. B&W shots should be black and white whereas your shot is grey.
I agree. I would just forget about this shot (no hard feelings...).
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Old 02-22-2012, 01:43 PM   #6
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Quote:
Originally Posted by Joe the Photog View Post
Too dark and also not enough contrast. B&W shots should be black and white whereas your shot is grey.
Yup. What did you do? Does Corel Paint do anything other than a grayscale conversion? Seriously, this almost looks intentional, like you wanted all gray. Look at your histogram. BW is about tonal contrasts, so you should see things at both ends of the histogram. Or, visually, you should see something other than gray, some blacks and whites.

Quote:
Originally Posted by EMTRailfan View Post
But, in your b/w conversion, it looks like it is nowhere near where yellow should be in a B/W. The over all photo also has an under exposed feel to it.
Well, in principle there is nothing wrong with turning the yellows dark, if that is the look one wants from a BW conversion. Highly unconventional, of course (and RP is not about breaking convention, much). And not the way to start out if just learning. So I only object to the dogmatic "should be", while fully understanding that in most or nearly all cases dark yellows are likely to not be desirable. Just being clear that there is no "right" BW conversion, just conversions that are preferred by more people or that enhance the image in some interesting way.

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I agree. I would just forget about this shot (no hard feelings...).
Maybe for RP, but he might as well start learning sometime and there is certainly an initial hurdle to be crossed, might as well do it with this one. And then (presumably) one can learn something about what makes particular images better or worse candidates for BW. I myself can't tell in advance, I don't have the eye for that yet.
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Old 02-22-2012, 03:08 PM   #7
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This thread provides a reasonable excuse, by RP forum standards anyway, for showing my latest upload, a BW conversion wiht a (CSX) yellow nose, in this case turned almost (backlit) white. Hooray for the excuse!

Image © Janusz Mrozek
PhotoID: 390244
Photograph © Janusz Mrozek


And a previous effort, again, to almost white. Not the only choice, may be coincidence that I did both the same way (separated by some years) or maybe I have a subconscious preference for that look.

Image © Janusz Mrozek
PhotoID: 372933
Photograph © Janusz Mrozek
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Old 02-22-2012, 06:18 PM   #8
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Here's a couple of examples of mine:

Image © John Crisanti
PhotoID: 390142
Photograph © John Crisanti


Image © John Crisanti
PhotoID: 388454
Photograph © John Crisanti


Image © John Crisanti
PhotoID: 387482
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Old 02-23-2012, 12:10 AM   #9
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Default Thanks for the replies

This was the first submittal and I guess I took the rejection to mean it was too light vs focusing on contrast.

http://www.railpictures.net/viewreje...79&key=6359245

I did a search of previous posts and could not find anything specific to the Corel program to convert a color photo to B/W. The program has a one-click tool to convert but figure that will not 'make' a good photo.

I donít really care about submitting this particular image as much as better understanding the process. I'll learn more about the histogram tool as well.

I actually uploaded this one by mistake - but it suffers from the same problem as the first in terms of contrast and darkness.

http://www.railpictures.net/viewreje...78&key=2705009

And thanks again,

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Old 02-23-2012, 12:58 AM   #10
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The second shot is not a GP15-1. It's a MP15 of some variation. Do a RP search on the number. As far as the B&W is concerned, that shot is a little closer to being right than the yard shot, but it's still way off. Both still suffer from the same thing as the first one you uploaded -- they aren't B&W; they're grey. There is no variation to speak of in the colors on the engines side by side and there should be. Can we see the color versions?
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Old 02-23-2012, 01:05 AM   #11
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Quote:
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The second shot is not a GP15-1. It's a MP15 of some variation. Do a RP search on the number.
Looks like he left in info from a previous upload, Joe, it is all about Y629 by mistake.

I would imagine, however, that if the number is Y629 that the engine should go in as UP Y629 and not UP 629, no? Not ever seeing UP, this info has not registered with me.
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Old 02-23-2012, 01:31 AM   #12
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Quote:
Originally Posted by BUFFIE View Post
This was the first submittal and I guess I took the rejection to mean it was too light vs focusing on contrast.

http://www.railpictures.net/viewreje...79&key=6359245
This is what I meant as a more realistic conversion of UP yellow to grey scale vs. the charcoal grey in the OP. Take the "1016179" reject and work on the contrast and under exposed appearance, and I "think" you should be OK.
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Old 02-23-2012, 02:57 AM   #13
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Default Your right Joe

Yes Joe your right about it being an MP15 - I grabbed this pic by mistake when in fact I wanted to grab the North Yard pic to post.

I did see where some adjust YGB when in BW mode to get the desired effect.

Cheers

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Old 02-23-2012, 03:31 PM   #14
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Buffie, how are you converting these to B&W?
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Old 02-24-2012, 05:50 AM   #15
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Default Hello John

I pull up a pic in Corel Paint ProX2 - go to Effects / Photo Effects / and click on Black and White Film. It then does it's majic and converts to B/W.

From there I play around with the contrast and darkness, but suspect the trick is to play around with the red/yellow/green to get the desires results?

Just starting to play around with it so I am not quite there.

Thanks John....how did you convert yours?

Derek
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Old 02-24-2012, 01:46 PM   #16
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This link is how to do conversions in Photoshop, but if you have similar types of controls in your program, it might be helpful to you.

http://www.kenrockwell.com/tech/photoshop/b-w.htm

I'd worry less about the actual Photoshop steps that Rockwell describes, but focus more on the concepts.

DS
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Old 02-24-2012, 02:23 PM   #17
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Quote:
Originally Posted by BUFFIE View Post
I pull up a pic in Corel Paint ProX2 - go to Effects / Photo Effects / and click on Black and White Film. It then does it's majic and converts to B/W.

From there I play around with the contrast and darkness, but suspect the trick is to play around with the red/yellow/green to get the desires results?

Just starting to play around with it so I am not quite there.

Thanks John....how did you convert yours?

Derek

Buffie,

I use the Gradient Tool to convert these to black and white and of course messed around with the contrast, etc. I did an example on one of your color images.
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Old 02-26-2012, 07:19 AM   #18
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Default Thanks John - I'll play around with the settings

Thanks again

DB
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