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Advice: Flash didn't go off

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  #1  
Old 02-17-2003, 10:58 AM
DannyRaphael's Avatar
DannyRaphael DannyRaphael is offline
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Advice: Flash didn't go off

I'm posting this image on behalf of Greg Szczyrbak, who graciously loaned this pic to me for the photo-art forum.

He's very new to Photoshop and wondered what could be done to improve this image.

If you post an image, please post some relatively basic instructions on what you did.

TIA...

~Danny~
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File Type: jpg baby-peek-a-boo.jpg (39.3 KB, 285 views)
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  #2  
Old 02-17-2003, 12:39 PM
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Leah Leah is offline
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I just tried the fill-in flash technique from Katrin Eismann's book:

1. Open the image (baby-peek-a-boo.jpg)
2. Duplicate the image (Image -> Duplicate) to get baby-peek-a-boo copy.jpg
3. WITH THIS COPY IMAGE, convert to greyscale (Image -> Mode -> Grayscale)
4. STILL WITH THE COPY IMAGE, apply some Gaussian Blur (Filter -> Blur -> Gaussian Blur). At this size of image I used a 3 pixel radius; if you were working on a larger scan you might want to go up to 4, 5 or even 6 pixels.
5. STILL WITH THE COPY IMAGE, invert the image (Image -> Adjust -> Invert)
6. GO BACK TO THE ORIGINAL IMAGE (i.e. baby-peek-a-boo.jpg). Load the grey channel of the copy image as a selection (Select -> Load Selection) - under Source, Document dhould be "baby-peek-a-boo copy" and Channel should be "Gray"
7. STILL WITH THE ORIGINAL IMAGE, copy the selection to a new layer (Layer 1) by hitting Control-J.
8. MAKE SURE YOU HAVE LAYER 1 ACTIVATED. Fill layer (Edit -> Fill) - Contents use 50% Gray, Blending Mode Color Dodge, Opacity 100%, make sure the Preserve Transparency box is checked ON.
9. If desired, adjust the opacity of Layer 1.
10. Flatten image (Layer -> Flatten Image).

There was quite a lot of compression in the posted image, which has affected the result in a couple of places, but following these steps with a high-res scan should produce good results.
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File Type: jpg baby-peek-a-boo copy.jpg (94.8 KB, 222 views)
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  #3  
Old 02-17-2003, 08:46 PM
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chiquitita chiquitita is offline
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Like Leah said - there was quite a bit of "compression damage" to the photo which I didn't attempt to fix, but as far as the flash goes -
I duplicated the image and put it in screen mode then used an alpha channel to paint the screen mode into the dark areas. There were a few areas where it was discolored, so I used a color layer to paint back in some more natural color.
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File Type: jpg no_flash.jpg (59.5 KB, 174 views)
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  #4  
Old 02-18-2003, 08:39 AM
gszczyrb gszczyrb is offline
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thanks for thew assistance...

I am the photographer/father. I'm looking forward to trying some things out. I have the original saved as 3 megapixel, fine compression JPG. I made it smaller for the web so it wouldn't take forever to download. Hopefully I should be able to work with that.

Thanks again.
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  #5  
Old 02-20-2003, 12:39 AM
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BigAl BigAl is offline
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Contrast masking works very well on this image.

Contrast masking in PSP.
Contrast masking in PS.
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  #6  
Old 02-21-2003, 10:35 AM
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feivel feivel is offline
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Quote:
Originally posted by Leah
I just tried the fill-in flash technique from Katrin Eismann's book:
6. GO BACK TO THE ORIGINAL IMAGE (i.e. baby-peek-a-boo.jpg). Load the grey channel of the copy image as a selection (Select -> Load Selection) - under Source, Document dhould be "baby-peek-a-boo copy" and Channel should be "Gray"
.
I don't understand what is happening when this step is done. How can a greyscale image have a grey channel, the whole image is grey. Do you know what actually is being done?

feivel thanks
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Old 02-21-2003, 11:53 AM
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Leah Leah is offline
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It does have a grey channel. In fact. unless you've played around creating new alpha channels, it ONLY has a grey channel. If you follow along with the steps and pull down the down-arrow thingy then Gray is the only option at that point. You're using the grey channel (for these purposes, == lightness) of the greyscale image as a selection mask.

I just specified that the Channel box should say Gray because

(1) when I am a beginner and following along with a step-by-step I like to know what goes in all the boxes, even if they are the default/only available settings. This is probably a sign of deep fundamental insecurity but I'm going to inflict it on everyone else anyway...

(2) in Katrin's book she refers to it as the "black" channel, which confused me when I was trying this technique (I confuse easily, in addition to the insecurity thing). So I wanted to be sure and specify that the box actually says Gray (in PS7, anyway)

(3) often when I'm using this technique for real I have a whole bunch of copies of the same image open ("XXXX", "XXXX copy", "XXXX copy 2"... etc.) that I'm trying out different things with. It's very easy to pick the wrong one to use when loading a selection, so making a point of checking that the grey channel is selected is a double-check that I've picked the correct image in the "Document" box. If there isn't a grey channel listed then I've accidentally picked a non-greyscale source (d'oh!).
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  #8  
Old 02-21-2003, 01:54 PM
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feivel feivel is offline
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thanks leah, I am very new to PS although I am spending lots of time learning it, I was trying to follow your steps mentally here at work where I don't have PS. I got stuck at that step because I couldn't understand what exactly was occurring.
I'm sure when I actually try it it will become transparent (Ihope not really transparent, that would mean I hit the wrong button)

Your description was quite clear
thanks
feivel
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  #9  
Old 02-24-2003, 10:45 AM
cello cello is offline
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Question Danny

Hi

Couldn't resist having a go with this charming shot! Firstly, I don't think the shot need anything done - you can't beat natural lighting... IMHO

Have a look at the attached - it's as much as I feel comfortable changing the look of the shot.

Basically worked with adjustment levels and then created two layers, the top one of which was 'screen' with 33% opacity.

Hope you like the result - I really like the shot; well done (Greig should switch off his flash more often ;-)

Cello
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File Type: jpg cheeky_peek.jpg (87.0 KB, 161 views)
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  #10  
Old 02-24-2003, 11:04 AM
cello cello is offline
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Had to try this as well - just removing the toys in the background.
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File Type: jpg cheeky_peek_2.jpg (80.6 KB, 111 views)
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