-
-
In this picture the problem is more the vegetation. I fist use the wand to select the whitish sky with its different shades, and some of the border area of the limbs or flowers and deselect areas of the bird that got seletcted also. In this image there aren't that many feathers thatindividually stand out from the bird, as in others. The yellowish area in the lower left would be a blending problem as well as the flowers. Getting rid of the extra background branches would be a lot of work also. The main thing is after proceding the way I do, there will be halos of a different shade around much or alternatively, such a sudden change at those locations where the fill stops abruptly. Either looks obviously fake at higher magifications.
| -
-
-
-
20,918 posts
Dec 23, 2006Honestly, an aggressive replacement of that sky comes off looking pretty unnatural.
Have you tried Image - Adjust - Color Balance and just nudging Highlights toward Blue? If doing so seems to shift everything too much to blue, you can counteract some of it by shifting Shadows in the other direction...
-Noel
| -
-
-
-
Lundberg02 wrote:
Gernot, your link won't save as a pdf so I had to bookmark it.
The link is working just fine, Lundberg02. Just SINGLE-click on it (not double-click, not right-click, and not Control click) on the Mac and the PDF downloads right away. As a matter of fact, check your downloads history, you may have already downloaded it more than once.
| -
-
-
Re: adust color balance:I just tired this method on another picture with birds, leaves and a white sky. Oddly, when I started moving the blue color balance to the highlights, as suggested, it got more and more magenta, not blue like sky at all. Even all the way to the right, most of the sky looked white with a slight tinge of magenta, while everything else had a very magenta cast. Since the birds have white also, this would make it difficult if it was working, I think.
I didn't understand the other post about reversing the mask.
| -
robirdman1,
I don't have the time to give answers to all your questions. But
let me explain just one problem: How can we convert white sky
into blue sky?
Basically it's done by the mentioned method, in Lab and using
conditional blending (blend if), as explained in my docs (based
on Dan Margulis' book about Lab).
Below we can see the original image and the improved image
which shows as well a very coarse selection for the sky.
The sky in the background is white. Converting white into blue
requires two steps:
1) Reduce the Lab-Lightness drastically. Bright white cannot be
made blue.
2) Shift the b-curve towards blue.
I'm aware of the difficulties using Lab. But it's worth the effort.
Images are not sharpened again after downsampling. Based
on screenshots in order to show the selection.
Best regards --Gernot Hoffmann
Corso Ercole I d'Este, Ferrara, Italy
| -
20,918 posts
Dec 23, 2006Color Balance isn't the only tool you have... For the reddish sky in the image you showed above of the Black Capped Night Herons, I'd suggest Image - Adjust - Curves, then pull the white point of the Red curve down a little. Adjust the Green curve similarly, though less - to taste. If you want to get fancy, keep the luminance the same after that adjustment by doing Edit - Fade Curves - Color.
How did I know to do that? Look at the light parts of the image - they're reddish. First thing that came to my mind was to reduce the reddish light.
-Noel
| -
-
-
-
-
-
- 10 points awarded for Correct Answers
- 5 points awarded for
-
10,000+ points
-
1,001-10,000 points
-
501-1,000 points
-
5-500 points
-
