PanoTools mailing list archive
|Subject:||Re: Gigapixel, handheld...|
Re: Gigapixel, handheld...
Erik Krause 2009-Dec-11 15:20:45
Sacha Griffin wrote:
> Thank god it wasnt for a paying client or you would have had a heart
If that was for a paying client I would have carried loads of equipment
to that summit ;-)
> It looks great without the cross. Did you use the big rock cover up the
The seams are a bit outside the rock, unfortunately. If I do something
like this again, I cover more floor in the hires version.
> Besides that. I think the tonal ranges are absolutely perfect.
> What considerations did you make there?
Not much. My first idea was a test stitch only, hence I didn't pay much
attention to the raw conversion. I just used used the Canon tool, took
an example image and adjusted settings such, that I get least clipping
of highlight and shadow detail. Then I used this settings on all images.
They came out pretty flat as expected.
> Adaptive contrast / USM? Could you explain this method a bit more?
If you use unsharp mask with a high radius (70-100 for normal web
displayed images, 250 in this case) and relatively low percentage you
get a local contrast enhancement. Since I wanted to use different
amounts on near and far mountains I used three layers with 40%, 60% and
100%. 40% was for the entire image in order to compensate for the flat
contrast from raw conversion. 60% was for the medium distant mountains
and 100% for the far away ones in the mist and against the sun. I used
very soft masks (brush radius between 1000 and 1600 pixels).
> Im more familiar with the guassian blur masks method.
The result might be similar but with USM you have an immediate preview...
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