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Re: Clouds in hi resolution pano (Celeste 2.0?)

by Yuval Levy-6 :: Rate this Message:

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Jim Watters wrote:
> Wow!  sounds complicated.  I must admit my normal panorama shooting
> process does not require using Celeste.
>
> Wouldn't the simple solution be for Celeste to remove points if there is
> a mixture of cloud and non-cloud points joining two images.


I think I did not explain myself properly. The problem is not bad CP
on moving clouds. It is the moving sky in relationship with the static
subject. It could be also a sky of star.

Look at <http://groups.google.com/group/hugin-ptx/web/Screenshot-Fast
%20Panorama%20preview.png>

The static scene stitches perfectly, but the background sky has moved
between the row containing the tip of the clock-tower and the row
below it.

The easy way out is to fiddle with the clone tool or some other image
editing tool around the seam between the two rows.

The smart way out IMO would be to mask out the static features (the
top of the clock-tower) from the top row and then shift to correct for
the cloud movement over time. Probably shifting the whole row is good
enough, though shifting each composing image proportionally to the
timestamp difference may be more accurate. This will leave much less
fiddling in the image editor: mostly where the sky has moved behind a
static feature, and a little also where the clouds have changed shape
over time (easy, because no accuracy is required).

Yuv
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