futurepx
Posts: 2
Location: United States
Registered: 21 Nov 2012
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Trouble with editing shadows out
Posted: 21 Nov 2012 at 17:48 GMT
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I shot a 360x180 pano early in the morning when the sun was still low causing it to cast very long shadows of myself and the tripod across the floor. In order to edit these out of the nadir shot and a front shot, I manually brought them into Photoshop and used content-aware to remove them. I then brought them into AutoPano Giga and ran the detection... it's result was completely warped.
However, when I ran the detection in APG with the images straight off the camera (unedited for the shadows), APG was able to perfectly stitch everything together...
Here's the weird part... I saved this perfectly stitched pano as a template in APG, opened up the group with the edited images, detected using the template from the well stitched pano and the result was still warped.
Anyone have any ideas to what is going on here? Screenshots below. Thanks!
Edited the shadows out of the nadir shot
Edited the shadows out of the front shot
Comparison of the two detections even with the template used on the second detection, the results were still warped
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DennisS
Posts: 1623
Location: Los Anglels, United States
Registered: 1 Sep 2007
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John Houghton
Posts: 3710
Location: Hitchin, United Kingdom
Registered: 17 Jan 2005
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Re: Trouble with editing shadows out
Posted: 21 Nov 2012 at 21:31 GMT
updated: 21 Nov 2012 at 21:32 GMT
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futurepx said: However, when I ran the detection in APG with the images straight off the camera (unedited for the shadows), APG was able to perfectly stitch everything together...
One possible explanation is that the orientation of the images is not consistent. Opening and saving an image in Photoshop loses the orientation tag set by the camera's auto rotation feature. Try opening all the images in Photoshop and saving to TIFF format - all in portrait or all in landscape - and then try another stitch. That may solve the problem.
John
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Smooth
Posts: 4014
Location: Mount Panorama, Australia
Registered: 21 Jul 2004
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Re: Trouble with editing shadows out
Posted: 22 Nov 2012 at 1:33 GMT
updated: 22 Nov 2012 at 1:38 GMT
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You may have lost the EXIF data when you edited the image as the second stitch shows you are using a "standard" lens and not a fisheye as it shows in the first.
You should adjust the lens settings and make sure all images in the panorama group are accepted as the same values. This is easily done using the "image properties" icon.
Regards, Smooth 
www.omnipix.com.au
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futurepx
Posts: 2
Location: United States
Registered: 21 Nov 2012
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Re: Trouble with editing shadows out
Posted: 26 Nov 2012 at 21:48 GMT
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Smooth said: You may have lost the EXIF data when you edited the image as the second stitch shows you are using a "standard" lens and not a fisheye as it shows in the first.
You should adjust the lens settings and make sure all images in the panorama group are accepted as the same values. This is easily done using the "image properties" icon.
Regards, Smooth
www.omnipix.com.au
Thanks for the response. I suspect that the edited image did lose its exif data... however, I am running into a problem when trying to change it in APG to fisheye. When opening up the image properties window, I see the image that I edited as a "Standard" type lens, when I change it to fisheye and click ok, I am given the warning "You cannot mix fisheye lens and standard lens."
In this panorama that I did, I actually have 3 focal lengths (16mm, 50mm, and 200mm - APG is able to stitch and blend them together very well). So I am not not sure why APG is telling me I cannot mix lenses even though when I preview it with the images straight off the camera (with mixed lenses) it works wonderfully. Thoughts?
Screenshot below.
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Judy-A
Posts: 582
Location: Edmonton, Canada
Registered: 20 Jan 2010
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Re: Trouble with editing shadows out
Posted: 27 Nov 2012 at 7:02 GMT
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futurepx said: In this panorama that I did, I actually have 3 focal lengths (16mm, 50mm, and 200mm - APG is able to stitch and blend them together very well). So I am not not sure why APG is telling me I cannot mix lenses even though when I preview it with the images straight off the camera (with mixed lenses) it works wonderfully. Thoughts?
Although I also use APG, I don’t mix focal lengths so can’t help you. I recommend you head over to the Kolor forums and ask your questions there.
www.kolor.com/forum/
Judy
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