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Requested Feature: Auto Feathering to connection seams
Use Case:
--- You have a single photo that completes the panorama.
--- If the photo is not included you would leave a large area of the panorama incomplete or resulting in excessive cropping.
--- When included, the areas in common with the rest of the panorama degrades the rendered panorama significantly.
Current solution:
--- Follow the procedure similar to Manual correction of moving objects to mask out the parts of the photo that degrade the panorama
Problem with current techniques:
--- You have to eyeball where the overlap occurs by observing the boundaries in the Layers mode switching back and forth with your photo editor.
--- You may have several photos related to the problem area that all overlap and have to edit each.
--- You may multiple occurances of this problem with other photos resulting in a lot of hand editing outside AutoPano
--- You have to use a third party program (Photoshop, etc.) to achieve the panorama
New Feature requested:
To avoid having to open up Photoshop or any other editor:
--- When in Editing mode with "Layers Mode" selected
--- Where you see the layers listed with the check boxes next to the name of each photo
--- Have an additional column of check boxes for what I will call "Auto Feathering to connection seams"
--- By default, these would be not selected (allowing things to work as they do now)
--- When selected, the software will only include pixels not overlapping with other images.
--- To avoid seeing a seam, a certain amount of overlap, the feathering, will be included.
--- Ideally the amount of overlap (Feathering) will be adjustable
--- Ideally the amount of overlap (Feathering) will be adjustable for each edge of the photo independently
This would allow you to more finely control the contribution of each photo without having to edit individual images.
--- End ---
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An alternative would simply be to have an option that says 'this image(s) is low priority', i.e tell Autopano it/they is/are low quality and other images should be used where possible. I believe there has been discussion of making smartblend aware of focal length, so if degraded quality of one image relative to another is due to mixed focal lengths this has been discussed, and may be in the works, but the painting transparency is the only (but effective) method of getting around this.
Something to consider with your method of discarding all overlap bar a small ammount for feathering is that it would impede smartblends ability to cut out moving objects in areas where all images are good.
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focus stacking may be even better, assuming the longer focal length has sharper features. And it will be automatic.
There is an option for focus stacking in enfuse/tufuse, so if APP ever implements it....
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MKappy wrote:
--- You have to eyeball where the overlap occurs by observing the boundaries in the Layers mode switching back and forth with your photo editor.
--- You may have several photos related to the problem area that all overlap and have to edit each.
--- You may multiple occurances of this problem with other photos resulting in a lot of hand editing outside AutoPano
Placing the best of several layers on the top (rather than the bottom) helps a lot.
You can use a layer mosk to make "see-through holes" into this top layer at places where there is something wrong and you can adjust the feathering.
MKappy wrote:
--- Ideally the amount of overlap (Feathering) will be adjustable
--- Ideally the amount of overlap (Feathering) will be adjustable for each edge of the photo independently
The main advantage of using PS (or an equivalent) is that you can see the changes in real time and you can use the History tool when making a mistake. Specifying some editing actions for a panorama before you can see the exact amount of correction it needs and having to launch the rendering again when you are not satisfied with the result would be terrible!
No doubt that some day a Smarblend preview will be available in the Pano Editor so that lot of useful indications from the user on how to blend the source images will be available to Smarblend.
Note: you can include (unfathered) masks in the source images using the TIFF format (alpha channel.) That's difficult to use because a loop like set "alpha channels - stitch - render - adjust alpha channels - stitch - render ...etc" is unpractical.
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