Seam issues. How to fix?  

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Pouya Creative
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Seam issues. How to fix?

by Pouya Creative » Fri Jun 27, 2014 12:30 am

Looking for some help. Can anyone tell me why my seams are so darn noticable? And especially at my shoulders, where I cannot get a good blending? I guess maybe what I'm asking is what are you guys export settings on blending? And is the shoulder issue because I have the rig only a foot above my head and that's too close?


thanks,


JBA

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mediavets
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Re: Seam issues. How to fix?

by mediavets » Fri Jun 27, 2014 7:04 am

Pouya Creative wrote:Looking for some help. Can anyone tell me why my seams are so darn noticable? And especially at my shoulders, where I cannot get a good blending? I guess maybe what I'm asking is what are you guys export settings on blending? And is the shoulder issue because I have the rig only a foot above my head and that's too close?


thanks,


JBA


Do we get to see the image?

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Pouya Creative
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Re: Seam issues. How to fix?

by Pouya Creative » Mon Jun 30, 2014 2:17 pm

Do we get to see the image?




Apologies. Thought I had included the link. Sorry.
http://eyes.kolor.com/en/to/playvideo/1 ... ab7ea102d5

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AlexandreJ
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Re: Seam issues. How to fix?

by AlexandreJ » Mon Jun 30, 2014 4:10 pm

You didn't post the right url, this is the private link.
Quick on share, and copy that url.

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Pouya Creative
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Re: Seam issues. How to fix?

by Pouya Creative » Mon Jun 30, 2014 5:08 pm


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jasonfletcher
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Re: Seam issues. How to fix?

by jasonfletcher » Fri Jul 11, 2014 6:50 pm

What you are seeing is parallax between the cameras. The camera lenses are not shooting from the exact same location, so each camera is recording a slightly different perspective. So the closer an object is to the camera rig (such as your shoulders) then the more noticeable the parallax error will be. As a general rule I try to keep the camera rig at least 10 feet away any close passes of objects.
http://www.autopano.net/wiki-en/action/ ... -_Parallax

Also, I think this video will help you understand how to best remove seams. I found it very helpful (although Step 3 is outdated, but below I share the updated solution.)
http://www.autopano.net/wiki-en/action/ ... foreground

There is a trick to help reduce stitching errors and some parallax when shooting with a GoPro rig. When optimizing in the control point editor, there are some settings which can improve the overall stitching (see link below). Although this can be tricky because with these settings, you are allowing the footage pieces to be moved individually of each other according to the control points. So what looks like a perfect stitch in one frame, later on in the timeline might not be quite the same.
http://i.imgur.com/0K2KMtH.png

"The GoPro cameras seem identical but optically different. The sensor of the cameras is not perfectly aligned to the lens and therefore each camera has its own lens distortion model. That is why we need to change the lens distortion correction settings in Autopano."
viewtopic.php?f=47&t=21774
Jason Fletcher
Science Visualizer
Charles Hayden Planetarium
http://www.thefulldomeblog.com

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Pouya Creative
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Re: Seam issues. How to fix?

by Pouya Creative » Mon Jul 14, 2014 8:13 pm

jasonfletcher wrote:What you are seeing is parallax between the cameras. The camera lenses are not shooting from the exact same location, so each camera is recording a slightly different perspective. So the closer an object is to the camera rig (such as your shoulders) then the more noticeable the parallax error will be. As a general rule I try to keep the camera rig at least 10 feet away any close passes of objects.
http://www.autopano.net/wiki-en/action/ ... -_Parallax

Also, I think this video will help you understand how to best remove seams. I found it very helpful (although Step 3 is outdated, but below I share the updated solution.)
http://www.autopano.net/wiki-en/action/ ... foreground

There is a trick to help reduce stitching errors and some parallax when shooting with a GoPro rig. When optimizing in the control point editor, there are some settings which can improve the overall stitching (see link below). Although this can be tricky because with these settings, you are allowing the footage pieces to be moved individually of each other according to the control points. So what looks like a perfect stitch in one frame, later on in the timeline might not be quite the same.
http://i.imgur.com/0K2KMtH.png

"The GoPro cameras seem identical but optically different. The sensor of the cameras is not perfectly aligned to the lens and therefore each camera has its own lens distortion model. That is why we need to change the lens distortion correction settings in Autopano."
viewtopic.php?f=47&t=21774




Thanks Jason, that's all a great help. I'll look into all these and then let you know.

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Pouya Creative
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Re: Seam issues. How to fix?

by Pouya Creative » Wed Jul 16, 2014 6:28 pm

Thanks Jason, that's been a huge help.

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Re: Seam issues. How to fix?

by jasonfletcher » Thu Jul 31, 2014 4:50 pm

Excellent! My pleasure to help.
Jason Fletcher
Science Visualizer
Charles Hayden Planetarium
http://www.thefulldomeblog.com


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