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Author Topic: Photoscan vs Laserscanner  (Read 14928 times)

piste

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Re: Photoscan vs Laserscanner
« Reply #15 on: October 09, 2012, 04:06:54 PM »
Lidar point cloud overlying the photogrammetry one..

piste

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Re: Photoscan vs Laserscanner
« Reply #16 on: October 09, 2012, 04:11:15 PM »
A cross section through point cloud...
In this part of the point cloud there is a difference between Lidar datum and photogrammetric one of about 0,20/0.30 meters...
Flat surfaces show this singular artefact...similar to some waves..
Why?

piste

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Re: Photoscan vs Laserscanner
« Reply #17 on: October 09, 2012, 04:14:08 PM »
Model view

piste

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Re: Photoscan vs Laserscanner
« Reply #18 on: October 09, 2012, 04:14:56 PM »
Camera calibration parameters...initial

piste

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Re: Photoscan vs Laserscanner
« Reply #19 on: October 09, 2012, 04:15:35 PM »
camera calibration parameters...refined

piste

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Re: Photoscan vs Laserscanner
« Reply #20 on: October 09, 2012, 04:17:50 PM »
Model in perspective view.
You can see two marker used to set reference distance.
This distance was measured from an available ortofoto in a GIS software..

piste

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Re: Photoscan vs Laserscanner
« Reply #21 on: October 09, 2012, 04:19:25 PM »
A screenshot of error panel...
What's the meaning of those values?

piste

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Re: Photoscan vs Laserscanner
« Reply #22 on: October 09, 2012, 04:31:13 PM »
Alexey if you send me your email I'll send to you original images used in project.
In so doing I hope to obtained better results  :P
Many Thanks
Best regards