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Transformation Parameters' details in ICP Registration #9590
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Hi @yiyangd I must emphasize that I am not an Open3D specialist. I have researched your question carefully though and will do my best to help you with the information that you require. ICP registration and its use with Python is introduced in a tutorial guide (linked to below) in the Basics section of the Open3D documentation. http://www.open3d.org/docs/0.9.0/tutorial/Basic/icp_registration.html An extract from this guide about initial alignment is shown below. In regard to using Open3D and ICP with a RealSense camera, the discussion below should be a good entry point into the subject. As mentioned at the beginning of this case, my knowledge of Open3D is limited but I will be happy to work through any further questions that you have that arise from the information resources highlighted above. |
Hi MartyG, Thanks, so now my biggest problem is I didn't know the parameters of init_trans arrays, I guess I need to set one since I try to capture my two point clouds in different positions? |
You could try using the trans_init values from the earlier example. The Open3D tutorial in the link below suggests though a method for calculating trans_init values with user-provided correspondences. |
Hi @yiyangd Do you require further assistance with this case, please? Thanks! |
Hi @MartyG-RealSense,I just got some important information from here, and thank you for your information.
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Thanks very much @yiyangd for the update. If you are satisifed with the outcome of this case and do not require further assistance, please feel free to use the Close issue button beneath the comment writing box to close the case. Thanks! |
Issue Description
Hi,
I am trying to simulate the example below with my RealSense D435i Depth Camera, I would like to know how could I understand the parameters for initial transformation's parameters and how to define a set of transformation on my own experiment?
My own experiments (a chair with wall) is a little bit mess:
Thanks!
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