Combine two rectified point clouds
It is possible to combine point clouds in Python using the RealSense SDK's rs2_transform_point_to_point instruction, which can combine data from different viewpoints using a procedure called an affine transform. There are not many references for using this instruction though. The link below may be helpful.
In regard to other platforms, Intel have a tutorial for combining point clouds from two RealSense cameras using ROS.
Intel also have a guide for stitching two pointclouds using C++ and MATLAB.
Views from multiple RealSense cameras can be combined with the commercial software tool RecFusion Pro.
Two point clouds could be combined in the Open3D platform using a procedure called ICP.
PCL has a method called Normal Distributions Transform.
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