Questions tagged [point-cloud]

Point cloud is a set of data points in space. It is generated by 3D scanners. Used in construction of virtual scenes of real world spaces.

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Applying initial guessing to LiDAR point cloud for ICP processing in Graph SLAM

I am currently in the process of implementing Graph SLAM using ICP and g2o in python 2.7 The data I have are pose data (4 x 4 transformation matrix) and lidar data ( in the format of [x y z 1] with ...
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Want to check RANSAC for a noiseless set of points; Error: Not enough inliers

I was just checking the functioning of my code implementing RANSAC sac_model: perpendicular by checking for a noiseless pointcloud. I have a few questions in the steps: I did the following: To ...
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Trouble aligning/calibrating camera with laser scanner

I have a robot which has 2 multi-spectral cameras and 1 laser scanner attached. In the end I would like to have the images from the cameras aligned with the scanner so that I can have spectral ...
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Self localization inside machine of interest

I have a type of flight sensor interfaced with Arduino Uno via I2C. The sensor is VL53L0X i am getting the 1D measurement value of distance in mm which i can monitor using serial monitor in Arduino ...
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416 views

How to convert PointCloud2 message to a grid?

I'm using a Velodyne sensor which publishes on /velodyne_points topic, and its class type is PointCloud2. Now I want to convert ...
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LiDAR Point cloud data reliability/quality

I'm trying to develop a quality measurement (kind of a metric) for the reliability/quality of given point cloud data (coming ...