pcl Archives - Page 2 of 2 - Robotics with ROS

How to find CMake from arbitrary installed locations

Leave a Comment / C++, Tutorials / admin

In my other tutorial, I showed you how to install your code in an arbitrary location in Unix/ Linux systems. In this tutorial, I’m gonna show you how to find them after installation. Here I have two examples: OpenCV, PCL point cloud I can assume that you have compiled and installed them using the following command:

cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=ON -DCMAKE_INSTALL_PREFIX:PATH=~/usr .. && make -j8 all install

1	cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=ON -DCMAKE_INSTALL_PREFIX:PATH=~/usr .. && make -j8 all install

1)PCL […]

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PCL pointcloud pairwise registration

1 Comment / Computer Vision, Tutorials / admin

registration is aligning 3D point cloud on each other such that it gives you a complete model. To achieve this, you need to find the relative positions and orientations of each point cloud, such that you maximize the overlapping intersecting areas between them [1]. So I got the idea from here and I implemented a software

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Learning From Demonstration

Leave a Comment / C++, Computer Vision, Machine Learning, Manipulation, ROS, Tutorials / admin

In this work at first, I recognize the object in the scene and estimate the 6 DOF pose of that. Then I track the object by using particle filter. RGB data acquired from Kinect 2 and turned into PCL pointcloud. I demonstrate a task several times to the robot. In this case, I move an object (a detergent) over

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Converting a PCL pointcloud to a ROS pcl message/ ROS pcl message to PCL point cloud

Leave a Comment / C++, Computer Vision, ROS, Tutorials / admin

The relation between ROS and PCL point cloud is a little bit complicated, at first, it was part of ROS, then it became a separate project and whole the time you need some serializer and deserializer to send and receive point cloud ROS messages. There are some old deprecated ways to do that and they

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