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Recently, a classmate came to me because his graduation project was about to be concluded. His project was to make a car that could recognize the QR code and realize ranging. At the same time, he also hoped that the car would keep a constant distance from the QR code. That is, when the QR code approaches the car, the car will retreat, and when ...

After learning the third chapter of Robotics, Vision and Control, I found that the book has supporting videos. It's hard to read the second chapter. I have a hard understanding of many places. Now I'm going to have a good look at the videos and take notes as a supplement. References for this series: <Robotics, Vision and Control> Open ...

OccupancyGrid ROS navigates through the OccupancyGrid, which consists of a yaml format metadata file, and picture format map data file. Map metadata Map metadata XXX The format of yaml is as follows: image: testmap.pgm resolution: 0.1 origin: [0.0, 0.0, 0.0] occupied_thresh: 0.65 free_thresh: 0.196 negate: 0 Notes are as follows: Image ...

We are all familiar with cameras, which can map point sets in 3D space to 2D planes. This mapping process needs to be described by geometric model. The simplest and most basic model is the pinhole camera model, which describes the basic projection and imaging inertia of the camera. However, our commonly used cameras have lenses. Because o ...