Questions tagged [occupancygrid]

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Set global_frame and robot_base_frame parameters for costmap_2d::Costmap2DROS object

I am trying to use a costmap_2d::Costmap2DROS object to read the occupacy grid being published on the /map topic. How do I ...
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Sensor model and Inverse sensor model using occupancy grid mapping with lidar for particle filter

I'm a bit confused about how one goes about calculating the sensor model $p(z_t|x_t, m) $ and inverse sensor model for position $p(x_t |z_t,m_{t-1})$. From this answer, it seems like one way for ...
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Minimize Waypoints Why Still Maintaining Distance From Objects for Motion Planning?

I'm working on a project where I want to give instruction to blindfolded participants on how to walk around an obstacle course. I'll map out my room and convert it to a grid map. However, given that I ...
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offset in gridmap

colleagues, i am currently viewing Cyrill Stachniss's course on SLAM and also doing the exercises. At the moment i am doing an exercise on occupancy grid mapping and there is some strange offset ...