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2015-05-23 13:53:18 -0500 | asked a question | Opencv4tegra installed, but ros can't compile and GPU functions I've installed CUDA toolkit and libopencv4tegra, but when compiling a simple test program which just changes a frame to black and white using gpu I get: undefined reference to cv::gpu::Stream::Null() and undefined reference to cv::gpu::cvtcolor(cv::gpu::gpumat......); The weird thing is the cv::gpu::gpumat.upload(cv::Mat) function and download functions are compiling but not any others. I really will need gpu acceleration for my project. How can I have ros compile these functions? I assume it is some modifications in cmakelists.txt. Also I have not installed cv_bridge yet just ros bare bones, so the only opencv installation should be libopencv4tegra |
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2015-05-13 12:35:20 -0500 | commented answer | a cheap Laser / IR solution for 2D mapping? I have tried the rplidar with hector slam it works great! |
2015-05-12 23:58:00 -0500 | asked a question | Speed up hector_exploration_planner? I am running exploration on a Raspberry Pi 2 along with a few other programs. However, no matter what I try the doExploration function takes 20 seconds to complete. Is this really the case or is there a setting that I am missing somewhere. Also I am getting this error constantly: Costmap2DROS transform timeout. Current time: 1431482795.3188, global_pose stamp: 1431482795.0172, tolerance: 0.3000 Could not get robot pose, cancelling reconfiguration Please is there a way to speed up exploration and is this error slowing it. Also thanks so much to team hector and Stefan. |