After I run:
roslaunch tiago_opencv_tutorial keypoint_tutorial.launch
The error Tips:
> ... logging to /home/dell/.ros/log/44ec5218-d183-11ea-b335-54353005d2aa/roslaunch-skdr-5443.log
Checking log directory for disk usage. This may take a while.
Press Ctrl-C to interrupt
Done checking log file disk usage. Usage is <1GB.
started roslaunch server http://skdr:44807/
SUMMARY
========
PARAMETERS
* /rosdistro: melodic
* /rosversion: 1.14.6
NODES
/
gui (tiago_opencv_tutorial/gui_find_keypoints.py)
vision_code (tiago_opencv_tutorial/find_keypoints)
ROS_MASTER_URI=http://localhost:11311
process[gui-1]: started with pid [5474]
process[vision_code-2]: started with pid [5475]
**terminate called after throwing an instance of 'std::runtime_error'
what(): Unsupported type of detector SURF
[vision_code-2] process has died [pid 5475, exit code -6, cmd /home/dell/tiago_dual_public_ws/devel/lib/tiago_opencv_tutorial/find_keypoints __name:=vision_code __log:=/home/dell/.ros/log/44ec5218-d183-11ea-b335-54353005d2aa/vision_code-2.log].
log file: /home/dell/.ros/log/44ec5218-d183-11ea-b335-54353005d2aa/vision_code-2*.log**
^C[gui-1] killing on exit
shutting down processing monitor...
... shutting down processing monitor complete
done
Here is my launch File:
>
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