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Hello Charias,

you are correct in your assumption: you have the wrong openCV installed.

The stack.xml file of visual_feature_detectors refers to the stack named vision_opencv. This stack contains the package opencv2.1 (as a lib) and some other packages built around it (like image_geometry, cv_bridge and opencv_tests).

Running the following command should install the correct version on your system:

sudo apt-get install ros-cturtle-vision-opencv

Hope this helps

Raph

Hello Charias,

you are correct in your assumption: you have the wrong openCV installed.

The stack.xml stack.xml file of visual_feature_detectors refers to the stack named vision_opencv. vision_opencv.

<depend stack="vision_opencv" /> <!-- opencv2, image_geometry, cv_bridge -->

This stack contains the package opencv2.1 (as a lib) and some other packages built around it (like image_geometry, cv_bridge and opencv_tests).

Running the following command should install the correct version on your system:

sudo apt-get install ros-cturtle-vision-opencv

Hope this helps

Raph