Install libopencv-apps-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libopencv-apps-dev
Opencv_apps Robot OS package - development files
This package is part of Robot OS (ROS). It contains several ROS packages for working providing OpenCV functionalities in a simplest manner in ROS, i.e., running a launch file that corresponds to the functionality. . The package contains implementations for edge detection, structual analysis, people/face detection, motion analysis and object segmentation. . It contains development files for the opencv_apps library.