How to develope a project based on the excellent opencv_apps?

[GaoGeolone]

Must I make a launch file to remap the input and output to make up a project?

[k-okada]

sure , please check our sample programs (
https://github.com/ros-perception/opencv_apps/blob/indigo/test/test-camshift.test ) whcih uses launch file within launch script with remapping .

[GaoGeolone]

sure , please check our sample programs (
https://github.com/ros-perception/opencv_apps/blob/indigo/test/test-camshift.test ) whcih uses launch file within launch script with remapping .

Thank you very much