detect a red object in my world
Hi guys, i'm trying to make my robot rotating until he "see" a red object and then drive to this object. i tried to do it with point cloud library ,i understand i need to subscribe to a certain topic but i don't know which one? also after subscribing i don't know how to isolate the color of the frame from the message just received, can someone please help me? i'm using ros indigo with armadillo model. Thx.