Replace contents of main.cpp with sample_kalman_tracking.cpp
Drone loiters, keeping the camera pointed at the tracked object.
Add forward speed control (keys 0-9).
Show heading as text, reverse heading sign for convention.
Display the speed setting.
learnMode: display crosshairs.
Sample a pixel.
Samples BGR of pixel.
Failed: Trying to get hsv of sample
Sampling center pixel as HSV looks like it may be working.
Learn mode basically works (not for border cases though).
Manual controls to override auto.
Reduce rotation gain.
Add example videos.