roscore
rosrun some_camera_driver
rosrun NNTracker interactive_node.py _image:=the_image_topic _roi_topic:=/roi
rxplot /roi/cmx /roi/cmy
from NNTracker import *
# Initialization:
first_frame = grab_frame()
ul, lr = grab_initialization_rectangle()
tracker = NNTracker( ... some parameters ... )
tracker.initialize_with_rectangle(first_frame, ul, lr)
# Tracking:
while True:
frame = grab_frame()
tracker.update(frame)
draw_region(frame, tracker.get_region())
imshow(frame)
The functions grab_frame() ,
grab_initialization_rectangle() and imshow() are
just placeholders to simplify the example.
For a complete example, look at src/NNTracker/Main.py.
Place this directory in your ros_workspace.
You must also have the following dependencies installed:
- Python
- Cython
- Scipy
- OpenCV (with python bindings)
- FLANN (with python bindings)