kalman_tracking_live.py 文件源码

def on_mouse(event, x, y, flags, params):

    global boxes;
    global selection_in_progress;

    current_mouse_position[0] = x;
    current_mouse_position[1] = y;

    if event == cv2.EVENT_LBUTTONDOWN:
        boxes = [];
        # print 'Start Mouse Position: '+str(x)+', '+str(y)
        sbox = [x, y];
        selection_in_progress = True;
        boxes.append(sbox);

    elif event == cv2.EVENT_LBUTTONUP:
        # print 'End Mouse Position: '+str(x)+', '+str(y)
        ebox = [x, y];
        selection_in_progress = False;
        boxes.append(ebox);
#####################################################################

# return centre of a set of points representing a rectangle