def METHOD_NAME(self):
    """
    Start the node and begin processing input data.
    """
    rospy.init_node('opendr_object_detection_2d_centernet_node', anonymous=True)
    rospy.Subscriber(self.input_rgb_image_topic, ROS_Image, self.callback, queue_size=1, buff_size=10000000)
    rospy.loginfo("Object detection 2D Centernet node started.")
    rospy.spin()