
Public Member Functions | |
| virtual void | onInit () |
| Initialize nodehandles nh_ and pnh_. Subclass should call this method in its onInit method. | |
Private Types | |
| typedef contour_moments::ContourMomentsConfig | Config |
| typedef dynamic_reconfigure::Server < Config > | ReconfigureServer |
Private Member Functions | |
| void | do_work (const sensor_msgs::ImageConstPtr &msg, const std::string input_frame_from_msg) |
| const std::string & | frameWithDefault (const std::string &frame, const std::string &image_frame) |
| void | imageCallback (const sensor_msgs::ImageConstPtr &msg) |
| void | imageCallbackWithInfo (const sensor_msgs::ImageConstPtr &msg, const sensor_msgs::CameraInfoConstPtr &cam_info) |
| void | reconfigureCallback (Config &new_config, uint32_t level) |
| void | subscribe () |
| This method is called when publisher is subscribed by other nodes. Set up subscribers in this method. | |
| void | unsubscribe () |
| This method is called when publisher is unsubscribed by other nodes. Shut down subscribers in this method. | |
Static Private Member Functions | |
| static void | trackbarCallback (int, void *) |
Private Attributes | |
| image_transport::CameraSubscriber | cam_sub_ |
| Config | config_ |
| bool | debug_view_ |
| image_transport::Publisher | img_pub_ |
| image_transport::Subscriber | img_sub_ |
| boost::shared_ptr < image_transport::ImageTransport > | it_ |
| int | low_threshold_ |
| ros::Publisher | msg_pub_ |
| ros::Time | prev_stamp_ |
| boost::shared_ptr < ReconfigureServer > | reconfigure_server_ |
| std::string | window_name_ |
Static Private Attributes | |
| static bool | need_config_update_ = false |
Definition at line 58 of file contour_moments_nodelet.cpp.
typedef contour_moments::ContourMomentsConfig contour_moments::ContourMomentsNodelet::Config [private] |
Definition at line 67 of file contour_moments_nodelet.cpp.
typedef dynamic_reconfigure::Server<Config> contour_moments::ContourMomentsNodelet::ReconfigureServer [private] |
Definition at line 68 of file contour_moments_nodelet.cpp.
| void contour_moments::ContourMomentsNodelet::do_work | ( | const sensor_msgs::ImageConstPtr & | msg, |
| const std::string | input_frame_from_msg | ||
| ) | [inline, private] |
Convert image to gray and blur it
Create window
Detect edges using canny
Find contours
Get the moments
Get the mass centers:
Draw contours
Calculate the area with the moments 00 and compare with the result of the OpenCV function
Definition at line 108 of file contour_moments_nodelet.cpp.
| const std::string& contour_moments::ContourMomentsNodelet::frameWithDefault | ( | const std::string & | frame, |
| const std::string & | image_frame | ||
| ) | [inline, private] |
Definition at line 86 of file contour_moments_nodelet.cpp.
| void contour_moments::ContourMomentsNodelet::imageCallback | ( | const sensor_msgs::ImageConstPtr & | msg | ) | [inline, private] |
Definition at line 98 of file contour_moments_nodelet.cpp.
| void contour_moments::ContourMomentsNodelet::imageCallbackWithInfo | ( | const sensor_msgs::ImageConstPtr & | msg, |
| const sensor_msgs::CameraInfoConstPtr & | cam_info | ||
| ) | [inline, private] |
Definition at line 93 of file contour_moments_nodelet.cpp.
| virtual void contour_moments::ContourMomentsNodelet::onInit | ( | ) | [inline, virtual] |
Initialize nodehandles nh_ and pnh_. Subclass should call this method in its onInit method.
Reimplemented from opencv_apps::Nodelet.
Definition at line 242 of file contour_moments_nodelet.cpp.
| void contour_moments::ContourMomentsNodelet::reconfigureCallback | ( | Config & | new_config, |
| uint32_t | level | ||
| ) | [inline, private] |
Definition at line 80 of file contour_moments_nodelet.cpp.
| void contour_moments::ContourMomentsNodelet::subscribe | ( | ) | [inline, private, virtual] |
This method is called when publisher is subscribed by other nodes. Set up subscribers in this method.
Implements opencv_apps::Nodelet.
Definition at line 225 of file contour_moments_nodelet.cpp.
| static void contour_moments::ContourMomentsNodelet::trackbarCallback | ( | int | , |
| void * | |||
| ) | [inline, static, private] |
Definition at line 103 of file contour_moments_nodelet.cpp.
| void contour_moments::ContourMomentsNodelet::unsubscribe | ( | ) | [inline, private, virtual] |
This method is called when publisher is unsubscribed by other nodes. Shut down subscribers in this method.
Implements opencv_apps::Nodelet.
Definition at line 234 of file contour_moments_nodelet.cpp.
Definition at line 62 of file contour_moments_nodelet.cpp.
Definition at line 69 of file contour_moments_nodelet.cpp.
bool contour_moments::ContourMomentsNodelet::debug_view_ [private] |
Definition at line 72 of file contour_moments_nodelet.cpp.
Definition at line 60 of file contour_moments_nodelet.cpp.
Definition at line 61 of file contour_moments_nodelet.cpp.
boost::shared_ptr<image_transport::ImageTransport> contour_moments::ContourMomentsNodelet::it_ [private] |
Definition at line 65 of file contour_moments_nodelet.cpp.
int contour_moments::ContourMomentsNodelet::low_threshold_ [private] |
Definition at line 75 of file contour_moments_nodelet.cpp.
Definition at line 63 of file contour_moments_nodelet.cpp.
bool contour_moments::ContourMomentsNodelet::need_config_update_ = false [static, private] |
Definition at line 78 of file contour_moments_nodelet.cpp.
Definition at line 73 of file contour_moments_nodelet.cpp.
boost::shared_ptr<ReconfigureServer> contour_moments::ContourMomentsNodelet::reconfigure_server_ [private] |
Definition at line 70 of file contour_moments_nodelet.cpp.
std::string contour_moments::ContourMomentsNodelet::window_name_ [private] |
Definition at line 77 of file contour_moments_nodelet.cpp.