StereoVslamNode(const std::string& vocab_tree_file, const std::string& vocab_weights_file, const std::string& calonder_trees_file) : it_(nh_), sync_(3), vslam_system_(vocab_tree_file, vocab_weights_file), detector_(new vslam_system::AnyDetector) { // Use calonder descriptor typedef cv::CalonderDescriptorExtractor<float> Calonder; vslam_system_.frame_processor_.setFrameDescriptor(new Calonder(calonder_trees_file)); // Advertise outputs cam_marker_pub_ = nh_.advertise<visualization_msgs::Marker>("/vslam/cameras", 1); point_marker_pub_ = nh_.advertise<visualization_msgs::Marker>("/vslam/points", 1); vo_tracks_pub_ = it_.advertiseCamera("/vslam/vo_tracks/image", 1); odom_pub_ = nh_.advertise<nav_msgs::Odometry>("/vo", 1); pointcloud_pub_ = nh_.advertise<sensor_msgs::PointCloud2>("/vslam/pointcloud", 1); // Synchronize inputs l_image_sub_.subscribe(it_, "left/image_rect", 1); l_info_sub_ .subscribe(nh_, "left/camera_info", 1); r_image_sub_.subscribe(it_, "right/image_rect", 1); r_info_sub_ .subscribe(nh_, "right/camera_info", 1); sync_.connectInput(l_image_sub_, l_info_sub_, r_image_sub_, r_info_sub_); sync_.registerCallback( boost::bind(&StereoVslamNode::imageCb, this, _1, _2, _3, _4) ); // Dynamic reconfigure for parameters ReconfigureServer::CallbackType f = boost::bind(&StereoVslamNode::configCb, this, _1, _2); reconfigure_server_.setCallback(f); }
/** * Constructor, subscribes to input topics using image transport and registers * callbacks. * \param transport The image transport to use */ StereoProcessor(const std::string& transport) : left_received_(0), right_received_(0), left_info_received_(0), right_info_received_(0), all_received_(0) { // Read local parameters ros::NodeHandle local_nh("~"); // Resolve topic names ros::NodeHandle nh; std::string stereo_ns = nh.resolveName("stereo"); std::string left_topic = ros::names::clean(stereo_ns + "/left/" + nh.resolveName("image")); std::string right_topic = ros::names::clean(stereo_ns + "/right/" + nh.resolveName("image")); std::string left_info_topic = stereo_ns + "/left/camera_info"; std::string right_info_topic = stereo_ns + "/right/camera_info"; // Subscribe to four input topics. ROS_INFO("Subscribing to:\n\t* %s\n\t* %s\n\t* %s\n\t* %s", left_topic.c_str(), right_topic.c_str(), left_info_topic.c_str(), right_info_topic.c_str()); image_transport::ImageTransport it(nh); left_sub_.subscribe(it, left_topic, 1, transport); right_sub_.subscribe(it, right_topic, 1, transport); left_info_sub_.subscribe(nh, left_info_topic, 1); right_info_sub_.subscribe(nh, right_info_topic, 1); // Complain every 15s if the topics appear unsynchronized left_sub_.registerCallback(boost::bind(StereoProcessor::increment, &left_received_)); right_sub_.registerCallback(boost::bind(StereoProcessor::increment, &right_received_)); left_info_sub_.registerCallback(boost::bind(StereoProcessor::increment, &left_info_received_)); right_info_sub_.registerCallback(boost::bind(StereoProcessor::increment, &right_info_received_)); check_synced_timer_ = nh.createWallTimer(ros::WallDuration(15.0), boost::bind(&StereoProcessor::checkInputsSynchronized, this)); // Synchronize input topics. Optionally do approximate synchronization. local_nh.param("queue_size", queue_size_, 5); bool approx; local_nh.param("approximate_sync", approx, false); if (approx) { approximate_sync_.reset(new ApproximateSync(ApproximatePolicy(queue_size_), left_sub_, right_sub_, left_info_sub_, right_info_sub_) ); approximate_sync_->registerCallback(boost::bind(&StereoProcessor::dataCb, this, _1, _2, _3, _4)); } else { exact_sync_.reset(new ExactSync(ExactPolicy(queue_size_), left_sub_, right_sub_, left_info_sub_, right_info_sub_) ); exact_sync_->registerCallback(boost::bind(&StereoProcessor::dataCb, this, _1, _2, _3, _4)); } }
/** * Constructor, subscribes to input topics using image transport and registers * callbacks. * \param transport The image transport to use */ MonoDepthProcessor(const std::string& transport) : image_received_(0), depth_received_(0), image_info_received_(0), depth_info_received_(0), all_received_(0) { // Read local parameters ros::NodeHandle local_nh("~"); // Resolve topic names ros::NodeHandle nh; std::string camera_ns = nh.resolveName("camera"); std::string image_topic = ros::names::clean(camera_ns + "/rgb/image_rect"); std::string depth_topic = ros::names::clean(camera_ns + "/depth_registered/image_rect"); std::string image_info_topic = camera_ns + "/rgb/camera_info"; std::string depth_info_topic = camera_ns + "/depth_registered/camera_info"; // Subscribe to four input topics. ROS_INFO("Subscribing to:\n\t* %s\n\t* %s\n\t* %s\n\t* %s", image_topic.c_str(), depth_topic.c_str(), image_info_topic.c_str(), depth_info_topic.c_str()); image_transport::ImageTransport it(nh); image_sub_.subscribe(it, image_topic, 1, transport); depth_sub_.subscribe(it, depth_topic, 1, transport); image_info_sub_.subscribe(nh, image_info_topic, 1); depth_info_sub_.subscribe(nh, depth_info_topic, 1); // Complain every 15s if the topics appear unsynchronized image_sub_.registerCallback(boost::bind(MonoDepthProcessor::increment, &image_received_)); depth_sub_.registerCallback(boost::bind(MonoDepthProcessor::increment, &depth_received_)); image_info_sub_.registerCallback(boost::bind(MonoDepthProcessor::increment, &image_info_received_)); depth_info_sub_.registerCallback(boost::bind(MonoDepthProcessor::increment, &depth_info_received_)); check_synced_timer_ = nh.createWallTimer(ros::WallDuration(15.0), boost::bind(&MonoDepthProcessor::checkInputsSynchronized, this)); // Synchronize input topics. Optionally do approximate synchronization. local_nh.param("queue_size", queue_size_, 5); bool approx; local_nh.param("approximate_sync", approx, true); if (approx) { approximate_sync_.reset(new ApproximateSync(ApproximatePolicy(queue_size_), image_sub_, depth_sub_, image_info_sub_, depth_info_sub_) ); approximate_sync_->registerCallback(boost::bind(&MonoDepthProcessor::dataCb, this, _1, _2, _3, _4)); } else { exact_sync_.reset(new ExactSync(ExactPolicy(queue_size_), image_sub_, depth_sub_, image_info_sub_, depth_info_sub_) ); exact_sync_->registerCallback(boost::bind(&MonoDepthProcessor::dataCb, this, _1, _2, _3, _4)); } }
// Constructor PcPublisher() : image_transport_(n_), tof_sync_(SyncPolicy(3)), c_xyz_image_32F3_(0), c_grey_image_32F1_(0) { topicPub_pointCloud_ = n_.advertise<sensor_msgs::PointCloud>("point_cloud", 1); xyz_image_subscriber_.subscribe(image_transport_, "image_xyz", 1); grey_image_subscriber_.subscribe(image_transport_,"image_grey", 1); tof_sync_.connectInput(xyz_image_subscriber_, grey_image_subscriber_); tof_sync_.registerCallback(boost::bind(&PcPublisher::syncCallback, this, _1, _2)); // topicSub_xyzImage_ = n_.subscribe("xyz_image", 1, &PcPublisher::topicCallback_xyzImage, this); }
///////////////////////////////////////////////////////////////// // Constructor PedestrianDetectorHOG(ros::NodeHandle nh): nh_(nh), local_nh_("~"), it_(nh_), stereo_sync_(4), // cam_model_(NULL), counter(0) { hog_.setSVMDetector(cv::HOGDescriptor::getDefaultPeopleDetector()); // Get parameters from the server local_nh_.param("hit_threshold",hit_threshold_,0.0); local_nh_.param("group_threshold",group_threshold_,2); local_nh_.param("use_depth", use_depth_, true); local_nh_.param("use_height",use_height_,true); local_nh_.param("max_height_m",max_height_m_,2.2); local_nh_.param("ground_frame",ground_frame_,std::string("base_link")); local_nh_.param("do_display", do_display_, true); // Advertise a 3d position measurement for each head. people_pub_ = nh_.advertise<people_msgs::PositionMeasurement>("people_tracker_measurements",1); // Subscribe to tf & the images if (use_depth_) { tf_.setExtrapolationLimit(ros::Duration().fromSec(0.01)); std::string left_topic = nh_.resolveName("stereo") + "/left/image"; std::string disp_topic = nh_.resolveName("stereo") + "/disparity"; std::string left_info_topic = nh_.resolveName("stereo") + "/left/camera_info"; std::string right_info_topic = nh_.resolveName("stereo") + "/right/camera_info"; left_sub_.subscribe(it_, left_topic, 10); disp_sub_.subscribe(it_, disp_topic, 10); left_info_sub_.subscribe(nh_, left_info_topic, 10); right_info_sub_.subscribe(nh_, right_info_topic, 10); stereo_sync_.connectInput(left_sub_, left_info_sub_, disp_sub_, right_info_sub_); stereo_sync_.registerCallback(boost::bind(&PedestrianDetectorHOG::imageCBAll, this, _1, _2, _3, _4)); } else { std::string topic = nh_.resolveName("image"); image_sub_ = it_.subscribe("image",10,&PedestrianDetectorHOG::imageCB,this); } }
void connectCb() { num_subs++; if(num_subs > 0) { color_image_sub_.subscribe(image_transport_,"image_color", 1); pc_sub_.subscribe(n_, "point_cloud2", 1); } }
void connectCb() { num_subs++; if(num_subs > 0) { color_image_sub_.subscribe(image_transport_,"/camera/rgb/image_raw", 1); pc_sub_.subscribe(n_, "/camera/depth/points", 1); } }
// Connection callback that unsubscribes from the tracker if no one is subscribed. void connectCallback(message_filters::Subscriber<CameraInfo> &sub_cam, message_filters::Subscriber<GroundPlane> &sub_gp, image_transport::SubscriberFilter &sub_col, image_transport::SubscriberFilter &sub_dep, image_transport::ImageTransport &it) { if(!pub_message.getNumSubscribers() && !pub_result_image.getNumSubscribers() && !pub_centres.getNumSubscribers() && !pub_detected_persons.getNumSubscribers()) { ROS_DEBUG("Upper Body Detector: No subscribers. Unsubscribing."); sub_cam.unsubscribe(); sub_gp.unsubscribe(); sub_col.unsubscribe(); sub_dep.unsubscribe(); } else { ROS_DEBUG("Upper Body Detector: New subscribers. Subscribing."); sub_cam.subscribe(); sub_gp.subscribe(); sub_col.subscribe(it,sub_col.getTopic().c_str(),1); sub_dep.subscribe(it,sub_dep.getTopic().c_str(),1); } }
void initNode() { pc_sync_ = boost::shared_ptr<message_filters::Synchronizer<SyncPolicy> >(new message_filters::Synchronizer<SyncPolicy>(SyncPolicy(3))); pc_pub_ = n_.advertise<sensor_msgs::PointCloud2>("colored_point_cloud2", 1); color_image_sub_.subscribe(image_transport_,"image_color", 1); pc_sub_.subscribe(n_, "point_cloud2", 1); pc_sync_->connectInput(color_image_sub_, pc_sub_); pc_sync_->registerCallback(boost::bind(&CreateColoredPointCloud::syncCallback, this, _1, _2)); }
unsigned long init() { color_camera_image_sub_.subscribe(*it_, "colorimage", 1); point_cloud_sub_.subscribe(node_handle_, "pointcloud", 1); sync_pointcloud_->connectInput(point_cloud_sub_, color_camera_image_sub_); sync_pointcloud_callback_connection_ = sync_pointcloud_->registerCallback(boost::bind(&CobKinectImageFlipNodelet::inputCallback, this, _1, _2)); return ipa_Utils::RET_OK; }
StereoSynchronizer () : nh_(), it_(nh_), sync_(15) { std::string left_raw = nh_.resolveName("left_raw"); std::string right_raw = nh_.resolveName("right_raw"); image_sub_l_.subscribe(it_, left_raw + "/image_raw", 4); info_sub_l_ .subscribe(nh_, left_raw + "/camera_info", 4); image_sub_r_.subscribe(it_, right_raw + "/image_raw", 4); info_sub_r_ .subscribe(nh_, right_raw + "/camera_info", 4); left_ns_ = nh_.resolveName("left"); right_ns_ = nh_.resolveName("right"); ros::NodeHandle cam_l_nh(left_ns_); ros::NodeHandle cam_r_nh(right_ns_); it_l_ = new image_transport::ImageTransport(cam_l_nh); it_r_ = new image_transport::ImageTransport(cam_r_nh); pub_left_ = it_l_->advertiseCamera("image_raw", 1); pub_right_ = it_r_->advertiseCamera("image_raw", 1); sync_.connectInput(image_sub_l_, info_sub_l_, image_sub_r_, info_sub_r_); sync_.registerCallback(boost::bind(&StereoSynchronizer::imageCB, this, _1, _2, _3, _4)); }
// Handles (un)subscribing when clients (un)subscribe void DisparityWideNodelet::connectCb() { boost::lock_guard<boost::mutex> lock(connect_mutex_); if (pub_disparity_.getNumSubscribers() == 0) { sub_l_image_.unsubscribe(); sub_l_info_ .unsubscribe(); sub_r_image_.unsubscribe(); sub_r_info_ .unsubscribe(); } else if (!sub_l_image_.getSubscriber()) { ros::NodeHandle &nh = getNodeHandle(); // Queue size 1 should be OK; the one that matters is the synchronizer queue size. /// @todo Allow remapping left, right? image_transport::TransportHints hints("raw", ros::TransportHints(), getPrivateNodeHandle()); sub_l_image_.subscribe(*it_, "left_wide/image_rect", 1, hints); sub_l_info_ .subscribe(nh, "left_wide/camera_info", 1); sub_r_image_.subscribe(*it_, "right/image_rect", 1, hints); sub_r_info_ .subscribe(nh, "right/camera_info", 1); } }
/// Subscribe to camera topics if not already done. void connectCallback() { if (sub_counter_ == 0) { sub_counter_++; ROS_DEBUG("[all_camera_viewer] Subscribing to camera topics"); if (use_right_color_camera_) { right_color_camera_image_sub_.subscribe(image_transport_, "right/image_color", 1); right_camera_info_sub_.subscribe(node_handle_, "right/camera_info", 1); } if (use_left_color_camera_) { left_color_camera_image_sub_.subscribe(image_transport_, "left/image_color", 1); left_camera_info_sub_.subscribe(node_handle_, "left/camera_info", 1); } if (use_tof_camera_) { tof_camera_grey_image_sub_.subscribe(image_transport_, "image_grey", 1); } } }
/// Subscribe to camera topics if not already done. void connectCallback() { ROS_INFO("[fiducials] Subscribing to camera topics"); color_camera_image_sub_.subscribe(*image_transport_0_, "image_color", 1); color_camera_info_sub_.subscribe(node_handle_, "camera_info", 1); color_image_sub_sync_ = boost::shared_ptr<message_filters::Synchronizer<ColorImageSyncPolicy> >(new message_filters::Synchronizer<ColorImageSyncPolicy>(ColorImageSyncPolicy(3))); color_image_sub_sync_->connectInput(color_camera_image_sub_, color_camera_info_sub_); color_image_sub_sync_->registerCallback(boost::bind(&CobFiducialsNode::colorImageCallback, this, _1, _2)); sub_counter_++; ROS_INFO("[fiducials] %i subscribers on camera topics [OK]", sub_counter_); }
// Connection callback that unsubscribes from the tracker if no one is subscribed. void connectCallback(ros::Subscriber &sub_msg, ros::NodeHandle &n, string gp_topic, string img_topic, Subscriber<GroundPlane> &sub_gp, Subscriber<CameraInfo> &sub_cam, image_transport::SubscriberFilter &sub_col, image_transport::ImageTransport &it){ if(!pub_message.getNumSubscribers() && !pub_result_image.getNumSubscribers() && !pub_detected_persons.getNumSubscribers()) { ROS_DEBUG("HOG: No subscribers. Unsubscribing."); sub_msg.shutdown(); sub_gp.unsubscribe(); sub_cam.unsubscribe(); sub_col.unsubscribe(); } else { ROS_DEBUG("HOG: New subscribers. Subscribing."); if(strcmp(gp_topic.c_str(), "") == 0) { sub_msg = n.subscribe(img_topic.c_str(), 1, &imageCallback); } sub_cam.subscribe(); sub_gp.subscribe(); sub_col.subscribe(it,sub_col.getTopic().c_str(),1); } }