void callback(const sensor_msgs::ImageConstPtr &img,
const sensor_msgs::CameraInfoConstPtr &info) {
boost::mutex::scoped_lock lock(mutex_);
ros::Time now = ros::Time::now();
static boost::circular_buffer<double> in_times(100);
static boost::circular_buffer<double> out_times(100);
static boost::circular_buffer<double> in_bytes(100);
static boost::circular_buffer<double> out_bytes(100);
ROS_DEBUG("resize: callback");
if ( !publish_once_ || cp_.getNumSubscribers () == 0 ) {
ROS_DEBUG("resize: number of subscribers is 0, ignoring image");
return;
}
in_times.push_front((now - last_subscribe_time_).toSec());
in_bytes.push_front(img->data.size());
//
try {
int width = dst_width_ ? dst_width_ : (resize_x_ * info->width);
int height = dst_height_ ? dst_height_ : (resize_y_ * info->height);
double scale_x = dst_width_ ? ((double)dst_width_)/info->width : resize_x_;
double scale_y = dst_height_ ? ((double)dst_height_)/info->height : resize_y_;
cv_bridge::CvImagePtr cv_img = cv_bridge::toCvCopy(img);
cv::Mat tmpmat(height, width, cv_img->image.type());
cv::resize(cv_img->image, tmpmat, cv::Size(width, height));
cv_img->image = tmpmat;
sensor_msgs::CameraInfo tinfo = *info;
tinfo.height = height;
tinfo.width = width;
tinfo.K[0] = tinfo.K[0] * scale_x; // fx
tinfo.K[2] = tinfo.K[2] * scale_x; // cx
tinfo.K[4] = tinfo.K[4] * scale_y; // fy
tinfo.K[5] = tinfo.K[5] * scale_y; // cy
tinfo.P[0] = tinfo.P[0] * scale_x; // fx
tinfo.P[2] = tinfo.P[2] * scale_x; // cx
tinfo.P[3] = tinfo.P[3] * scale_x; // T
tinfo.P[5] = tinfo.P[5] * scale_y; // fy
tinfo.P[6] = tinfo.P[6] * scale_y; // cy
if ( !use_messages_ || now - last_publish_time_ > period_ ) {
cp_.publish(cv_img->toImageMsg(),
boost::make_shared<sensor_msgs::CameraInfo> (tinfo));
out_times.push_front((now - last_publish_time_).toSec());
out_bytes.push_front(cv_img->image.total()*cv_img->image.elemSize());
last_publish_time_ = now;
}
} catch( cv::Exception& e ) {
ROS_ERROR("%s", e.what());
}
float duration = (now - last_rosinfo_time_).toSec();
if ( duration > 2 ) {
int in_time_n = in_times.size();
int out_time_n = out_times.size();
double in_time_mean = 0, in_time_rate = 1.0, in_time_std_dev = 0.0, in_time_max_delta, in_time_min_delta;
double out_time_mean = 0, out_time_rate = 1.0, out_time_std_dev = 0.0, out_time_max_delta, out_time_min_delta;
std::for_each( in_times.begin(), in_times.end(), (in_time_mean += boost::lambda::_1) );
in_time_mean /= in_time_n;
in_time_rate /= in_time_mean;
std::for_each( in_times.begin(), in_times.end(), (in_time_std_dev += (boost::lambda::_1 - in_time_mean)*(boost::lambda::_1 - in_time_mean) ) );
in_time_std_dev = sqrt(in_time_std_dev/in_time_n);
if ( in_time_n > 1 ) {
in_time_min_delta = *std::min_element(in_times.begin(), in_times.end());
in_time_max_delta = *std::max_element(in_times.begin(), in_times.end());
}
std::for_each( out_times.begin(), out_times.end(), (out_time_mean += boost::lambda::_1) );
out_time_mean /= out_time_n;
out_time_rate /= out_time_mean;
std::for_each( out_times.begin(), out_times.end(), (out_time_std_dev += (boost::lambda::_1 - out_time_mean)*(boost::lambda::_1 - out_time_mean) ) );
out_time_std_dev = sqrt(out_time_std_dev/out_time_n);
if ( out_time_n > 1 ) {
out_time_min_delta = *std::min_element(out_times.begin(), out_times.end());
out_time_max_delta = *std::max_element(out_times.begin(), out_times.end());
}
double in_byte_mean = 0, out_byte_mean = 0;
std::for_each( in_bytes.begin(), in_bytes.end(), (in_byte_mean += boost::lambda::_1) );
std::for_each( out_bytes.begin(), out_bytes.end(), (out_byte_mean += boost::lambda::_1) );
in_byte_mean /= duration;
out_byte_mean /= duration;
ROS_INFO_STREAM(" in bandwidth: " << std::fixed << std::setw(11) << std::setprecision(3) << in_byte_mean/1000*8
<< " Kbps rate:" << std::fixed << std::setw(7) << std::setprecision(3) << in_time_rate
<< " hz min:" << std::fixed << std::setw(7) << std::setprecision(3) << in_time_min_delta
<< " s max: " << std::fixed << std::setw(7) << std::setprecision(3) << in_time_max_delta
<< " s std_dev: "<< std::fixed << std::setw(7) << std::setprecision(3) << in_time_std_dev << "s n: " << in_time_n);
ROS_INFO_STREAM(" out bandwidth: " << std::fixed << std::setw(11) << std::setprecision(3) << out_byte_mean/1000*8
<< " kbps rate:" << std::fixed << std::setw(7) << std::setprecision(3) << out_time_rate
<< " hz min:" << std::fixed << std::setw(7) << std::setprecision(3) << out_time_min_delta
<< " s max: " << std::fixed << std::setw(7) << std::setprecision(3) << out_time_max_delta
<< " s std_dev: "<< std::fixed << std::setw(7) << std::setprecision(3) << out_time_std_dev << "s n: " << out_time_n);
in_times.clear();
in_bytes.clear();
out_times.clear();
out_bytes.clear();
last_rosinfo_time_ = now;
}
last_subscribe_time_ = now;
if(use_snapshot_) {
publish_once_ = false;
}
}
int getNumRGBSubscribers()
{
return realsense_reg_points_pub.getNumSubscribers() + realsense_rgb_image_pub.getNumSubscribers();
}
void imageCb(const sensor_msgs::ImageConstPtr& l_image,
const sensor_msgs::CameraInfoConstPtr& l_cam_info,
const sensor_msgs::ImageConstPtr& r_image,
const sensor_msgs::CameraInfoConstPtr& r_cam_info)
{
ROS_INFO("In callback, seq = %u", l_cam_info->header.seq);
// Convert ROS messages for use with OpenCV
cv::Mat left, right;
try {
left = l_bridge_.imgMsgToCv(l_image, "mono8");
right = r_bridge_.imgMsgToCv(r_image, "mono8");
}
catch (sensor_msgs::CvBridgeException& e) {
ROS_ERROR("Conversion error: %s", e.what());
return;
}
cam_model_.fromCameraInfo(l_cam_info, r_cam_info);
frame_common::CamParams cam_params;
cam_params.fx = cam_model_.left().fx();
cam_params.fy = cam_model_.left().fy();
cam_params.cx = cam_model_.left().cx();
cam_params.cy = cam_model_.left().cy();
cam_params.tx = cam_model_.baseline();
if (vslam_system_.addFrame(cam_params, left, right)) {
/// @todo Not rely on broken encapsulation of VslamSystem here
int size = vslam_system_.sba_.nodes.size();
if (size % 2 == 0) {
// publish markers
sba::drawGraph(vslam_system_.sba_, cam_marker_pub_, point_marker_pub_);
}
// Publish VO tracks
if (vo_tracks_pub_.getNumSubscribers() > 0) {
frame_common::drawVOtracks(left, vslam_system_.vo_.frames, vo_display_);
IplImage ipl = vo_display_;
sensor_msgs::ImagePtr msg = sensor_msgs::CvBridge::cvToImgMsg(&ipl);
msg->header = l_cam_info->header;
vo_tracks_pub_.publish(msg, l_cam_info);
}
// Refine large-scale SBA.
const int LARGE_SBA_INTERVAL = 10;
if (size > 4 && size % LARGE_SBA_INTERVAL == 0) {
ROS_INFO("Running large SBA on %d nodes", size);
vslam_system_.refine();
}
if (pointcloud_pub_.getNumSubscribers() > 0 && size % 2 == 0)
publishRegisteredPointclouds(vslam_system_.sba_, vslam_system_.frames_, pointcloud_pub_);
// Publish odometry data to tf.
if (0) // TODO: Change this to parameter.
{
ros::Time stamp = l_cam_info->header.stamp;
std::string image_frame = l_cam_info->header.frame_id;
Eigen::Vector4d trans = -vslam_system_.sba_.nodes.back().trans;
Eigen::Quaterniond rot = vslam_system_.sba_.nodes.back().qrot.conjugate();
trans.head<3>() = rot.toRotationMatrix()*trans.head<3>();
tf_transform_.setOrigin(tf::Vector3(trans(0), trans(1), trans(2)));
tf_transform_.setRotation(tf::Quaternion(rot.x(), rot.y(), rot.z(), rot.w()) );
tf::Transform simple_transform;
simple_transform.setOrigin(tf::Vector3(0, 0, 0));
simple_transform.setRotation(tf::Quaternion(.5, -.5, .5, .5));
tf_broadcast_.sendTransform(tf::StampedTransform(tf_transform_, stamp, image_frame, "visual_odom"));
tf_broadcast_.sendTransform(tf::StampedTransform(simple_transform, stamp, "visual_odom", "pgraph"));
// Publish odometry data on topic.
if (odom_pub_.getNumSubscribers() > 0)
{
tf::StampedTransform base_to_image;
tf::Transform base_to_visodom;
try
{
tf_listener_.lookupTransform(image_frame, "/base_footprint",
stamp, base_to_image);
}
catch (tf::TransformException ex)
{
ROS_WARN("%s",ex.what());
return;
}
base_to_visodom = tf_transform_.inverse() * base_to_image;
geometry_msgs::PoseStamped pose;
nav_msgs::Odometry odom;
pose.header.frame_id = "/visual_odom";
pose.pose.position.x = base_to_visodom.getOrigin().x();
pose.pose.position.y = base_to_visodom.getOrigin().y();
pose.pose.position.z = base_to_visodom.getOrigin().z();
pose.pose.orientation.x = base_to_visodom.getRotation().x();
pose.pose.orientation.y = base_to_visodom.getRotation().y();
pose.pose.orientation.z = base_to_visodom.getRotation().z();
pose.pose.orientation.w = base_to_visodom.getRotation().w();
odom.header.stamp = stamp;
odom.header.frame_id = "/visual_odom";
odom.child_frame_id = "/base_footprint";
odom.pose.pose = pose.pose;
/* odom.pose.covariance[0] = 1;
odom.pose.covariance[7] = 1;
odom.pose.covariance[14] = 1;
odom.pose.covariance[21] = 1;
odom.pose.covariance[28] = 1;
odom.pose.covariance[35] = 1; */
odom_pub_.publish(odom);
}
}
}
}
