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add TrackletConverter + Example Publisher #313

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aeeb493
Add TrackletConverter
ninoweg May 13, 2023
4809bca
Add TrackletConverter
ninoweg May 13, 2023
798d42c
Add msg for Tracklets
ninoweg May 13, 2023
bf548e0
remove toRosVisionMsg
ninoweg May 14, 2023
3341e69
add example tracker publisher
ninoweg May 14, 2023
6e91b44
replace ImgDetections with vision_msgs
ninoweg May 15, 2023
84c176e
update denormalization
ninoweg May 15, 2023
d181250
update denormalization
ninoweg May 15, 2023
bba2b8c
update pipeline
ninoweg May 23, 2023
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1 change: 1 addition & 0 deletions depthai_bridge/CMakeLists.txt
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Expand Up @@ -47,6 +47,7 @@ FILE(GLOB LIB_SRC
"src/ImageConverter.cpp"
"src/ImgDetectionConverter.cpp"
"src/SpatialDetectionConverter.cpp"
"src/TrackletConverter.cpp"
"src/ImuConverter.cpp"
)

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35 changes: 35 additions & 0 deletions depthai_bridge/include/depthai_bridge/TrackletConverter.hpp
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#pragma once

#include <deque>
#include <memory>
#include <string>

#include "depthai/pipeline/datatype/Tracklets.hpp"
#include "depthai_ros_msgs/TrackletArray.h"
#include "ros/ros.h"

namespace dai {

namespace ros {
namespace TrackletMessages = depthai_ros_msgs;
using TrackletArrayPtr = TrackletMessages::TrackletArray::Ptr;
class TrackletConverter {
public:
TrackletConverter(std::string frameName, int width, int height, bool normalized = false, bool getBaseDeviceTimestamp = false);
void toRosMsg(std::shared_ptr<dai::Tracklets> trackData, std::deque<TrackletMessages::TrackletArray>& trackletsMsg);
TrackletArrayPtr toRosMsgPtr(std::shared_ptr<dai::Tracklets> trackData);

private:
int _width, _height;
const std::string _frameName;
bool _normalized;
std::chrono::time_point<std::chrono::steady_clock> _steadyBaseTime;
::ros::Time _rosBaseTime;
bool _getBaseDeviceTimestamp;
};

} // namespace ros

namespace rosBridge = ros;

} // namespace dai
86 changes: 86 additions & 0 deletions depthai_bridge/src/TrackletConverter.cpp
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#include "depthai_bridge/TrackletConverter.hpp"
#include "depthai_bridge/depthaiUtility.hpp"

namespace dai {
namespace ros {

TrackletConverter::TrackletConverter(std::string frameName, int width, int height, bool normalized, bool getBaseDeviceTimestamp)
: _frameName(frameName),
_width(width),
_height(height),
_normalized(normalized),
_steadyBaseTime(std::chrono::steady_clock::now()),
_getBaseDeviceTimestamp(getBaseDeviceTimestamp) {
_rosBaseTime = ::ros::Time::now();
}

void TrackletConverter::toRosMsg(std::shared_ptr<dai::Tracklets> trackData, std::deque<TrackletMessages::TrackletArray>& trackletMsgs) {
// setting the header
std::chrono::_V2::steady_clock::time_point tstamp;
if(_getBaseDeviceTimestamp)
tstamp = trackData->getTimestampDevice();
else
tstamp = trackData->getTimestamp();

TrackletMessages::TrackletArray trackletsMsg;

trackletsMsg.header.stamp = getFrameTime(_rosBaseTime, _steadyBaseTime, tstamp);
trackletsMsg.header.frame_id = _frameName;
trackletsMsg.tracklets.resize(trackData->tracklets.size());

// publishing
for(int i = 0; i < trackData->tracklets.size(); ++i) {
int xMin, yMin, xMax, yMax;
if(_normalized) {
xMin = trackData->tracklets[i].srcImgDetection.xmin;
yMin = trackData->tracklets[i].srcImgDetection.ymin;
xMax = trackData->tracklets[i].srcImgDetection.xmax;
yMax = trackData->tracklets[i].srcImgDetection.ymax;
} else {
xMin = trackData->tracklets[i].srcImgDetection.xmin * _width;
yMin = trackData->tracklets[i].srcImgDetection.ymin * _height;
xMax = trackData->tracklets[i].srcImgDetection.xmax * _width;
yMax = trackData->tracklets[i].srcImgDetection.ymax * _height;
}

float xSize = xMax - xMin;
float ySize = yMax - yMin;
float xCenter = xMin + xSize / 2;
float yCenter = yMin + ySize / 2;

trackletsMsg.tracklets[i].roi.center.x = xCenter;
trackletsMsg.tracklets[i].roi.center.y = yCenter;
trackletsMsg.tracklets[i].roi.size_x = xSize;
trackletsMsg.tracklets[i].roi.size_y = ySize;

trackletsMsg.tracklets[i].id = trackData->tracklets[i].id;
trackletsMsg.tracklets[i].label = trackData->tracklets[i].label;
trackletsMsg.tracklets[i].age = trackData->tracklets[i].age;
trackletsMsg.tracklets[i].status = static_cast<std::underlying_type<dai::Tracklet::TrackingStatus>::type>(trackData->tracklets[i].status);

trackletsMsg.tracklets[i].srcImgDetection.confidence = trackData->tracklets[i].srcImgDetection.confidence;
trackletsMsg.tracklets[i].srcImgDetection.label = trackData->tracklets[i].srcImgDetection.label;
trackletsMsg.tracklets[i].srcImgDetection.xmin = xMin;
trackletsMsg.tracklets[i].srcImgDetection.xmax = xMax;
trackletsMsg.tracklets[i].srcImgDetection.ymin = yMin;
trackletsMsg.tracklets[i].srcImgDetection.ymax = yMax;

// converting mm to meters since per ros rep-103 lenght should always be in meters
trackletsMsg.tracklets[i].spatialCoordinates.x = trackData->tracklets[i].spatialCoordinates.x / 1000;
trackletsMsg.tracklets[i].spatialCoordinates.y = trackData->tracklets[i].spatialCoordinates.y / 1000;
trackletsMsg.tracklets[i].spatialCoordinates.z = trackData->tracklets[i].spatialCoordinates.z / 1000;
}

trackletMsgs.push_back(trackletsMsg);
}

TrackletArrayPtr TrackletConverter::toRosMsgPtr(std::shared_ptr<dai::Tracklets> trackData) {
std::deque<TrackletMessages::TrackletArray> msgQueue;
toRosMsg(trackData, msgQueue);
auto msg = msgQueue.front();
TrackletArrayPtr ptr = boost::make_shared<TrackletMessages::TrackletArray>(msg);
return ptr;
}

} // namespace ros
} // namespace dai
3 changes: 3 additions & 0 deletions depthai_examples/CMakeLists.txt
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Expand Up @@ -111,9 +111,11 @@ dai_add_node(stereo_inertial_node src/stereo_inertial_publisher.cpp)

dai_add_node(stereo_node src/stereo_publisher.cpp)
dai_add_node(yolov4_spatial_node src/yolov4_spatial_publisher.cpp)
dai_add_node(tracker_node src/tracker_publisher.cpp)

target_compile_definitions(mobilenet_node PRIVATE BLOB_NAME="${mobilenet_blob_name}")
target_compile_definitions(yolov4_spatial_node PRIVATE BLOB_NAME="${tiny_yolo_v4_blob_name}")
target_compile_definitions(tracker_node PRIVATE BLOB_NAME="${tiny_yolo_v4_blob_name}")
target_compile_definitions(stereo_inertial_node PRIVATE BLOB_NAME="${tiny_yolo_v4_blob_name}")

catkin_install_python(PROGRAMS
Expand All @@ -131,6 +133,7 @@ install(TARGETS
stereo_inertial_node
stereo_node
yolov4_spatial_node
tracker_node
LIBRARY DESTINATION ${CATKIN_PACKAGE_LIB_DESTINATION}
RUNTIME DESTINATION ${CATKIN_PACKAGE_BIN_DESTINATION}
)
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79 changes: 79 additions & 0 deletions depthai_examples/launch/tracker_publisher.launch
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<?xml version="1.0"?>
<launch>
<!-- <args for urdf/> -->
<arg name="camera_model" default="OAK-D" /> <!-- 'zed' or 'zedm' -->
<arg name="tf_prefix" default="oak" />
<arg name="base_frame" default="oak-d_frame" />
<arg name="parent_frame" default="oak-d-base-frame" />
<arg name="publisher_name" default="tracker_publisher" />

<arg name="cam_pos_x" default="0.0" /> <!-- Position respect to base frame (i.e. "base_link) -->
<arg name="cam_pos_y" default="0.0" /> <!-- Position respect to base frame (i.e. "base_link) -->
<arg name="cam_pos_z" default="0.0" /> <!-- Position respect to base frame (i.e. "base_link) -->
<arg name="cam_roll" default="0.0" /> <!-- Orientation respect to base frame (i.e. "base_link) -->
<arg name="cam_pitch" default="0.0" /> <!-- Orientation respect to base frame (i.e. "base_link) -->
<arg name="cam_yaw" default="0.0" /> <!-- Orientation respect to base frame (i.e. "base_link) -->

<arg name="camera_param_uri" default="package://depthai_examples/params/camera" />
<arg name="sync_nn" default="true"/>
<arg name="subpixel" default="true"/>
<arg name="confidence" default="200" />
<arg name="LRchecktresh" default="5" />
<arg name="lrcheck" default="true" />
<arg name="extended" default="false" />
<arg name="monoResolution" default="400p"/> <!-- '720p', '800p', 400p' for OAK-D & '480p' for OAK-D-Lite -->
<arg name="monoFPS" default="30"/>
<arg name="rgbFPS" default="30"/>
<arg name="nnName" default="x" />
<arg name="resourceBaseFolder" default="$(find depthai_examples)/resources" />
<arg name="previewSize" default="416" />
<arg name="rgbResolution" default="1080p"/>
<arg name="rgbScaleNumerator" default="2"/>
<arg name="rgbScaleDinominator" default="3"/>
<arg name="enableDotProjector" default="true"/>
<arg name="enableFloodLight" default="true"/>
<arg name="dotProjectormA" default="1200.0"/>
<arg name="floodLightmA" default="400.0"/>
<arg name="angularVelCovariance" default="0" />
<arg name="linearAccelCovariance" default="0" />

<include file="$(find depthai_descriptions)/launch/urdf.launch">
<arg name="base_frame" value="$(arg base_frame)" />
<arg name="parent_frame" value="$(arg parent_frame)"/>
<arg name="camera_model" value="$(arg camera_model)"/>
<arg name="tf_prefix" value="$(arg tf_prefix)" />
<arg name="cam_pos_x" value="$(arg cam_pos_x)" />
<arg name="cam_pos_y" value="$(arg cam_pos_y)" />
<arg name="cam_pos_z" value="$(arg cam_pos_z)" />
<arg name="cam_roll" value="$(arg cam_roll)" />
<arg name="cam_pitch" value="$(arg cam_pitch)" />
<arg name="cam_yaw" value="$(arg cam_yaw)" />
</include>

<node name="$(arg publisher_name)" pkg="depthai_examples" type="tracker_node" output="screen" required="true">
<param name="tf_prefix" value="$(arg tf_prefix)" />
<param name="camera_param_uri" value="$(arg camera_param_uri)"/>
<param name="sync_nn" value="$(arg sync_nn)"/>
<param name="subpixel" value="$(arg subpixel)"/>
<param name="confidence" value="$(arg confidence)"/>
<param name="LRchecktresh" value="$(arg LRchecktresh)"/>
<param name="monoResolution" value="$(arg monoResolution)"/>
<param name="monoFPS" value="$(arg monoFPS)"/>
<param name="nnName" value="$(arg nnName)"/>
<param name="resourceBaseFolder" value="$(arg resourceBaseFolder)"/>
<param name="previewSize" value="$(arg previewSize)"/>
<param name="lrcheck" value="$(arg lrcheck)"/>
<param name="extended" value="$(arg extended)"/>
<param name="rgbFPS" value="$(arg rgbFPS)"/>
<param name="rgbResolution" value="$(arg rgbResolution)"/>
<param name="rgbScaleNumerator" value="$(arg rgbScaleNumerator)"/>
<param name="rgbScaleDinominator" value="$(arg rgbScaleDinominator)"/>
<param name="enableDotProjector" value="$(arg enableDotProjector)"/>
<param name="enableFloodLight" value="$(arg enableFloodLight)"/>
<param name="dotProjectormA" value="$(arg dotProjectormA)"/>
<param name="floodLightmA" value="$(arg floodLightmA)"/>
<param name="angularVelCovariance" value="$(arg angularVelCovariance)" />
<param name="linearAccelCovariance" value="$(arg linearAccelCovariance)" />
</node>

</launch>
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