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DNN Object Detection

Isaac SIMの起動

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export ROS_DOMAIN_ID=1

Isaac SIMを起動。起動時にROS Bridgeを設定する。

Jetson側のROSの設定

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cd ${ISAAC_ROS_WS}/src/isaac_ros_common && \
./scripts/run_dev.sh

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sudo apt update
sudo apt-get install -y ros-humble-nova-developer-kit-bringup 
source /opt/ros/humble/setup.bash

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sudo apt-get install -y ros-humble-isaac-ros-detectnet \
    ros-humble-isaac-ros-dnn-image-encoder \
    ros-humble-isaac-ros-triton
sudo apt-get install -y ros-humble-isaac-ros-examples ros-humble-isaac-ros-argus-camera

Jetson側のコマンド

PeopleNet Modelモデルをダウンロードし .onnx modelに変換(変換には3分程度:Jetson AGX Orin)

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ros2 run isaac_ros_detectnet setup_model.sh \
    --config-file peoplenet_config.pbtxt

Object Detectionを起動

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ros2 launch isaac_ros_detectnet isaac_ros_detectnet_isaac_sim.launch.py

ROS topic list

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ros2 topic list

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/back_stereo_imu/imu
/chassis/imu
/chassis/odom
/clock
/cmd_vel
/detectnet/detections
/detectnet/detections/nitros
/detectnet_encoder/converted/image
/detectnet_encoder/converted/image/nitros
/detectnet_encoder/crop/camera_info
/detectnet_encoder/crop/camera_info/nitros
/detectnet_encoder/crop/image
/detectnet_encoder/crop/image/nitros
/detectnet_encoder/crop/image/nitros/nitros_image_rgb8
/detectnet_encoder/image_tensor
/detectnet_encoder/image_tensor/nitros
/detectnet_encoder/normalized_tensor
/detectnet_encoder/normalized_tensor/nitros
/detectnet_encoder/planar_tensor
/detectnet_encoder/planar_tensor/nitros
/detectnet_encoder/resize/camera_info
/detectnet_encoder/resize/camera_info/nitros
/detectnet_encoder/resize/image
/detectnet_encoder/resize/image/nitros
/detectnet_processed_image
/front_3d_lidar/lidar_points
/front_stereo_camera/left/camera_info
/front_stereo_camera/left/camera_info/nitros
/front_stereo_camera/left/camera_info_resize
/front_stereo_camera/left/camera_info_resize/nitros
/front_stereo_camera/left/image_rect_color
/front_stereo_camera/left/image_rect_color/nitros
/front_stereo_camera/left/image_resize
/front_stereo_camera/left/image_resize/nitros
/left_stereo_imu/imu
/parameter_events
/right_stereo_imu/imu
/rosout
/tensor_pub
/tensor_pub/nitros
/tensor_sub
/tensor_sub/nitros
/tf

Orin Nova Developer Kitのカメラの場合

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cd ${ISAAC_ROS_WS}/src/isaac_ros_common && \
./scripts/run_dev.sh

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sudo apt-get update
sudo apt-get install -y ros-humble-isaac-ros-examples \
    ros-humble-isaac-ros-argus-camera

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ros2 run isaac_ros_detectnet setup_model.sh --config-file peoplenet_config.pbtxt

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ros2 launch isaac_ros_examples isaac_ros_examples.launch.py \
    launch_fragments:=argus_mono,rectify_mono,detectnet

Reference