Image Pipeline Foxy 20210322
From wikidb
Contents
Image Pipeline References
- Image Pipeline Repository
- Github ROS Perception Image Pipeline Foxy
- Github for Release 2.1.1 ROS Perception impage_pipeline
- Foxy image_view: tabs to other image_pipeline repos
- /opt/ros/foxy/include/image_pipeline headers
Other Cameras
Location
image_ws
Installing the Image Publisher
See Webcam Foxy Notes below for more details.
I may have found this by going here: https://index.ros.org/r/image_pipeline/github-ros-perception-image_pipeline/#foxy
$ mkdir -p image_ws/src $ cd image_ws/src/ $ git clone -b 2.1.1 https://github.com/ros-perception/image_pipeline ... $ ls image_pipeline $ ls image_pipeline/ camera_calibration image_proc LICENSE wiki_files CONTRIBUTING.md image_publisher README.md depth_image_proc image_rotate stereo_image_proc image_pipeline image_view tools $ cd .. $ colcon build --symlink-install --parallel-workers 1 ...
- Lots of warnings about deprecated headers
Execute the Image Publisher
The image_publisher came from the Image Pipeline Foxy 20210322
TERMINAL 1
$ source ~/image_ws/install/setup.bash
$ ros2 run image_publisher image_publisher_node /dev/video0
[INFO] [1618505195.586979521] [ImagePublisher]: param_change_callback
[INFO] [1618862018.060864187] [ImagePublisher]: Reset filename as '/dev/video0'
[INFO] [1618862018.060899412] [ImagePublisher]: File name for publishing image is : /dev/video0
[ WARN:0] global ../modules/videoio/src/cap_gstreamer.cpp (1758) handleMessage OpenCV | GStreamer warning: Embedded video playback halted; module source reported: Could not read from resource.
[ WARN:0] global ../modules/videoio/src/cap_gstreamer.cpp (888) open OpenCV | GStreamer warning: unable to start pipeline
[ WARN:0] global ../modules/videoio/src/cap_gstreamer.cpp (480) isPipelinePlaying OpenCV | GStreamer warning: GStreamer: pipeline have not been created
[INFO] [1618862020.729152588] [ImagePublisher]: Flip horizontal image is : false
[INFO] [1618862020.729282428] [ImagePublisher]: Flip flip_vertical image is : false
TERMINAL 2
$ ros2 topic list
/camera_info
/image_raw
/parameter_events
/rosout
$ ros2 topic echo image_raw
---
header:
stamp:
sec: 1617818511
nanosec: 782709125
frame_id: camera
height: 480
width: 640
encoding: bgr8
is_bigendian: 0
step: 1920
data:
- 82
- 85
- 82
-
...
...
Execute Image View
The image_publisher came from the Image Pipeline Foxy 20210322
$ ros2 run image_view image_view image:=image_raw
[WARN] [1622086172.613337840] [rcl]: Found remap rule 'image:=image_raw'. This syntax is deprecated. Use '--ros-args --remap image:=image_raw' instead.
[INFO] [1622086172.634011782] [image_view_node]: Using transport "raw"
You will also find an image viewer in
- the ros2demo_ws work space - demos: image_tools
- ROS 2 Demos Foxy 20210407
