image_resizer¶
Publish resized image and camera_info.
Subscribing Topic¶
~input/image
(sensor_msgs/Image
)Input image.
~input/camera_info
(sensor_msgs/CameraInfo
)Input camera info.
Note
The subscribing topic name is changed when you remap the one of input image, because it uses image_transport.
Publishing Topic¶
~output/image
(sensor_msgs/Image
)Resized image.
~output/camera_info
(sensor_msgs/CameraInfo
)Resized camera info.
Parameters¶
~resize_scale_x
,~resize_scale_y
(Double
, default:0.25
)Resizing scale.
~use_messages
(Bool
, default:true
)If
true
, topic publishing rate will be limited, and it causes some problems on handling rostime: for examplerosbag play --loop
won’t work with this option, and the topic publication is stopped.~msg_par_second
(Double
, default:15.0
)Topic publishing rate if
~use_messages
istrue
.~interpolation
(String
, default:LINEAR
)Candidates: NEAREST, LINEAR, AREA, CUBIC, LANCZOS4
See this page for more details
Sample¶
$ roslaunch resized_image_transport sample_image_resizer.launch