Questions tagged [image-view]

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Dexterous Workspace

Can anyone please help me understand how I can get the dexterous workspace I know how to obtain the reachable workspace but in 3D I can't see the dexterous, anyone know of any tricks or tips? Would ...
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rqt_image_view for Foxy and Galactic

I am missing something simple here, and been at it for days now. Installed Foxy and Galactic on Ubuntu 20.04. Both working and going through the tuts. Attempted to add packages from repo's as ...
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Open image from file with image_publisher

Hi everybody, I try to publish an an Image (bmp.file) to an camera stream with image_publisher. I want to display this Image with image_view. But here I got an error. Can somebody tell me how to fix ...
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Problems in extracting images from bag file

Hi, I'm a newbie to ROS (and Linux too) so probably this is the most stupid question ever, but I swear I have followed the first tutorials on the wiki and I'm starting to learn little by little. I ...
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GLib-GObject Error: Mutex Assertion, Aborted Core Dump

I'm trying to run this tutorial (melodic remote PC, kinetic turtlebot 2) rosrun image_view image_view image:=/camera/rgb/image_raw I confirmed via ...
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Extracting compressed image data from bag file results in doubled up or dropped frames

Hi, I'm trying to extract compressed images from a bag file. Here is my launch file: ...
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Image publisher node publishes empty header

I am trying to make a node that can both capture omnidirectional images to unwrap them and subsequently publish the resulting image in a new topic. As of now, the capturing of images for unwrapping ...
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Not able viewing image using image_view package

I have been trying to use image_view to to view bottom camera of ardrone simulated in Gazebo but not able to see anything. The below command I've used: ...
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Issues with prosilica camera connected through router

I'm testing a Prosilica GT1290C camera with a Pioneer 3AT robot, connected through a router to it. The robot has Ubuntu 14.04 with ROS Indigo and all the packages needed to operate the camera ...
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rosbag doesn't playback at same speed

Hi, I have recorded a rosbag w topics at ~7 Hz. When I use rosbag play on those topics, they playback at 2Hz. The rosbag info ...
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Unable to view image using image_view in ROS Indigo with rosberrypi_cam

I have succesfully installed the rosberrypi_cam package following this page. After that when I execute the command rosrun rosberrypi_cam rosberrypi_cam_node the ...
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How do I change the filename_format of picture to rostime?

Dear All: At present the Bag file change a picture file. File name are frame000001,frame000002...... How do I change the filename_format of picture to rostime? Originally posted by lin on ROS ...
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video_recorder compressed image

Hi all, I am trying to get a video from a compressed Image. I saved the data from the camera in a rosbag file called _2016-09-13-02-10-12.bag. If I do : ...
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How to flip a Camera image upside down?

Hi. I'm using V-REP to generate a simulated environment for a robot to function in, and have two vision sensors being used as stereo cameras to be sent to ROS. Annoyingly, when I send the data from V-...
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usb_cam and image_view keeps giving "videre INI" error

I'm using usb_cam and image_view packages to capture images from a usb camera. However, after I launch the nodes, the image_saver node in image_view package keeps giving me the same errors: ...
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Extract video from PointCloud2

I have a rosbag file with sensor_msgs/PointCloud2 data. I want to extract a video from these data. All the ROS tools I found is related to the extraction of video from an Image topic. Is it possible ...
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image_view symbol lookup error

Hi there, Whenever I try to use image_view to visualize a topic published by usb_cam with the following command: ...
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3 answers
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Image conversion problem with image_view video_recorder

Hello, I am trying to directly record a video from an image topic using video_recorder from image_view. I am testing it with my laptop camera running ...
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image_view stereo_view do not show image or disparity

I have been trying to view my stereo disparity image using image_view stereo_view but whenever i run it i get two blank left and right windows with the following ...
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display multiple windows using image_view

Hi, all, If there two image topics: One is /camera/rgb/image_color, the other is /camera/mono/image_mono I want to view these ...
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run : rosrun image_view image_view image:=/camera/rgb/image_mono

hi , i want to start image processing with ROS, i think i should work wih rosrun image_view image_view image:=/camera/rgb/image_mono but when i run this command i ...
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[rospack] Error: package 'image_view' not found

Hi I use ubuntu14.04 on Raspberry Pi 2 I installed ros-indigo-desktop I ran the following command ...
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simple way to view a depth image topic from command line?

image_view pukes when you try to view a depth image (typically 16 bit single channel): $ rosrun image_view image_view image:=/hsrb/head_rgbd_sensor/depth_registered/image_raw [ INFO] [1439901837....
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Extract 60 fps image from bag file

I have a bag file with a 60 fps camera image stream. I want to extract all the image frames. However, even if I specified _sec_per_frame to a very small value, I still got very low fps image files: ...
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unable to extract images from bag file

http://wiki.ros.org/rosbag/Tutorials/Exporting%20image%20and%20video%20data I am following this tutorial. after I did roslaunch export.launch, ...
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Kinect with OpenNI in VMWare?

I am running ROS Hydro with Ubuntu 12.04 through VMWare Fusion in an iMac and I'm trying to get my Kinect (model 1414) to work thourgh OpenNI (I've installed openni-camera, openni-launch, and ...
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What are the parameter naming conventions for packages?

How do you determine the correct parameter names to send to a node? I've noticed some variability in naming conventions around package parameters. Specifically, I'm trying to use stereo_image_proc and ...
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Kinect No Image received

Hello,i am using ubuntu12.04 and hydro in VMware.i installed openni-camera,openni-launch,and SensorKinect,when I tried to view the data using openni_camera package, ...
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Compile Time Error when making image_view

Hi all, I am trying to get ros installed on the Raspberry Pi 2. Let me first say what a pleasure it is reading the helpful how to's. I am following the http://wiki.ros.org/indigo/Installation/Debian ...
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rviz seg faults when adding camera, depth cloud or image displays

Hi, When I try to add one of the three (Camera, Depth Cloud, Image) displays in rviz, it immediately seg faults. gdb gives me the following output: ...
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rqt custom imageView. Showing images from different cameras

Hi to all, On several occasions I have created rqt plugins for monitoring different devices, and for interacting with robots graphically. In this occasion, i have a robot with eight video cameras and ...
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launching the image_view node of kinect camera

Dear all, For Kinect, to view depth images on the topic /camera/depth/image, we use this command rosrun image_view image_view image:=/camera/depth/image Now my ...
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Is it possible to extract gray scale images using image_view?

I have ros messages which contains imaged data of type 16UC1. But image_view seems to extract image of type RGB8 only. Is it possible to make it convert 8UC1 and 16UC1 types? Originally posted by ...
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Image viewer in undecorated window?

Are there any solutions for viewing sensor_msgs::Image messages in an undecorated window (no menu or border) with ros dynamically controlled width, height, x and y screen position? I think I can ...
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How to launch stereo view from inside a launch file

I am having trouble with thinking how to do two arguments inside the args type of a node element in the launch file. Consider wanting to launch the following node inside a launch file: ...
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Image_view frozen image

I am using image_view on a Jetson tegra - Ubuntu 14.04 Indigo. When I run Image view, I get a frozen image (One frame). Usually I get no error messages, occasionally I dee [ 4002.992926] uvcvideo: ...
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No diparity image for stereo vision using prosilica cameras

I have started working with two prosilica cameras for stereo vision. At first I downloaded the driver package for prosilica camera driver. I developed two launch files for two cameras in syncin1 and ...
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1 answer
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Cannot view image using image_view on ubuntu 14.04

I have ros indigo installed on ubuntu 14.04. When I run the command rosrun image_view image_view image:=/cam1/image_raw I get the error ...
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1 answer
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image_view freeze after 3 seconds

Hi, I'm trying to display a simple video stream using camera1394 and image_view on Indigo and Ubuntu 14.04. I start camera1394 with this command: ...
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How can I fix this launchfile?

Hi dear ROS community! I've started learning ROS a few months ago. Currently I'm trying to create my first launchfile that starts gscam and image_view packages to open a camera and visualize the video ...
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Save images as 8-bit grayscale in image_view extract from rosbag file

Hello, I use a launch-file in order to extract images from a stereo-camera (stereo/left & stereo/right). Thereby I use the package "image_view" with the node "extract" to grab ...
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2 answers
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Could not find executable running image_view from rosrun

I've been using image_view to see the contents of image topics for some time, but I encountered a problem and I have no idea what the cause is. Here's what I get when trying to check an image topic: ...
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Cannot use rosdep to install image_view in ros hydro

*Hi all , I am running Ubuntu 13.04 and I cannot install image_view using rosdep install image_view. It returns the following : ERROR: Rosdep cannot find all required resources to answer your query ...
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2 answers
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rosmake: error: no such option: --rosdep-installI

I 'm using ROS and I'm trying to follow the tutorials on how to export image and video data from a bag file.I keep having this error.When inserting the " rosmake image_view --rosdep-install"....
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Turtlebot depth image not showing in image_view

Hello, I want to try some opencv algorithms with depth images from the turtlebot1 (create base). I want to save them for later use because of the complexity of modifying and remaking a node. We have ...
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8 views

How can I see images from usb_cam?

Good afternoon. I have usb_camera installed on my groovy raspbian. I have done : rosparam set usb_cam/pixel_format yuyv and after that I wrote : rosrun usb_cam usb_cam_node I´m being given : usb_cam ...
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an error while "installing the image_view"

i use ubuntu 12.04 & ROS(groovy) i want to use wstool and catkin_make to get the package:image_view. but there are some problems: ...
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Can't get image from nao_camera

Hello, I want some help. I am using NAO right now. I follow this tutorial : www.ros.org/wiki/nao/Tutorials/Getting-Started and I can make it walk, etc. INFO : I am using this version -> pynaoqi-...
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Extracting kinect depth_registered image

Hi everybody, I am using Ubuntu 12.10 with ROS Groovy. My problem is that I would like to extract the depth_registered image, in the same way I do it with the rgb image (in order to be able to do some ...
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Why cannot I rosmake the image_pipeline package?

Hi, I want to use the opencv in my ros, following the tutorials: http: // www .ros.org/wiki/openni_launch, I git cloned the image_view package(actually I use the command: git clone https :// ...
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