Running 2 different cameras using usb_cam
Hello, I'm using the usb_cam package and I'm trying to launch my 2 cameras at the same time. I'm using the following launch file: <launch><group ns="camera1"><node...
View ArticleSegmentation Fault in lsd_slam
i have installed all nodes and dependencies properly. when i run with any .bag example, the live_slam throws this error: $ rosrun lsd_slam_core live_slam image:=/imraw camera_info:=/camera_info...
View ArticleIs it possible to display a robot model on top of the camera image in Rviz?
I am trying to display a 3D model of my drone on an image it had taken earlier. I have transforms, camera_info, position data, and timestamps, as well as the URDF and the model. However, I cannot seem...
View Articleusb_cam: [ERROR]Webcam: expected picture but didn't get it...
I'm trying to use ``` rosrun usb_cam usb_cam_node ``` to read my web camera, but it keeps returning error: >[ERROR] [1392890872.217213339]: Webcam: expected picture but didn't get it...>[ERROR]...
View Articleusb_cam rosmake failed.
asus@asus-K46CB:~$ cd //home/asus/Desktop/ROS/usb_cam/ asus@asus-K46CB://home/asus/Desktop/ROS/usb_cam$ rosmake ---------- [ rosmake ] rosmake starting... [ rosmake ] No package or stack specified. And...
View Articleuvc_cam camera problem
hi i am beginner. and i try to install ar_sys pack. and when i run it ---------- ERROR: cannot launch node of type [uvc_camera/uvc_camera_node]: uvc_camera ROS path [0]=/opt/ros/indigo/share/ros ROS...
View ArticleCamera Models For Hector Slam ?
Hi . i am beginner for ros .my system is 14.04 and indigo ros. i want to work on Hector Slam . But i don't know that i will use which model camera ? i have a4tech PK635k webcam but probably it is...
View ArticleUSB Camera is not running - Book Learning ROS for Robotics Programming
I am using Ubuntu 15.04 and jade version of ROS. I am trying to use the usb camera by the method given in the book on page 187. My camera is already good and I checked it by the "cheese" method...
View ArticleCannot start usb_cam, libs newer available but an only version needed
I launch roslaunch cam.launch and libavcodec version 56 and libswscale3 available but asks 54 and 2, which are not available. When sudo apt-get install ros-indigo-usb-cam quits because of broken...
View Articleusb_cam installation on ubuntu and default launch file
Hello All, I installed ros-jade-usb-cam with apt-get and then made a "sudo dpkg -L ros-jade-usb-cam" which generated the following files: /opt /opt/ros /opt/ros/jade /opt/ros/jade/include...
View Articleusb_cam camera frame rate, and rostopic
Hello, I am using usb_cam module to get image from my usb logitech c910. I am using the following usb_cam.launch file: When I launch roslaunch usb_cam usb_cam.launch it indeed works and reports...
View Articleimage_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: rosrun image_view image_view image:=/usb_cam/image_raw I get this: init done opengl...
View Articleno image received error in rviz
Hi, I am using Ubuntu 12.04 with ROS hydro . Currently ,i am stuck with a error in rviz which states that " no image received" in status field under camera. I am using iball usb_cam. I tried all the...
View ArticleNo JPEG data found in image
I am currently running ROS on VirtualBox. After running $roslaunch usb_cam usb_cam.launch Checking log directory for disk usage. This may take awhile. Press Ctrl-C to interrupt Done checking log file...
View ArticleRunning two nodes for two webcams with usb_cam
I'm trying to run two different webcams. What I understood was I need to create two different nodes and set the parameters differently to run them. Both are [Logitech C270...
View ArticleProblem about opening webcam(logitech C920)
I followed this website http://answers.ros.org/question/197651/how-to-install-a-driver-like-usb_cam/?answer=230326#post-id-230326 ,try to open my webcam. There are some errors about comand $ rosrun...
View Articlewebcam on exterior conditions
Hey there, Firstly, I'm aware this is not a completely ROS related question, however I have used this web camera before on the exterior with no problems, so I'm wondering if I might be missing...
View Articlehow to install ros-indigo-usb-cam
i am trying to install ros-indigo-usb-cam and after i typed in the command sudo apt-get install ros-indigo-usb-cam it gives me this error Reading package lists... Done Building dependency tree Reading...
View Articlear_sys how to run Help !!!
hi i am new use on ROS. i wanna run ar_sys package but i miss something when i try it . i need help about that someone will help me step by step. For example normally i couldn't run usb_cam but i...
View ArticleUsing native H264 webcam compression with usb_cam
For those of us streaming video over a bandwidth limited wireless connection for teleop purposes, video compression is really important. I'm aware of the x264_image_transport plugin by IntRo Lab...
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