Questions tagged [uvc-camera]

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Can't rosdep install uvc_camera, missing rosdep definition for sensor_msgs

Hi, Completely new to ROS. I am using indigo on Ubuntu 14.04. I am following a recipe of steps that a colleague has followed before. Have done a new install of ROS according to the install ...
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Running a node on multiple CPU cores

Hi I am trying to publish a camera stream using the "uvc_camera" (http://wiki.ros.org/uvc_camera) package. All works well, but I get a low framerate on high resolution. This seems to be due ...
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missing libv4l2.h file during compilation

Hi I'm trying to compile a package on an odroid but get the error that I'm missing libv4l2.h that is a dependency for the camera driver package I'm installing (http://wiki.ros.org/uvc_camera). I have ...
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Mobius camera interface in ROS

Hi, I would like to work with mobius actioncam and ROS on nvidia tegra tk1. I've tried both uvc_camera and usb_cam packages but without success. uvc_camera gives me this error: "I only handle ...
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Color format for monochrome YUYV camera all messed up

I have a see3cam_10CUG camera that I've been using with ROS. I originally installed uvc_camera and it worked just fine. I then tried to get the libuvc_camera library to work with this camera and went ...
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ar_pose_marker from ar_pose packge not published

I would like to run the ar_pose package and read the ar_pose_marker_ data. I did the following I have the following two packages : 1- ar_pose 2- uvc_camera I run the following two launch files: ...
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detect qrcode with zbar_ros

I could use zbar_ros with a webcamera to detect QRcode successfully. But when I change the camera ,and add ...
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Why prefer to use uvc_camera instead of cv::Capture when working with OpenCV?

Hi! ROS offers its own way of grabbing data from cameras (for example: a normal web cam most of us have integrated in our notebooks) using the uvc_camera driver. Now I'm not asking why use this at all....
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qrcode_detection problem

hi everyone I want to use hector_qrcode_detection package. But i dont know if an uvc cemera is enough. In the launch file i see three different vision sources: ...
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Error when launching uvc_camera

Hi I am currently trying to use uvc_camera with my project but when i launch it i get this error with my codes. ( This are my error) ...
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Calibration uvc_camera and ar_pose | does not match name narrow_stereo

Hi, I have a problem with calibration of uvc_camera. According to this tutorial I calibrated my uvc_cam, I get txt file, next I converted it to *yaml file. Unfortunately something is still wrong. ...
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uvc_camera: pixel format unavailable with USBTV007 EasyCAP

Hi guys, I'm using a USBTV007 EasyCap (ID 1b71:3002 by lsusb) to capture wireless video. The system can already see it in /dev/ as video0 and I can use VLC media player to display the video on the ...
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brightness of uvc_camera on Hydro armhf

Hi, Although uvc_camera works, the brightness settings are set to maximum and looking at https://github.com/ktossell/camera_umd/blob/master/uvc_camera/src/uvc_cam.cpp this is hardcoded. So my question ...
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camera_node not found in package uvc_camera?

Hi, I'm using ubuntu 13.04 ros hydro and I'm trying to run the camera_node on my in uvc_camera package using a launch file containing : But I get this error ERROR: ...
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I got a problem in using uvc_camera using the web cam in labtop

administrator@ubuntu:~$ rosrun uvc_camera uvc_camera_node [ INFO] [1394081431.272573694]: using default calibration URL [ INFO] [1394081431.272681642]: camera calibration URL: file:///home/...
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Roslaunch cannot find launch file

I have installed uvc_camera package by running: ...
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libuvc hydro catkin install fails

I am trying to get a camera driver(any camera driver working) on a RADXA Rock board. Ubuntu raring - cheese works, but I can't get any ROS driver to make or work. roslaunch uvc_camera uvc_camera....
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libuvc_camera - Camera Doesn't Respond To Parameter Changes

Hi Everyone, I have a Logitech C920 that I'm using with the libuvc_camera node. I've followed the instructions here: http://wiki.ros.org/libuvc_camera. My goal is to disable auto focus and auto ...
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uvc_camera not launching in ros groovy

I get this error when roslaunch uvc_camera camera_node.launch is run in a terminal. ERROR: cannot launch node of type [uvc_camera/uvc_camera]: can't locate node [uvc_camera] in package [uvc_camera] ...
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uvc camera nodelet for multiple HD cameras

Hello, I am currently trying to display the output of multiple cameras (Logitech c930e) using uvc_camera nodes in HD (1920 x 1080). For each camera, there is a dedicated monitor. All the monitors are ...
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Can't process image using cv_bridge

I'm using a library called 'tpofinder' to recognize textured objects,but it can only work using opencv's videocapture() function,and it's very slow,about 1 fps or less. I'm using CMake to build it,in ...
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uvc_camera applies max values for brightness and contrast

I have been using uvc_camera to capture image streams in ROS before. It has changed its behavior recently and I can't figure out why or how to revert it. When ...
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changing roslaunch parameter

Hi! I would like to use an external webcam with a laptop that already has a built-in webcam which is mapped to /dev/video0. The uvc_camera node wants to use /dev/video0 and would like to change it to ...
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Unable to load calibration file in uvc_camera over network

I tried to launch a node over the network with the following code: ...
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1 answer
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Is multiple cameras views for mjpeg_server possible?

I am trying to set up multiple camera views for tele-operation under mjpeg_server. I would like to utilize up to 4 cameras running on one machine simultaneously to be output to one webpage. Or ...
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The problem when running "rosrun uvc_camera camera_node"

when I run the command "rosrun uvc_camera camera_node",it shows as below: using default calibration URL camera calibration URL: file:///home/sven/.ros/camera_info/camera.yaml Unable to open ...
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uvc_camera gets a terrible image and usb_camera doesn't set framerate

I have a Logitech c920 webcam that I want to use with ROS. I originally installed uvc_camera, but it gets a terrible quality image from the camera. Then I tried usb_cam, which gets a fantastic quality ...
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uvc_camera launch and stereo node failing

I'm attempting to run stereo cameras using the uvc_camera package in ros electric ubuntu 11.10 My launch file is: ...
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uvc_camera initialization problem

camera_node fails to launch with the following errors at terminal : core service [/rosout] found Exception AttributeError: AttributeError("'_DummyThread' object has no attribute '_Thread__block'&...
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2 answers
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How to install yaml-cpp0.2.6-dev / How to install from source correctly

Hi Guys, I'm not a total newbie to ROS and Ubuntu but I have a problem to install the yaml-cpp2.6-dev file. I tried to make the uvc_camera Package and it complains about a missing dependencie of 'yaml-...
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Stereo Camera syncronization

Hi all, I'm using the uvc_camera package and its stereo_node to grab frames from my 2 webcams. Now I'm trying to have a measure of the sync error of the 2 frames doing the following: write ...
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Questions regarding usb cameras

Hi, I'm new to ROS as well as to linux and has been trying to get the usb camera to work. I've followed the tutorials from: http://www.ros.org/wiki/ROS/Tutorials/InstallingandConfiguringROSEnvironment ...
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ROS Answers SE migration: uvc_camera

I was happily using uvc_camera in my development. Everything was working ok. Then I performed a linux upgrade that said one package was being removed and now I don't have uvc_camera. I don't seem to ...
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List of available cameras and drivers in ROS

Hi there, I am preparing a tutorial on image processing in ROS and would thus like to present a list of currently available cameras and associated drivers in ROS. I am aware of the camera_drivers ...
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2 answers
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Using the "Player" package

Hi, I am trying to use the "Player" package with a package that I am working on, but I can't seem to find any documentation telling me how to use that package. Right now, I have "player&...
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2 answers
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How do you configure uvc_camera?

I'm trying to get my camera_node working, and it doesn't seem to be taking the parameters given into account at all. My launch file (excerpt): ...
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uvc_camera, load calibration file

Hi there, I'm relatively new in the ros community.. so at the moment I am playing around with ros and image processing to get into it.. the problem I get is the following: the uvc_cam node seems to be ...
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1 answer
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How to run uvc_camera stereo nodelet?

I just edited out the stereo_nodelet.launch that comes with the uvc_camera package and then added a couple of nodes: ...
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Using two webcam for uvc_camera stereo_node

Hi, In all I have three camera. two external webcam and 1 integrated webcam on laptop. When I run the command $rosrun uvc_camera stereo_node using the integrated webcam and either of the external ...
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Gumstix, uvc_camera and cv_capture

I've observed something surprising with a small UVC camera on the gumstix overo. If I use the camera_node from uvc_camera, I get barely 2 fps in 640x480. On the other hand, if I make a small ...
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