Problem with usb_cam in melodic using laptop integrated camera
I installed ros, usb_cam successfully however when I run the command:> rosrun usb-cam usb-cam-node I get the following error: [ INFO] [1532657507.128646432]: using default calibration URL [ INFO]...
View ArticleWhy can't I install usb-cam package at RPI3?
Hello, I have installed Raspbian Stretch at my RPi3 and the ros_comm for the ROS Kinetic package (since it was the recommended one from the ros wiki). However, when I try to install any package the...
View Articlefocus setting in usb_cam
When I try to use `usb_cam` to control uvc camera, setting the "focus" parameter in the launch file, it seems to have no effect on my image result. But it does have effects when I change the...
View Articleusb_cam package and head_camera.yaml missing
Hello, I am new to ROS. I have been trying to do usb camera integration into a robotics project at our university's lab. I will write the steps i did and the errors that i got. 1. I went into my...
View ArticleUSB_CAM error : Input/output error
Hi, I want to use web-camera(Logicool Webcam C210) I use usb-cam package,but I cannnot see the web-camera view. My launch file is below, So,I got the error messages [ERROR] [1536468451.681312829]:...
View ArticleUSB_CAM error with low resolution on RaspiCam
Hi Guys, When trying to run the USB_CAM with a **raspberry pi cam** connected with a **flex cable** I am getting the following error: ***[ERROR] [1536479863.709252536]: VIDIOC_S_FMT error 22, Invalid...
View ArticleInput/output error using usb_cam package
Hi, I am trying to use ```usb_cam``` package to connect a *Logitech* usb camera from my laptop. I am using ROS ```kinetic``` with ```Ubuntu 16.04```. I successfully built the package using...
View Article[image_transport] Topics '/usb_cam/image_color' and '/usb_cam/camera_info' do...
please help me :( $ rosrun image_transport republish compressed in:=usb_cam/image raw out:=usb_cam/image $ ROS_NAMESPACE=usb_cam rosrun image_proc image_proc image_raw:=image _approximate_s=true...
View ArticleNot detecting raspberry pi camera
I am doing a project in which I have to use a usb camera and the raspberry pi camera. Therefore, I installed first the usb_cam package and tried to make a web streaming with the rasbperry pi camera....
View ArticleProblems when relaunching camera
First time after starting PC I can launch camera by:> roslaunch usb_cam usb_cam-test.launch However after closing it, using ctrl+c in the terminal and running again I get following error: >...
View Articleopencv video_stream crash for webcam
Hi, Im using ROS kinetic with ubuntu 16 I tried to run the following: sudo apt-get install ros-kinetic-video-stream-opencv source devel/setup.bash roslaunch video_stream_opencv webcam.launch it opens...
View ArticleInput/output error using usb_cam
I am trying to use usb_cam package to connect a Logitech usb camera from my laptop. I am using ROS kinetic with Ubuntu 16.04. I successfully built the package using catkin_make. Then when I run the...
View Articlerecording only header image_raw message
I would like to record using rosbag only the /usb_cam/image_raw/header topic excluding the data. Tried: rosbag record -a -x "/usb_cam1/image_raw/data" But looks like it is not working. I have more...
View ArticleVIDIOC_S_FMT error 5 , Input/output error
Hello, When i run the node usb_cam in ros kinetic under ubuntu 16.04 I have this error: [ERROR] [1555322281.131759362]: VIDIOC_S_FMT error 5, Input/output error [usb_cam-2] process has died [pid 18567,...
View ArticleHow to use image_proc/crop_decimate to crop an image?
Hi, I used usb_cam driver to publish a camera raw image, and I'm trying to crop the published image using image_proc/crop_decimate. when I viewed the output of image_proc/crop_decimate, I did not see...
View ArticleRunning usb_cam across VNC and getting Cannot identify '/dev/video0'
Hello guys, I was running a docker container that contains the normal ros packages and usb_cam. I visualized the ubuntu interface through a VNC (localhost:5900) and tried `roslaunch usb_cam...
View Articleusb_cam pkg gives garbled green screen
I have a ROS kinetic on my virtualbox. I tried to use "usb_cam" pkg but it doesn't work. My web cam is connected directly to my PC and I can see the video through "cheese" or "camorama" but when I run...
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