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Questions tagged [usb-camera]

46 questions
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Grab timed out. : TimeoutException thrown (file 'InstantCameraImpl.h', line 1064) in pypylon usb camera frame grabing

Code is simple image grabing python code from 6 different camera. Code runs perfectly at start but after sometime randomly in one of the camera grabtimee out exception is thrown. The error is not related to any specific camera. #MV record…
Pratik Parwatwar
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Is it possible to use cv2.Videocapture to access video devices greater than 7 index on Ubuntu 18.04?

Currently trying to simultaneously capturing 10 images with 10 usb cameras connected to a Raspberry Pi 4 (through board USB ports and usb hub) with Ubuntu 18.04 installed. I am using a multithreading approach to create multiple camera objects which…
Asherk03
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kinect dk camera not showing color image

Situation is very weird, when I got it over a year ago, it was fine. I have updated the sdk, updated the windows 10, updated the firmware, all are latest. behavior in the official "Azure Kinect Viewer" is the following: device shown, opens fine. if…
Tango Developer
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How to create rosbag file using usb camera provide camera images as sensor_msgs/CompressedImage and odometry as nav_msgs/Odometry

Help me to create rosbag file using usb camera which provide camera images as sensor_msgs/CompressedImage and odometry as nav_msgs/Odometry.
Maher Abbas
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Is it possible to connect mobile with USB camera and Macbook/Windows at a same time to debug the Android Application?

I want to create an Android application where I can process the Images from a USB Camera and run ML detections on them. I have Pixel 2XL, Logitech C920, and Macbook Pro, which I want to connect at the same time, so I can debug the application…
Harshit Saxena
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Verifying that an org.WebRTC VideoFrame or NV21Buffer contain a valid (not corrupted) picture

I call the following method to stream frames from a USB Camera to org.WebRTC's Video Capture Observer. It works fine, except for some corrupted frames (green, or distorted grey frames) that appear every couple of seconds in the remote peer's video…
WM1982
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USB camera live Streaming over RTMP having issue in android

I am using https://github.com/saki4510t/UVCCamera library to preview USB camera to texture view and for streaming, I am using https://github.com/pedroSG94/rtmp-rtsp-stream-client-java library. I have used the RtmpCamera2 class for streaming and…
P. Patel
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Select usb camera in cv2 in python

I would like to access my web camera on my python program using cv2 library. I can see and use my camera in any mac program (photobooh, facetime,..) as well as skype,... But if I try to access it in python I can't: cap =…
Marko Zadravec
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Brightness, Contrast, etc capabilities not supported under Windows 10 UWP MediaDeviceControl.Capabilities

I am trying to add Brightness, Contrast, etc support to a USB WebCam application I am creating for Windows 10 UWP in C#. I am using three different USB cameras including a Logitech LogiCam. What I'm discovering is Brightness, Contrast, even…
twoputt
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how to set interval-intraframes with omxh264enc element in gstreamer on raspberry pi

I am using the omxh264enc to encode USB camera source on raspberry pi and stream the video, I would like to control the keyframe interval, but could not figure out how to, I currently using the following bash script : gst-launch-1.0 v4l2src !…
Guy Falach
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Linux, wierd issues with camera on Debian system

So, I made some high speed opencv camera detection code, got it running on my debian labtop, and bought some 720p60 chinese usb cam. All worked well. However I wanted to make it run on my TinkerBoard S (tinkerOS - debian). Here the camera simply…
Zvonko Bednarcik
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Capturing two cameras at the same time using AForge library and VB.NET library

I need to process two USB webcams using VB.NET. I used AForge library for this. The problem is that just event handler of camera2 is triggered. How can I activate both cameras? Dim camera1 Dim camera2 Private Sub Form1_Load(sender As Object, e As…
rostamiani
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gst launch window results in black screen

I want to stream a video over a network using UDP sink and src elements . I am using the following: i.MX6Dual Processor as server x86 System as receiver with Ubuntu 18 UVC Camera connected to i.MX6Dual Processor When i run the gst pipeline, gst…
Virti Choksi
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How can I implement Camera2 API for external usb camera?

I am trying to create an application for tablet which uses external camera. It should capture and re-capture image as well as save image. I tried implementing third party libraries like libuvccamera but it is not detecting any camera. Which other…
Roshni Patel
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USB Camera is not detected by OpenCV Python

I am working on a project that has to detect a USB camera (CM3-U3-13S2C-CS a 1.3 Megapixel USB 3.0 camera), opencv failed to detect the id of the camera I have tried the code below to display the IDS of available cameras but all that openCV detects…
Asky
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