Questions tagged [usb-camera]
37 questions
0
votes
1 answer
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…
![](../../users/profiles/3258488.webp)
twoputt
- 53
- 6
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1 answer
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 !…
![](../../users/profiles/5168377.webp)
Guy Falach
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- 1
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2 answers
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…
![](../../users/profiles/7699571.webp)
Zvonko Bednarcik
- 25
- 4
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0 answers
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…
![](../../users/profiles/2085899.webp)
rostamiani
- 1,569
- 4
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1 answer
Save camera image to dynamic file name in Node-Red
I have a usb cam that take a picture from a node. But I want every image taken saved in different filename so that I can use all of images saved (not overwritten).
So my question is, how to make the file named from a function node that give an…
![](../../users/profiles/2459760.webp)
Rhizudeen
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- 11
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0 answers
uvcvideo select timeout error modprobe unload
I get select timeout whenever I try to run a usb camera for ros usb camera node or object detection in opencv. I quick fix which worked for me was to use rmmod uvcvideo && modprobe uvcvideo quirks=128 nodrop=1 timeout=6000. I added the lines to…
![](../../users/profiles/11083550.webp)
Mahadev Hansda
- 19
- 4
-1
votes
1 answer
Unable to detect usb camera
I am trying to use 5 usb cameras on ubuntu 18.04.1 LTS in python using opencv.
Individually they all work fine, but as I connect them all together the following happens:
Mostly all cameras are successfully detected in start and are listed in lsusb…