Questions tagged [usb-camera]
The usb-camera tag has no usage guidance.
usb-camera
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AndroidUsbCamera_not_working
Is there any official Android library to access an external USB camera?
I have gone through all the Android camera samples, but I couldn't get my external USB camera to be detected or listed with the ...
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How to get and set Analogue Gain of USB Web Camera
Details:
I have been trying to fix the light exposure of my USB Web Camera (ELP-USB8MP02G-L75).
Through opencv I was able to deactivate auto-exposure (cv::CAP_PROP_AUTO_EXPOSURE) and set the exposure (...
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Nikon Camera Not Storing Image on SD Card When Captured via USB in Android App
I am using the remoteyourcam-usb project to control a Nikon camera via USB from an Android app. I have implemented a custom command (NikonEventCheckCommand) to handle events when the camera shutter ...
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HTC VIVE VR frontal camera not working with opencv-python
I am using opencv-python 4.9.0
python 3.9
windows 10
I am trying to use HTC VIVE VR (disable direct mode) to run some experiments and everything worked fine before, but suddenly showed the following ...
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Long initialization of USB camera when using Camera X
I'm making an application for processing frames on orange pi5 from a USB camera using camera and encountered a problem with long initialization during cold start.
Here is my code for Camera init:
...
- 11
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using gst-launch-1.0 to record audio to an audio file from any pipewiresrc input
I'm trying to record my camera's audio into an audio file, i tired wav or mp3 with lame and twolame but the results are the same, so lets stick to wav file for now.
I'm on gentoo linux with kernel 6.7....
- 31.7k
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How to grab/capture images from usb camera with OpenCV using EmguCV at high FPS?
I have this usb camera. I want to cature video at a high framerate. The manufacturer states that the camera is able to do 180 FSP @ resolution 640x480. I did check this and the camera indeed works (...
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Difficulty achieving parallelization when creating video streams from multiple USB cameras in JavaScript
I am trying to capture images from six USB cameras using JavaScript (chrome , windows). I have implemented three functions: one to retrieve the list of connected cameras, another to initialize video ...
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USB camera on .net maui camera.maui
does anyone have any idea how could i connect to usb camera on android using .net maui framework. I did tried camera.maui and i can not see it in the id list... I only get the front and a back camera. ...
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Opencv videocapture can not open 4 cameras simultaneously
I have four usb camers mounted via usb hub. they are video4,video6,video8 and video10. When I open the camera one by one, they works fine.
When I open three cameras together, they still works fine.
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Trouble Setting Exposure/Gain with Emgu.CV (or OpenCV) with Scientific Camera
OS: Windows 2008 R2
Camera Model: Sony 20 MP IMX Camera
Emgu.CV version: 3.1.0.1
.NET Framework version: 4.7.2
I'm encountering an issue where, after changing the exposure of an nncam camera using ...
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547
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USB Camera doesn't work with opencv and raspberry pi
I can't get opencv to detect my USB camera. The system seem to detect and even take photos when I use other tools, but with opencv it is not working.
When i list the usb devices:
lsusb
Bus 002 Device ...
- 1
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375
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Problems with USB camera in android that dont work
I bought a little usb camera for mlkit but the android see her as usb device and not as usb camera. The strange things is that the apps in Play Store for USB Camera works all. Before to start to learn ...
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CameraAccessException: CAMERA_ERROR (3): Error configuring streams: Function not implemented (-38)
I downloaded the repo for CAMERA2: https://github.com/googlearchive/android-Camera2Basic/tree/master but when I run the app and clicks on any of the available cameras, the following error appears
...
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Can't connect to USB camera device on a RaspberryPi4 using OpenCV2 if I startup the Pi without the cam attached first
I'm having trouble with an app I'm writing for a monitoring device. I've got a RaspberryPi4 that runs a python script with three threads. One of these threads manages a camera for recording video. ...
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