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Video4Linux (V4L for short) is a collection of device drivers and an API for supporting realtime video capture on Linux systems. [1] It supports USB webcams, TV tuners, CSI cameras, and related devices, standardizing their output, so programmers can easily add video support to their applications.
OpenCV (Open Source Computer Vision Library) is a library of programming functions mainly for real-time computer vision. [2] Originally developed by Intel, it was later supported by Willow Garage, then Itseez (which was later acquired by Intel [3]). The library is cross-platform and licensed as free and open-source software under Apache License ...
The USB video device class (also USB video class or UVC) is a USB device class that describes devices capable of streaming video like webcams, digital camcorders, transcoders, analog video converters and still-image cameras.
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A DataPath VisionRGB-E2s expansion card with two frame grabbers. A frame grabber is an electronic device that captures (i.e., "grabs") individual, digital still frames from an analog video signal or a digital video stream.
Matrox Graphics is the primary consumer and end-user brand, while Matrox Video markets digital video editing solutions, and Matrox Imaging sells high-end video capture systems and "smart cameras", video cameras with a built-in computer for machine vision applications. 2016, Matrox introduced the C-series of graphics cards based on GPUs from AMD.
Cheese is the former default webcam application [2] for the GNOME desktop, i.e. an application to handle UVC streams over Video4Linux. It was developed as a Google Summer of Code 2007 project by Daniel G. Siegel. It uses GStreamer to apply effects to photos and videos. [3] It can export to Flickr and is integrated into GNOME. [4]
It can also capture and encode in real-time from various hardware and software sources [35] such as a TV capture card. ffplay is a simple media player utilizing SDL and the FFmpeg libraries. ffprobe is a command-line tool to display media information (text, CSV, XML, JSON), see also MediaInfo.
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