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The Wii Remote contains an image sensor with a resolution of 1024×768 pixels.As the bayer filter is proprietary, any webcam contains some built-in image processing, separate from compression.Webcams are known for their low manufacturing cost and their high flexibility, making them the lowest-cost form of videotelephony.As webcams evolved simultaneously with display technologies, USB interface speeds and broadband internet speeds, the resolution went up from gradually 320×240, to 640×480, and some even offering 1280×720 (aka 720p) or 1920×1080 (aka 1080p) resolution.

One could use Guvcview or GStreamer and GStreamer-based software to handle the UVC stream.Digital video streams are represented by huge amounts of data, burdening its transmission (from the image sensor, where the data is continuously created) and storage alike.Most if not all cheap webcams come with built-it ASIC to do video compression in real-time.As a camera system's depth of field is greater for small image formats and is greater for lenses with a large f-number (small aperture), the systems used in webcams have a sufficiently large depth of field that the use of a fixed-focus lens does not impact image sharpness to a great extent.Most models use simple, focal-free optics (fixed focus, factory-set for the usual distance from the monitor to which it is fastened to the user) or manual focus.

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