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A webcam is a video camera which is designed to record or stream to a computer or computer network. They are primarily used in video telephony , live streaming and social media , and security . Webcams can be built-in computer hardware or peripheral devices , and are commonly connected to a device using USB or wireless protocol .
The first centralized IP camera, the AXIS Neteye 200, was released in 1996 by Axis Communications. [3] Although the product was advertised to be accessible from anywhere with an internet connection, [4] the camera was not capable of streaming real-time video, and was limited to returning a single image for each request in the Common Intermediate Format (CIF).
The most commonly used such protocol is Internet Protocol (IP), defined by RFC 791. This imposes its own overheads. This imposes its own overheads. Again, few systems simply copy the contents of files into IP packets, but use yet another protocol that manages the connection between two systems — TCP ( Transmission Control Protocol ), defined ...
IP65 touchscreen display IP65 LED lamp. The IP code or ingress protection code indicates how well a device is protected against water and dust. It is defined by the International Electrotechnical Commission (IEC) under the international standard IEC 60529 [1] which classifies and provides a guideline to the degree of protection provided by mechanical casings and electrical enclosures against ...
Analyzer is a suite of software tools published by DXOMARK, that includes test targets and test equipment. It is used by camera companies, as well as press publications and websites; [34] to test sensors, lenses, and standalone cameras, as well as mobile devices with cameras. Testing can be performed on both RAW and JPEG images, as
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Simple NVR-based camera system. A network video recorder (NVR) is a specialized computer system that records video [1] to a disk drive, USB flash drive, memory card, or other mass storage device. An NVR itself contains no cameras, but connects to them through a network, typically as part of an IP video surveillance system.