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13-Oct-2018 22:19

A webcam is a video camera that feeds or streams its image in real time to or through a computer to a computer network.When "captured" by the computer, the video stream may be saved, viewed or sent on to other networks via systems such as the internet, and emailed as an attachment.

The most popular use of webcams is the establishment of video links, permitting computers to act as videophones or videoconference stations.Other popular uses include security surveillance, computer vision, video broadcasting, and for recording social videos.The video streams provided by webcams can be used for a number of purposes, each using appropriate software: Most modern webcams are capable of capturing arterial pulse rate by the use of a simple algorithmic trick.Researchers claim that this method is accurate to ±5 bpm.

Webcams may be installed at places such as childcare centres, offices, shops and private areas to monitor security and general activity.Webcams have been used for augmented reality experiences online.One such function has the webcam act as a "magic mirror" to allow an online shopper to view a virtual item on themselves.The Webcam Social Shopper is one example of software that utilizes the webcam in this manner.