Some of them, for example, those used as online traffic cameras, are expensive, rugged professional video cameras.making them the lowest-cost form of videotelephony.
The most popular use of webcams is the establishment of video links, permitting computers to act as bs 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.
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