Track IR is a commercial version of this technology.
The Eye Toy for the Play Station 2, Play Station Eye for the Play Station 3, and the Xbox Live Vision camera and Kinect motion sensor for the Xbox 360 and are color digital cameras that have been used as control input devices by some games.
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.
Some of them, for example, those used as online traffic cameras, are expensive, rugged professional video cameras.
They have also become a source of security and privacy issues, as some built-in webcams can be remotely activated by spyware.
Unlike an IP camera (which connects using Ethernet or Wi-Fi), a webcam is generally connected by a USB cable, or similar cable, or built into computer hardware, such as laptops.
The term "webcam" (a clipped compound) may also be used in its original sense of a video camera connected to the Web continuously for an indefinite time, rather than for a particular session, generally supplying a view for anyone who visits its web page over the Internet.
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.