Free Track is a free webcam motion-tracking application for Microsoft Windows that can track a special head-mounted model in up to six degrees of freedom and output data to mouse, keyboard, joystick and Free Track-supported games.
By removing the IR filter of the webcam, IR LEDs can be used, which has the advantage of being invisible to the naked eye, removing a distraction from the user.
Some of them, for example, those used as online traffic cameras, are expensive, rugged professional video cameras.
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Mostly, these are manual-focus cameras and contain an old CCD array instead of comparatively newer CMOS array.
The lenses of the cameras are removed and then these are attached to telescopes to record images, video, still, or both.
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.
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.
When sent to a remote location, the video stream may be saved, viewed or on sent there.
Special software can use the video stream from a webcam to assist or enhance a user's control of applications and games.
Video features, including faces, shapes, models and colors can be observed and tracked to produce a corresponding form of control.
Webcams may be installed at places such as childcare centres, offices, shops and private areas to monitor security and general activity.