Any webcam can be programmed to receive data ranging from simple images, and motion detection, to receiving infrared signals. The data can be reinterpreted by a computer to produce an effect aside from the typical viewing of an image on a digital screen. The following examples look at using a webcam to control external responses that are an extension of the obvious capabilities of the camera.
Using Processing software with JMyron WebCamExtra open source programming, new functions and unique outputs can be produced via a webcam including motion detection, color tracking, glob distinction, and pixel addressing.
http://webcamxtra.sourceforge.net/ - JMyron home page including open source downloads and tutorials.
Myron is the cross-platform, cross-language, open source, video capture and computer vision plugin. One core C++ object gets cross-compiled as a handful of high level language "wrapper" libraries. The wrapper for Java and Processing is called JMyron. The wrapper for Macromedia Director is called WebCamXtra. The aim of the project is to keep computer vision free and easy for the new media education and arts community.
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