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developerWorks: Create Your Own Real-Time Visual Effects

Jan 18, 2006, 08:00 (0 Talkback[s])
(Other stories by Nathan Harrington)

"Real-time video effects processing is becoming more common throughout major sporting events. NASCAR, the NFL, professional hockey, and other sports apply real-time video effects, such as the colored first-down line in football, based on precise geospatial data. Advanced user interfaces and immersive environments employ specialized input hardware to specify coordinates in a 3-D world with six degrees of freedom. These technologies all require investment in expensive hardware and custom data acquisition packages. You can build your own system for real-time video effects processing based on simple motion tracking and existing open source software.

"EffecTV is a fantastic application written by Fukuchi Kentaro that gives you access to the raw pixel data from a video capture device. You can use its existing open source framework to modify more than two dozen effects, or add your own. With the integration of the SDL libraries, the EffecTV framework makes it easy to add your own effects with more abstracted interfaces, making them easier to create and integrate with existing code..."

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