Paint by Rumbas

| INPUT: Photos courtesy of Horace IP, Young Hay, and Alex Tang Interpretive Dance: BodyBrush 3-D animation software translates movement into shapes and colors on the fly.

OUTPUT: Photos courtesy of Horace IP, Young Hay, and Alex Tang Photos courtesy of Horace IP, Young Hay, and Alex Tang The finished work is refined and projected onto a 15-foot screen.

<p>MJackson Pollock's action painting with the arcade action of Dance Dance Revolution and what do you get? Body Brush, an interactive tool that can render anyone's movements into a masterpiece. Engineered by three multimedia masters at City University of Hong Kong, Body Brush is on display July 27-31 at the Siggraph computer graphics conference in San Diego. To paint, step onto a square stage that serves as your virtual canvas; you choose a hue by where you enter the color spectrum. Walk, crawl, jump – wiggle any way you like – and an infrared motion-capture system records each move. Custom 3-D animation software interprets your body language as angles and colors, and projects the result onto a 15-foot screen in real time. You can further refine the piece on a nearby SGI Octane workstation – and put the perfect finishing touches on your own artistic movement.</p>

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