Digital
Body Brush is a real-time body-driven immersive experience. It captures spatial human motion data and transforms it into a rich variety of 3D visual forms that are visualized through a stereo projector and has 3D sound.
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INTERFACIAL PROCESS
Digital
B O DY B R U S H
N° 274100 - 001
I N T E R A C T I V E D I G I TA L B O D Y P A I N T I N G
Body Brush is a real-time body-driven immersive experience. It captures spatial human motion data and transforms it into a rich variety of 3D visual forms that are visualized through a stereo projector and has 3D sound. The Body Brush process is achieved with the development of a low-cost computer-vision–based motion analysis system using frontal infrared illumination in addition to an innovative graphic rendering software, which translates anatomical gestures into 3D digital pathways. Professional visual artists can use this intuitive interface to create rich 2D, 3D, or animated visual artwork. Since the tracking system can be easily adapted to stage lighting, stage setup, and costumes, the Body Brush interface can augment live performances with real-time interaction between dancers or actors, the audiovisual output, and the machine. Research is also currently being conducted to transform the Body Brush interface into a semi-immersive virtual environment with body-driven audiovisual feedback for therapeutic applications. CONTENTS
A P P L I C AT I O N S
C O N TA C T
SGI Octane 2, Octane 1, IR Lights, Sony CCTV Cameras, Barco Projector SIM 6, Apple MAC G4, Sound Module, 5.1 Speaker, Black Drape
Digital painting and sculpting, augmented theatrical stage, therapy, education
IMVR Lab, City University of Hong Kong 83 Tat Chee Avenue Kowloon Hong Kong, China Tel: +852 2788 8580 www.cs.cityu.edu. hk/~bodybrush
TYPES / SIZES
Screen size: 29.5 × 29.5 × 39.4' (9 × 9 × 12 m) L I M I TAT I O N S
Not for exterior use
T R A N S M AT E R I A L
218
CART
A P R O C E S S T H AT C R E AT E S 3 D I M A G E R Y O F T H E G R O U N D S U B S U R FA C E
The lack of accurate infrastructure mapping has resulted in the loss of billions of dollars annually, in addition to needless physical harm. Infrastructure documentation is notoriously inadequate, and accidents often occur when workers cut lines without being aware of their existence (gas, sewer, steam, electricity, etc.). Designed by Alan Witten, Computer Assisted Radar Tomography (CART) is intended to solve these problems by making the invisible visible. CART is a patented combination of hardware and software that creates spatially accurate, high-resolution 3D imagery of the shallow subsurface from zero to ten feet below grade. Computer video files are created using a rapid-fire ground-penetrating radar antenna, a survey-grade robotic laser tracking system, and patented image-processing software. In these files, utility infrastructure and other subsurface features can be seen and may be extracted and rendered in CAD or GIS.
CONTENTS
E N V I R O N M E N TA L
L I M I TAT I O N S
Hardware, software
Reduces risk, cost, damage, service interruptions, loss of life, etc. normally associated with lack of adequate and/or accurate subsurface characterization
Not applicable in areas with highly-conductive soils (e.g. Great Salt Lake area) or limited depth o
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