3D Painting on Scanned Surfaces

Maneesh Agrawala, Andrew C. Beers, and Marc Levoy,
Proc. 1995 Symposium on Interactive 3D graphics (Monterey, California, April 9-12, 1995).

Abstract:

We present an intuitive interface for painting on unparameterized three-dimensional polygon meshes using a 6D Polhemus space tracker as an input device. Given a physical object we first acquire its surface geometry using a Cyberware scanner. We then treat the sensor of the space tracker as a paintbrush. As we move the sensor over the surface of the physical object we color the corresponding locations on the scanned mesh. The physical object provides a natural force-feedback guide for painting on the mesh, making it intuitive and easy to accurately place color on the mesh.

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TIFF image of Figure 1 (7K bytes)
3D Painting system configuration
TIFF image of Figure 2 (9K bytes)
Registration of sensor samples to mesh
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Applying paint in the brush volume
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Two methods of applying paint within a spherical brush volume
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Mesh geometries which cause problems for our painting algorithm
TIFF image of Color Plate 1 (413K bytes)
A photograph of the rabbit from which the bunny mesh was created
TIFF image of Color Plate 2 (87K bytes)
The bunny mesh and registration points, shown as purple croses
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The bunny mesh texture-mapped with 2D and 3D textures
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A painted bunny mesh
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Finer detail painted on part of the bunny mesh
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The wolf-head mesh texture-mapped with a tatoo
TIFF image of Color Plate 7 (198K bytes)
The wolf-head mesh with bumps painted with a displacement brush
TIFF image of Color Plate 8 (152K bytes)
A painted wolf-head mesh

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