Schematic of tall-post gantry
sketched by Marc Levoy
July 11, 1996 version
(not drawn to scale)
Degrees of freedom
- 360-degree roller bearing supporting a vertical post
- 360-degree axis with interchangeable arms for cameras
and opposing backdrops
- 360-degree axis with longer interchangeable arms for lights
- 360-degree axis supporting interchangeable
platforms for samples and objects
- 3-6 inches of X translation to adjust object center
- 3-6 inches of Y translation to adjust object center
(see note below on longer sweeps)
- 6-12 inches of Z translation to adjust object center
Other features
- A. Sample or object platform
- B. Video or range camera
- C. Optional backdrop for light fields and carving from silhouettes
- D. Light source (point, area, or collimated)
- E. Light post is attached to an optical bench, but is movable
- F. Object platform is permanently fixed
to the optical bench or the floor
- G. Roller bearing assembly is permanently
fixed to the optical bench
- H. Working volume
levoy@cs.stanford.edu
Copyright © 1996 Marc Levoy
Last update:
Monday, 26-Apr-2004 18:24:35 PDT