Claims
- 1. A method of scanning an artifact comprising:
obtaining color image data for the artifact using conventional imagery; obtaining gross shape data for the artifact using a three-dimensional scanning technique; determining areas on the artifact that need to be scanned in a higher resolution; and obtaining high resolution shape data for the areas on the artifact determined to need higher resolution using an amplitude modulated laser scanning technique.
- 2. The method of claim 1 further comprising combining the color image data, gross shape data, and high resolution shape data into a single image file representative of the artifact.
- 3. The method of claim 1 wherein obtaining gross shape data for the artifact using a three-dimensional scanning technique is achieved using a photometric stereo scanning technique.
- 4. The method of claim 1 wherein obtaining gross shape data for the artifact using a three-dimensional scanning technique is achieved using a structured light scanning technique.
- 5. The method of claim 1 wherein obtaining high resolution shape data for the artifact using amplitude modulated laser scanning technique is achieved by a galvanometer based system.
- 6. The method of claim 1 wherein obtaining high resolution shape data for the artifact using amplitude modulated laser scanning technique is achieved by an acousto-optic Bragg cell system.
- 7. A system for scanning an artifact comprising:
a software controlled processor for operating the scanning system; a CCD coupled with the processor for obtaining color image data; gross shape data; and high resolution shape data for the artifact; at least one color illumination projector coupled with the processor for illuminating the artifact with colored light; at least one pattern illumination projector coupled with the processor for illuminating the artifact with light for obtaining gross shape data for the artifact using a three-dimensional scanning technique; an amplitude modulated laser scanning device coupled with the processor for obtaining high resolution shape data for the areas on the artifact determined to need higher resolution; and optical lenses for focusing a range scanning beam emitted from the amplitude modulated laser scanning device onto the artifact.
- 8. The system of claim 7 wherein the processor combines the color image data, gross shape data, and high resolution shape data into a single image file representative of the artifact.
- 9. The system of claim 7 wherein the gross shape data for the artifact is obtained using a photometric stereo three-dimensional scanning technique.
- 10. The system of claim 7 wherein the gross shape data for the artifact is obtained using a structured light three-dimensional scanning technique.
- 11. The system of claim 7 wherein the high resolution shape data for the artifact is obtained using a galvanomter based amplitude modulated laser scanning technique.
- 12. The system of claim 7 wherein the high resolution shape data for the artifact is obtained using an acousto-optic Bragg cell amplitude modulated laser scanning technique.
- 13. A system for scanning an artifact comprising:
means for obtaining color image data for the artifact using conventional imagery; means for obtaining gross shape data for the artifact using a three-dimensional scanning technique; means for determining areas on the artifact that need to be scanned in a higher resolution; and means for obtaining high resolution shape data for the areas on the artifact determined to need higher resolution using an amplitude modulated laser scanning technique.
- 14. The system of claim 13 further comprising means for combining the color image data, gross shape data, and high resolution shape data into a single image file representative of the artifact.
- 15. The system of claim 13 wherein the means for obtaining gross shape data for the artifact using a three-dimensional scanning technique is achieved using a photometric stereo scanning technique.
- 16. The system of claim 13 wherein the means for obtaining gross shape data for the artifact using a three-dimensional scanning technique is achieved using a structured light scanning technique.
- 17. The system of claim 13 wherein the means for obtaining high resolution shape data for the artifact using amplitude modulated laser scanning technique is achieved by a galvanometer based system.
- 18. The system of claim 13 wherein the means for obtaining high resolution shape data for the artifact using amplitude modulated laser scanning technique is achieved by an acousto-optic Bragg cell system.
CROSS REFERENCE TO RELATED APPLICATIONS
[0001] This application is related to and claims the benefit of U.S. Provisional Patent Application Serial No. 60/398,709, filed Jul. 25, 2002 entitled “Three-Dimensional Scanner for Archeological Artifacts”.
Provisional Applications (1)
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Number |
Date |
Country |
|
60398709 |
Jul 2002 |
US |