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You searched on: Author: geraldine cheok

Displaying records 41 to 50 of 86 records.
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41. Status of the NIST 3D Imaging System Performance Evaluation Facility
Published: 1/1/2006
Authors: Geraldine S Cheok, Alan M. (Alan M.) Lytle, Kamel S Saidi
Abstract: This paper will present the status of the indoor artifact-based Performance Evaluation Facility at the National Institute of Standards and Technology (NIST) for 3D imaging systems. This facility will be used to develop test protocols and performance ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860649

42. Construction Object Identification from LADAR Scans: An Experimental Study Using I-Beams
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7286
Published: 12/15/2005
Authors: David E. Gilsinn, Geraldine S Cheok, Christoph Johann Witzgall, Alan M. (Alan M.) Lytle
Abstract: Laser Scanning devices (LADAR for Laser Detection and Ranging) are used in construction projects to capture as-built data. They can rapidly generate large unstructured point clouds. This study describes an experiment in which an I-beam on a concrete ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=50817

43. NIST LADAR Performance Evaluation Workshop, 2nd Proceedings. March 15-16, 2005.
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7266
Published: 12/1/2005
Author: Geraldine S Cheok
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=101053

44. NIST LADAR Performance Evaluation Workshop, 2nd Proceedings. March 15-16, 2005.
Published: 12/1/2005
Author: Geraldine S Cheok
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=101242

45. Proceedings of the 2nd NIST LADAR Performance Evaluation Workshop March 15 - 16, 2005
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7266
Published: 10/1/2005
Author: Geraldine S Cheok
Abstract: In recent years, there has been a rapid growth of LADAR (laser detection and ranging) applications and a growing number of LADARs that are commercially available. As a result, there is a corresponding need to evaluate these instruments. This need p ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860635

46. Standards Requirements for LADARs?
Published: 1/1/2005
Authors: Geraldine S Cheok, William C Stone, Alan M. (Alan M.) Lytle
Abstract: This paper presents a discussion of standards requirements for LADAR. Two specific questions are addressed: (1) is there a need for such standards and (2) what types of standards are required? LADAR standards development issues and current standard ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909347

47. Terrain Characterization for TRL-6 Evaluation of an Unmanned Ground Vehicle
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7186
Published: 12/31/2004
Authors: Michael O Shneier, Tsai Hong Hong, Tommy Chang, Harry A. Scott, Steven Legowik, Geraldine S Cheok, Charles Giauque
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=822605

48. Pose of I-Beams for Construction Site Automation
Published: 9/21/2004
Authors: David E. Gilsinn, Geraldine S Cheok, Alan M. (Alan M.) Lytle
Abstract: Automation of construction processes can result in reduced project costs and increased worker safety. A process that lends itself to automation is the picking and placing of objects. However, determining the pose (position and orientation) of an ob ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=150893

49. Triangular Meshing and Volume Determination
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7142
Published: 7/1/2004
Authors: Christoph Johann Witzgall, Geraldine S Cheok
Abstract: Parametric studies are reported for investigating the feasibility and accuracy of calculating volumes from LADAR scans of artifacts. The TIN (=Triangulated Irregular Network) technique was employed to construct surfaces on which the volume calculati ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860576

50. Performance Evaluation Facility for LADARs
Published: 4/12/2004
Authors: Geraldine S Cheok, William C Stone
Abstract: The use and scope of LADAR (laser detection and ranging) applications continues to expand as the technology matures. This growth is reflected in the National Institute of Standards and Technology s (NIST) experience with research into the applicatio ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860558



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