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Author: geraldine cheok
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Displaying records 61 to 70 of 82 records.
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61. Recovering Spheres from 3D Point Data
Published: 4/1/2006
Authors: Christoph Johann Witzgall, Geraldine S Cheok, Anthony J Kearsley
Abstract: The National Institute of Standards and Technology is involved in developing standard protocols for the performance evaluation of 3D imaging systems, which include laser scanners and LADARs (LAser Detection and Ranging). A LADAR is an optical device ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=50949

62. Registering 3D Point Clouds: An Experimental Evaluation
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6743
Published: 5/1/2001
Authors: Christoph Johann Witzgall, Geraldine S Cheok
Abstract: Four separate laser scans of a wooden box, taken from different vantage points, were examined in a laboratory setting. Visual and numerical registration methods, aimed at aligning the individual scan data with respect to a common frame, were explore ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860351

63. Safe Control of Manufacturing Vehicles Research Towards Standard Test Methods
Published: 6/28/2012
Authors: Roger V Bostelman, William P Shackleford, Geraldine S Cheok, Kamel Shawki Saidi
Abstract: The National Institute of Standards and Technology's Intelligent Systems Division has been researching several areas leading to safe control of manufacturing vehicles to improve AGV safety standards. The research areas include: - Automated guided ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911407

64. Seismic Performance of Masonry Walls With Bed Joint Reinforcement
Published: 7/1/1998
Authors: A E Schultz, R S Hutchinson, Geraldine S Cheok
Abstract: In-plane cyclic load tests of partially grouted concrete masonry shear walls with bed joint reinforcement are presented. Specimen design and construction, and simulated seismic testing procedures, are summarized. Lateral force resistance mechanisms a ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860131

65. Simplified Design Procedure for Hybrid Precast Concrete Connections
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 5765
Published: 2/1/1996
Authors: Geraldine S Cheok, William C Stone, S. D. Nakaki
Abstract: A rational design procedure is presented to compute the probable moment, the nominal moment, and the story drift capacities of a hybrid precast moment-resisting beam-to-column connection. The hybrid connections consist of mild steel which is used to ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909473

66. Some Issues Relating to Performance Evaluation of LADARs
Published: 9/16/2003
Authors: Geraldine S Cheok, William C Stone, Christoph Johann Witzgall
Abstract: The use and scope of LADAR applications continues to expand as the technology matures. This growth is reflected in NIST's experience with research into the applications of LADARs for construction, manufacturing, and autonomous vehicle navigation. How ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909352

67. Standard Test Procedures and Metrics Development for Automated Guided Vehicle Safety Standards
Published: 5/23/2012
Authors: Roger V Bostelman, William P Shackleford, Geraldine S Cheok, Richard J Norcross
Abstract: The National Institute of Standards and Technology's Intelligent Systems Division has been researching automated guided vehicle (AGV) control based on advanced two-dimensional (2D) imaging sensors that detect dynamic, standard test pieces represent ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910774

68. 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

69. Status of the NIST 3D Imaging System Performance Evaluation Facility
Published: 1/1/2006
Authors: Geraldine S Cheok, Alan M. (Alan M.) Lytle, Kamel Shawki 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

70. Summary of NIST s Efforts to Develop Protocols for the Performance Evaluation of 3D Imaging Systems
Published: Date unknown
Authors: Geraldine S Cheok, Alan M. (Alan M.) Lytle, Kamel Shawki Saidi
Abstract: A synopsis of the effort at the National Institute of Standards and Technology (NIST) to develop standard protocols for the performance evaluation of 3D Imaging Systems is presented. A 3D imaging system is an instrument that is used to rapidly measu ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860668



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