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You searched on: Author: geraldine cheok

Displaying records 51 to 60 of 84 records.
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51. Proceedings of the LADAR Calibration Facility Workshop, June 12-13, 2003
Series: NIST Interagency/Internal Report (NISTIR)
Published: 10/1/2003
Author: Geraldine S Cheok
Abstract: The use and scope of LADAR applications continues to expand as the technology matures, but standard protocols or procedures for calibrating and testing of LADARs have yet to be developed. While selections of LADAR instruments are generally based on ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860533

52. 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

53. Terrain Characterization from Ground-Based LADAR
Published: 9/16/2003
Authors: Christoph Johann Witzgall, Geraldine S Cheok, David E. Gilsinn
Abstract: Test runs of Army Research Laboratory s (ARL) autonomous vehicle (Experimental Unmanned Vehicle, XUV) were followed by the acquisition of high resolution scans of selected regions of the test course. These scans were used to i) determine terrain fea ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860510

54. Ground Truth and Benchmarks for Performance Evaluation
Published: 9/1/2003
Authors: A Takeucki, Michael O Shneier, Tsai Hong Hong, Tommy Chang, Christopher J. Scrapper Jr, Geraldine S Cheok
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=823479

55. Ground Truth and Benchmarks for Performance Evaluation
Published: 4/25/2003
Authors: A Takeuchi, Michael O Shneier, Tsai Hong Hong, Christopher J. Scrapper Jr, Geraldine S Cheok
Abstract: Progress in algorithm development and transfer of results to practical applications such as military robotics requires the setup of standard tasks, of standard qualitative and quantitative measurements for performance evaluation and validation. Altho ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=822594

56. A Repository of Sensor Data for Autonomous Driving Research
Published: 4/25/2003
Authors: Michael O Shneier, Tommy Chang, Tsai Hong Hong, Geraldine S Cheok, Harry A. Scott, Steven Legowik, Alan M. (Alan M.) Lytle
Abstract: We describe a project to collect and disseminate sensor data for autonomous mobility research. Our goals are to provide data of known accuracy and precision to researchers and developers to enable algorithms to be developed using realistically diffic ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=822472

57. Terrain Characterization from Ground-Based LADAR
Series: Journal of Research (NIST JRES)
Report Number: NIST
Published: 3/17/2003
Authors: Christoph Johann Witzgall, Geraldine S Cheok, David E. Gilsinn
Abstract: Test runs of Army Research Laboratory s (ARL) autonomous vehicle (Experimental Unmanned Vehicle, XUV) were followed by the acquisition of high resolution scans of selected regions of the test course. These scans were used to i) determine terrain ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=50710

58. Calibration Experiments of a Laser Scanner
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6922
Published: 9/1/2002
Authors: Geraldine S Cheok, Stefan D Leigh, Andrew L Rukhin
Abstract: The potential applications of laser scanners or LADARs (Laser Detection and Ranging) are numerous, and they cross several sectors of the industry construction, large-scale manufacturing, remote sensing, national defense. A LADAR is an instrument ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860455

59. Experiences with Point Cloud Registration
Published: 9/1/2002
Authors: Christoph Johann Witzgall, Geraldine S Cheok
Abstract: The development of LADAR (laser distance and ranging) technology to acquire 3D spatial data made it possible to create 3D models of complex objects. Because an unobstructed line-of-sight is required to capture a point on an object, an individual LAD ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860429

60. Reconstructing Images of Bar Codes for Construction Site Object Recognition
Published: 9/1/2002
Authors: David E. Gilsinn, Geraldine S Cheok, Dianne M O'Leary
Abstract: This paper discusses a general approach to reconstructing ground truth intensity images of bar codes that have been distorted by LADARoptics. The first part of this paper describes the experimental data collection of several bar code images along w ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=150859



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