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Author: geraldine cheok
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Displaying records 51 to 60 of 82 records.
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51. 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

52. 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

53. 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

54. 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

55. 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

56. 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

57. 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

58. 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

59. Object Identification Using Bar Codes Based on LADAR Intensity
Published: 9/1/2001
Authors: William C Stone, Geraldine S Cheok, K M Furlani, David E. Gilsinn
Abstract: Tests of a novel concept for tracking construction components were carried out at the National Institute of Standards and Technology. The approach makes use of laser radar and retro-reflective barcodes attached to manufactured building materials. T ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860365

60. LADAR Sensing Applications for Construction
Series: OTHER
Published: 6/1/2001
Authors: Geraldine S Cheok, William C Stone
Abstract: One potential breakthrough technology that stands to revolutionize construction surveying and status monitoring is known as laser range imaging. The device used to obtain the field data is known as a LADAR (Laser Distance and Ranging). With LADAR i ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909353



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