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Topic Area: Metrology

Displaying records 61 to 70 of 855 records.
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61. Maintainers Manual for Version 2.2.1 of the NIST DMIS Test Suite
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7720
Topic: Metrology
Published: 10/25/2010
Authors: Thomas Rollin Kramer, John A Horst
Abstract: This manual is a maintainers manual for the NIST DMIS Test Suite, version 2.2.1. DMIS (Dimensional Measuring Interface Standard) is a language for writing programs for coordinate measuring machines and other dimensional measurement equipment. The ma ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905759

62. Performance Assessment of Face Recognition Using Super-Resolution
Topic: Metrology
Published: 10/25/2010
Authors: Shuowen Hu, Robert Maschal, S. Susan Young, Tsai Hong Hong, P Jonathon Phillips
Abstract: Recognition rate of face recognition algorithms is dependent on the resolution of the imagery, specifically the number of pixels contained within the face. Using a sequence of frames from low-resolution videos, super-resolution reconstruction can fo ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906932

63. System Builders Manual for Version 2.2.1 of the NIST DMIS Test Suite
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7715
Topic: Metrology
Published: 10/25/2010
Authors: Thomas Rollin Kramer, John A Horst
Abstract: This manual is a system builders manual for the NIST DMIS Test Suite, version 2.2.1. DMIS (Dimensional Measuring Interface Standard) is a language for writing programs for coordinate measuring machines and other dimensional measurement equipment. Th ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905758

64. Users Manual for Version 2.2.1 of the NIST DMIS Test Suite
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7735
Topic: Metrology
Published: 10/25/2010
Authors: Thomas Rollin Kramer, John A Horst
Abstract: This manual is a users manual for the NIST DMIS Test Suite, version 2.2.1. DMIS (Dimensional Measuring Interface Standard) is a language for writing programs for coordinate measuring machines and other dimensional measurement equipment. The manual d ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905756

65. Accurate Measurements of Process Gas Flow with Laminar Flow Meters
Topic: Metrology
Published: 10/15/2010
Authors: Thiago Cobu, Robert F Berg, John D Wright, Michael R Moldover
Abstract: We calibrated three models of commercially-manufactured, laminar flow meters (LFMs) with nitrogen at four pressures (100 kPa, 200 kPa, 300 kPa, and 400 kPa) over a 10:1 flow range using NIST‰s primary flow standards and a physical model. Without addi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906313

66. Description and Uncertainty Analysis of NIST‰s 20 Liter Hydrocarbon Liquid Flow Standard (20 L HLFS)
Topic: Metrology
Published: 10/15/2010
Authors: Aaron N Johnson, Christopher J. Crowley, Tsyh Tyan Yeh
Abstract: The National Institute of Standards and Technology (NIST) uses a bi-directional piston prover as its primary standard for measuring hydrocarbon liquid flows ranging from 1.86 × 10-5 m3/s (0.3 gpm) to 2.6 × 10-3 m3/s (40 gpm). An uncertainty analysis ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906350

67. Methodology for evaluating Static six-degree-of-freedom (6DoF) Perception Systems
Topic: Metrology
Published: 10/15/2010
Authors: Tommy Chang, Tsai Hong Hong, Joseph A Falco, Michael O Shneier, Milli Shah, Roger D Eastman
Abstract: In this paper, we apply two fundamental approaches toward evaluating a static, vision based, six-degree-of-freedom (6DoF) pose determination system that measures the position and orientation of a part. The first approach uses ground\-truth carefully ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906660

68. Properties for Accurate Gas Flow Measurements
Topic: Metrology
Published: 10/15/2010
Author: John D Wright
Abstract: Accurate gas properties are needed to take full advantage of the low uncertainties provided by NIST‰s Gas Flow Calibration Services. If a flowmeter user and NIST use different values for these properties (molecular mass, compressibility, density, vis ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905976

69. Embedded Capacitive Displacement Sensor for Nanopositioning Applications
Topic: Metrology
Published: 8/17/2010
Authors: Svetlana Avramov-Zamurovic1, Nicholas G Dagalakis, Rae Duk Lee, Yong Sik Kim, Jae M. Yoo, Seung Ho Yang
Abstract: The scale of nano objects requires very precise position determination. The state-of-the-art manipulators involve accurate nanometer positioning. This paper presents the design of a capacitive displacement sensor for a nanopositioning application. Th ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906019

70. Choosing test positions for laser tracker evaluation and future Standards development
Topic: Metrology
Published: 7/15/2010
Authors: Balasubramanian Muralikrishnan, Daniel S Sawyer, Christopher J Blackburn, Steven David Phillips, Craig M Shakarji, Ed Morse, Robert Bridges
Abstract: A working group within the ISO TC 213 committee is developing a draft document [11] for evaluating the performance of laser trackers. The ASME B89.4.19 Standard [1] and the draft VDI/VDE 2617 part 10 [2] describe some useful tests that are incorporat ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905959



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