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Author: xiaoyu zheng
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21. Surface Topography Analysis for a Feasibility Assessment of a National Ballistics Imaging Database
NIST Interagency/Internal Report (NISTIR)
Theodore Vincent Vorburger, James H Yen, B Bachrach, Thomas B Renegar, Li Ma, Hyug-Gyo Rhee, Xiaoyu A Zheng, Jun-Feng Song, Charles Dewey Foreman
This document reports on a study to determine the feasibility and utility of a national ballistics
database of casing and bullet images. The purpose of such a proposed database would be to
provide a reference collection of ballistic images against ...
22. Comparison of Optical and Stylus Methods for Measurement of Rough Surfaces
Theodore Vincent Vorburger, H G Rhee, Thomas B Renegar, Jun-Feng Song, Xiaoyu A Zheng
Abstract Optical methods are increasingly used for measurement of surface texture, particularly for areal measurements where the optical methods are generally faster. A new Working Group under Technical Committee (TC) 213 in the International Organiz ...
23. Correlation of Topography Measurements of NIST SRM 2460 Standard Bullets by Four Techniques
Jun-Feng Song, Theodore Vincent Vorburger, Thomas B Renegar, Xiaoyu A Zheng, Hyug-Gyo Rhee, John M Libert, Li Ma, K Bogart, Susan M Ballou, B Bachrach
Three optical instruments including an interferometric microscope, a Nipkow disk confocal microscope and a laser scanning confocal microscope are used for the measurements of bullet profile signatures of a National Institute of Standards and Technolo ...