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1. Analysis of the Boundary Conditions of the Spline Filter
Published: 7/21/2015
Authors: Mingsi Tong, Hao Zhang, Daniel B Ott, Xuezeng Zhao, Jun-Feng Song
Abstract: The spline filter is a standard linear profile filter recommended by ISO/TS 16610-22 (2006). The primary advantage of the spline filter is that no end-effects occur as a result of the filter. The ISO standard also provides the tension parameter & ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=918611

2. A simple and fast spline filtering algorithm for surface metrology
Published: 7/14/2015
Authors: Hao Zhang, Daniel B Ott, Jun-Feng Song, Mingsi Tong, Wei Chu
Abstract: The spline filters and the corresponding robust filters are commonly used filters recommended in ISO standards for surface evaluation. Generally, these linear and non-linear spline filters, composed of symmetric, positive-definite matrices, are a ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=918312

3. An Improved Algorithm of Congruent Matching Cells (CMC) Method for Firearm Evidence Identifications
Published: 4/29/2015
Authors: Mingsi Tong, Jun-Feng Song, Wei Chu
Abstract: The Congruent Matching Cells (CMC) method was invented at the National Institute of Standards and Technology (NIST) for firearm evidence identifications. The CMC method divides the entire image into small correlation cells and uses three sets of fo ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=917557

4. The Second National Ballistics Imaging Comparison (NBIC-2)
Series: Journal of Research (NIST JRES)
Published: 1/5/2015
Authors: Theodore Vincent Vorburger, James H Yen, Jun-Feng Song, Robert Meryln Thompson, Thomas B Renegar, Xiaoyu A Zheng, Mingsi Tong, Martin G Ols
Abstract: In response to the guidelines issued by the American Society of Crime Laboratory Directors/Laboratory Accreditation Board (ASCLD/LAB-International) to establish traceability and quality assurance in U.S. crime laboratories, NIST and the ATF initiated ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=916335

5. Fire Cartridge Case Identifications Using Optical Images and Congruent Matching Cells (CMC) Method
Series: Journal of Research (NIST JRES)
Report Number: 119.023
Published: 11/6/2014
Authors: Mingsi Tong, Jun-Feng Song, Wei Chu, Robert Meryln Thompson
Abstract: The Congruent Matching Cells (CMC) method was invented at the National Institute of Standards and Institute (NIST). The CMC method is based on correlation of pairs of small correlation cells instead of correlation on the entire images. Four ide ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=915203

6. NIST SURFACE ROUGHNESS AND STEP HEIGHT CALIBRATIONS, Measurement Conditions and Sources of Uncertainty
Published: 3/18/2014
Authors: Theodore Vincent Vorburger, Thomas B Renegar, Xiaoyu A Zheng, Jun-Feng Song, Johannes A Soons, Richard M Silver
Abstract: NIST methods for calibration of surface roughness parameters and step height are described. The surface roughness parameters currently being measured include roughness average (Ra), root mean square (rms) roughness (Rq), average maximum height of the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=915207

7. Applications of Surface Metrology in Firearm Identification
Published: 1/8/2014
Authors: Xiaoyu A Zheng, Johannes A Soons, Theodore Vincent Vorburger, Jun-Feng Song, Thomas B Renegar, Robert Meryln Thompson
Abstract: Surface metrology is commonly used to characterize functional engineering surfaces. The technologies developed offer opportunities to improve forensic toolmark identification. Toolmarks are created when a tool comes into contact with a surface an ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914401

8. Applications of Surface Metrology in Toolmark Identification
Published: 1/8/2014
Authors: Xiaoyu A Zheng, Johannes A Soons, Theodore Vincent Vorburger, Jun-Feng Song, Thomas B Renegar, Robert Meryln Thompson
Abstract: Surface metrology is commonly used to characterize functional engineering surfaces. The technologies developed offer opportunities to improve forensic toolmark identification. In 2009, a report by the National Academies called into question, amon ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913337

9. Validation Tests for the Congruent Matching Cells (CMC) Method Using Cartridge Cases Fired With Consecutively Manufactured Pistol Slides
Published: 10/17/2013
Authors: Wei Chu, Mingsi Tong, Jun-Feng Song
Abstract: The National Institute of Standards and Technology (NIST) has developed the NIST Ballistics Identification System (NBIS) based on three-dimensional (3D) topography measurements on correlation cells [1]. The Congruent Matching Cells (CMC) method is u ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913420

10. Automatic Identification of Bullet Signatures Based on Consecutive Matching Striae (CMS) Criteria
Published: 9/10/2013
Authors: Wei Chu, Robert Meryln Thompson, Jun-Feng Song, Theodore Vincent Vorburger
Abstract: The consecutive matching striae (CMS) numeric criteria for firearm and toolmark identifications have been widely accepted by forensic examiners, although there have been questions concerning its observer subjectivity and limited statistical support. ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911028



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