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https://www.nist.gov/people/jun-feng-song
Jun-Feng Song (Fed)
Mr. Song is a mechanical engineer in the Surface and Interface Metrology Group in the Sensor Science Division of the Physical Measurement Laboratory (PML) at the National Institute of Standards and Technology (NIST).
Samuel Low, Jun-Feng Song, Alessandro Germak, Andy Knott, Renato R. Machado
This paper describes the process used by the Consultative Committee for Mass and Related Quantities - Working Group on Hardness (CCM-WGH) of the International
Zhe Chen, Jun-Feng Song, Johannes A. Soons, Robert M. Thompson, Xuezeng Zhao
Most studies on bullet identification address test fire bullet that have near pristine striation marks on the land engraved areas (LEAs). However, in case work
Zhe Chen, Wei Chu, Johannes A. Soons, Robert M. Thompson, Jun-Feng Song, Xuezeng Zhao
We introduce the Congruent Matching Profile Segments (CMPS) method for objective comparison of striated tool marks and apply it to fired bullet signature
Theodore V. Vorburger, Jun-Feng Song, Nicholas D. Petraco, Ryan Lilien
This chapter is designed to introduce the reader to emerging technologies relating to 3D surface topography measurement and comparative analysis. While the
The congruent matching cells (CMC) method was invented at the National Institute of Standards and Technology (NIST) for firearm evidence identification and