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Search Publications by: Martin Herman (Assoc)

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Displaying 1 - 25 of 81

Quantitative Evaluation of Footwear Evidence: Initial Workflow for an End-to-End System

November 23, 2021
Author(s)
Gautham Venkatasubramanian, Vighnesh Hegde, Steven Lund, Hariharan K. Iyer, Martin Herman
In the U.S., footwear examiners make decisions about the sources of crime scene shoe impressions using subjective criteria. This has raised questions about the accuracy, repeatability, reproducibility, and scientific validity of footwear examinations

Final Report: Quantitative Measures for Footwear Impression Comparisons

November 21, 2021
Author(s)
Martin Herman
This document is the Final Report for the Interagency Agreement between the National Institute of Justice, Office of Justice Programs and the National Institute of Standards and Technology. The goal of this effort has been to research and develop

NIST Cloud Computing Forensic Science Challenges

August 25, 2020
Author(s)
Martin Herman, Michaela Iorga, Ahsen Michael Salim, Robert H. Jackson, Mark R. Hurst, Ross Leo, Richard Lee, Nancy Landreville, Anand K. Mishra, Yien Wang, Rodrigo Sardinas
This document summarizes research performed by the members of the NIST Cloud Computing Forensic Science Working Group and aggregates, categorizes, and discusses the forensics challenges faced by experts when responding to incidents that have occurred in a

Measurements and Scoring Procedures for Footwear Impression Comparisons

December 16, 2016
Author(s)
Martin Herman
A software system under development at NIST, called SHOECALC, will be described. It is designed to help both researchers and footwear examiners in the assessment of metrics or scoring procedures that provide objective characterizations of correspondences

ITL Forensic Science Program

June 5, 2014
Author(s)
Barbara Guttman, Martin Herman, Michaela Iorga, Larry Feldman, Kim Quill
Forensic science provides the methodologies for understanding crime scenes. It is used for analyzing evidence, identifying suspects, and prosecuting and convicting criminals while exonerating innocent people. To maintain the integrity of the U.S. criminal

Head Tracking Using Stereo

December 6, 2000
Author(s)
D Russakoff, Martin Herman
Head tracking is an important primitive for smart environments and perceptual user interfaces where the poses and movements of body parts need to be determined. Most previous solutions to this problem are based on intensity images and, as a result, suffer

Real-time Single-workstation Obstacle Avoidance Using Only Wide-field Flow Divergence

January 1, 1999
Author(s)
Theodore(Ted) Camus, David Coombs, Martin Herman, Tsai Hong Hong
This paper describes a real-time robot vision system which uses only the divergence of the optical flow field for both steering control and collision detection. The robot has wandered about the lab at 20 cm/s for as long as 26 minutes without collision

NGIS SIM Specification

January 1, 1998
Author(s)
William G. Rippey, John L. Michaloski, Martin Herman, Sandor S. Szabo, W Dewys, N Frampton

A Unique Sensor Fusion System for Coordinate Measuring Machine Tasks

October 1, 1997
Author(s)
M Nashman, Billibon H. Yoshimi, Tsai H. Hong, William G. Rippey, Martin Herman
This paper describes a real-time hierarchical system that combines (fuses) data from vision and touch sensors to simplify and improve the operation of a coordinate measuring machine (CMM) used for dimensional inspection tasks. Our emphasis is on sensory

Integrated Vision and Touch Sensing for CMMs

October 1, 1997
Author(s)
Billibon H. Yoshimi, Tsai Hong Hong, Martin Herman, M Nashman, William G. Rippey
This paper describes a calibrated and an uncalibrated method for integrating a vision system with touch sensors and a Coordinate Measuring Machine (CMM). Traditionally, vision systems are used to measure machined parts and to localize manufacturing defects

Real-Time Single-workstation Obstacle Avoidance Using Only Wide-Field Flow Divergence

August 1, 1996
Author(s)
Theodore(Ted) Camus, David Coombs, Martin Herman, Tsai Hong Hong
A real-time robot vision system is described which uses only the divergence of the optical flow field for both steering control and collision detection. The robot has wandered about the lab at 20 cm/s for as long as 26 minutes without collision. The entire

Motion-Model-Based Boundary Extraction

November 1, 1995
Author(s)
H Liu, Tsai H. Hong, Martin Herman, Rama Chellappa
Motion boundary extraction and optical flow computation are two subproblems of the motion recovery problem that cannot be solved independently of each other. They represent the most common dilemma in motion research. A popular approach uses an iterative