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Displaying 8926 - 8950 of 9860

Reconstructing Images of Bar Codes for Construction Site Object Recognition

September 1, 2002
Author(s)
David E. Gilsinn, Geraldine S. Cheok, Dianne M. O'Leary
This paper discusses a general approach to reconstructing ground truth intensity images of bar codes that have been distorted by LADARoptics. The first part of this paper describes the experimental data collection of several bar code images along with

Standards for Optical Imaging Systems in Forensic Laboratories

August 1, 2002
Author(s)
Jun-Feng Song, Theodore V. Vorburger, Robert A. Clary, Eric P. Whitenton, Li Ma, Susan M. Ballou
NIST RM (Reverence Material) 8240/2350 standard bullet and casing project is currently ongoing to support the National Integrated Ballistics Information Network (NIBIN) in the US. The original bullet signatures were traced on six master bullets from

A Hierarchical World Model for an Autonomous Scout Vehicle

April 5, 2002
Author(s)
Stephen B. Balakirsky, Tommy Chang, Tsai H. Hong, Elena R. Messina, Michael O. Shneier
This paper describes a world model that combines a variety of sensed inputs and a priori information and is used to generate on-road and off-road autonomous driving behaviors. The system is designed in accordance with the principles of the 4D/RCS

IT Security for Industrial Control Systems

February 28, 2002
Author(s)
Joseph Falco, Frederick M. Proctor, Keith A. Stouffer, Albert J. Wavering
The National Institute of Standards and Technology (NIST) is working to improve the IT security of networked digital control systems used in industrial applications. This effort is being carried out through the Process Control Security Requirements Forum

Photometry: Sensing Light Color

September 1, 2001
Author(s)
Yoshihiro Ohno, Steven W. Brown
This article first addresses the need and importance of photometry and colorimetry for many products in our daily life- light bulbs in homes and offices; TV sets, computer monitors, headlights of cars, traffic lights, etc. Then the concepts of photometry

Comparison of FDS Model Predictions With FM/SNL Fire Test Data.

April 1, 2001
Author(s)
Frederick W. Mowrer, P A. Friday
The Fire Dynamics Simulator (FDS), a recently developed field tire model based on large eddy simulation (LES), is used to simulate seven full-scale fire tests. The fire tests were conducted in a large mechanically ventilated enclosure with dimensions of 18

Design Procedures for Structures with Supplemental Dampers

April 1, 2001
Author(s)
Fahim Sadek, Michael A. Riley
Passive energy dissipation devices are used to reduce the damage from earthquakes by absorbing a portion of the earthquake-induced energy in structures. Wide acceptance of these devices in structures will depend on the availability of simplified methods

Concrete Materials Database

December 1, 2000
Author(s)
C B. Oland, Chiara C. Ferraris
ACI Committee 126 on Database Formats for Concrete Materials Properties was organized in 1990 to develop and report information on database formats for concrete and related materials. The committee is accomplishing this mission by preparing guides for use

Automated Part Tracking on the Construction Job Site

July 1, 2000
Author(s)
William C. Stone, L E. Pfeffer, K M. Furlani
Efforts are underway at the National Institute of Standards and Technology (NIST) to develop a web-based system for rapid tracking, identifying, and locating manufactured components on the construction jobsite. The approach involves the use of RFID and

Solidification Microstructures: Recent Developments, Future Directions

January 1, 2000
Author(s)
William J. Boettinger, Sam R. Coriell, A L. Greer, A N. Karma, W Kurz, M Rappaz, R Trivedi
This review is intended to critically evaluate the latest status of solidification science and to discuss and propose future directions of research in this technologically important area. It is an updated version of the outcome of the 1998 Zermatt Workshop
Displaying 8926 - 8950 of 9860
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