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Search Publications

NIST Authors in Bold

Displaying 19501 - 19525 of 73697

SHREC14 Track: Extended Large Scale Sketch-Based 3D Shape Retrieval

June 12, 2014
Author(s)
Afzal A. Godil, Chunyuan Li
Large scale sketch-based 3D shape retrieval has received more and more attentions in the community of content- based 3D object retrieval. The objective of this track is to evaluate the performance of different sketch-based 3D model retrieval algorithms

SHREC14 Track: Large Scale Comprehensive 3D Shape Retrieval

June 12, 2014
Author(s)
Afzal A. Godil, Chunyuan Li
The objective of this track is to evaluate the performance of 3D shape retrieval approaches on a large-sale com- prehensive 3D shape database which contains different types of models, such as generic, articulated, CAD and architecture models. The track is

SHREC14 Track: Retrieval and classification on Textured 3D Models

June 12, 2014
Author(s)
Afzal A. Godil
This contribution reports the results of the SHREC 2014 track: Retrieval and classification on textured 3D models, whose goal is to evaluate the performance of retrieval algorithms when models vary either by geometric shape or texture, or both. The

SHREC14 Track: Shape Retrieval of Non-Rigid 3D Human Models

June 12, 2014
Author(s)
Afzal A. Godil, Chunyuan Li
We have created a new benchmarking dataset for testing non-rigid 3D shape retrieval algorithms, one that is much more challenging than existing datasets. Our dataset features exclusively human models, in a variety of body shapes and poses. 3D models of

BEHAVIOR OF STEEL COMPONENTS SUBJECTED TO LOCALIZED FIRE

June 11, 2014
Author(s)
Chao Zhang, John L. Gross, Lisa Y. Choe
Recent numerical studies on the behavior of steel components subjected to a localized fire are presented. Sequentially coupled thermo-mechanical simulations were conducted to predict the steel temperature distribution, the deformation mode and failure

Fabrication of 200 nm Period Hard X-Ray Phase Gratings

June 11, 2014
Author(s)
Houxun Miao, Andrew A. Gomella, Nicholas Chedid, Lei Chen, Han Wen
Far field x-ray grating interferometry achieves extraordinary phase sensitivity in imaging weakly absorbing samples, provided that the grating period is within the transverse coherence length of the x-ray source. Here we describe a cost-efficient process

Morphological origin of charge transport anisotropy in aligned polythiophene thin films

June 11, 2014
Author(s)
Brendan T. O'Connor, Obadiah G. Reid, Xinran Zhang, Regis J. Kline, Lee J. Richter, David J. Gundlach, Dean DeLongchamp, Michael F. Toney, Nikos Kopidakis, Garry Rumbles
The morphological origin of anisotropic charge transport in uniaxially strain aligned poly(3-hexylthiophene) (P3HT) films is investigated. The macroscale field effect mobility anisotropy is measured in an organic thin film transistor (OTFT) configuration

USA - Characteristics, Impacts, and Future Directions

June 11, 2014
Author(s)
Sarah Slaughter, Douglas Thomas, Robert E. Chapman
Investments in the built environment provide the basis for civil society and commerce, and construction is an engine of growth for the U.S. economy, equaling approximately 3 % to 5 % of GDP. Current U.S. annual expenditures for construction-related R&D are

Use of Single Particle Inductively Coupled Plasma Mass Spectrometry to Characterize a New Silver Nanoparticle Reference Material

June 11, 2014
Author(s)
Karen E. Murphy, Jingyu Liu, William F. Guthrie, Justin M. Gorham, John E. Bonevich, Andrew J. Allen, Michael R. Winchester, Vincent A. Hackley, Robert MacCuspie
In this study we use inductively coupled plasma mass spectrometry operated in single particle mode (spICP-MS) to simultaneously characterize the size distribution and dissolved silver fraction of a new silver nanoparticle (AgNP) candidate reference

Mid-Infrared Time-Resolved Frequency Comb Spectroscopy of Transient Free Radicals

June 10, 2014
Author(s)
Adam J. Fleisher, Bryce Bjork, Thinh Q. Bui, Kevin C. Cossel, Mitchio Okumura, Jun Ye
Quantitative measurements in chemical kinetics require unambiguous determinations of reactant, intermediate, and product concentrations on time scales faster than the reaction rate. Direct absorption spectroscopy in the mid-infrared (mid-IR) can fulfill

650 GHz bistatic scattering measurements on human skin

June 9, 2014
Author(s)
Richard A. Chamberlin, Natalie P. Mujica-Schwahn, Erich N. Grossman
Many groups are developing submillimeter cameras that will be used to screen human subjects for improvised explosive devices (IEDs) and other threat items hidden beneath their clothing. To interpret submillimeter camera images the scattering properties

Air-Stable Electron Depletion of Bi 2 Se 3 Using Molybdenum Trioxide into the Topological Regime

June 9, 2014
Author(s)
Mark T. Edmonds, Jack T. Hellerstedt, Anton Tadich, Alex Schenk, Kane Michael O'Donnell, Jacob Tosado, Nicholas Butch, Paul Syers, Johnpierre Paglione, Michael S. Fuhrer
We report on electronic transport measurements of dual-gated nano-devices of the low-carrier density topological insulator Bi 1.5Sbd0.05Te 1.7Se 1.3. In all devices the upper and lower surface states are independently tunable to the Dirac point by the top

Design and Analysis of a 150 K Cascade Joule-Thomson Microcooler

June 9, 2014
Author(s)
Ray Radebaugh, Peter E. Bradley, Collin J. Coolidge, Ryan J. Lewis, Y.C. Lee
Lightweight and compact microcoolers are needed for advanced, hand-held infrared systems. A temperature of 150 K is adequate for high sensitivity with some of the latest IR detectors, which simplifies the cooling requirements compared to 80 K detectors

MANUFACTURING PROCESS INFORMATION MODELS FOR SUSTAINABLE MANUFACTURING

June 9, 2014
Author(s)
Mahesh Mani, Kevin W. Lyons, Lina Valivullah, Satyandra K. Gupta
Sustainable manufacturing systems use processes, methodologies, and technologies that are energy efficient and environmentally friendly. To create and maintain such systems, well-defined measurement methodologies and corresponding manufacturing information
Displaying 19501 - 19525 of 73697
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