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You searched on: Author: david allen

Displaying records 21 to 30 of 65 records.
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21. Investigation of the potential use of hyperspectral imaging for stand-off detection of person-borne IEDs
Published: 5/23/2011
Authors: Catherine C Cooksey, David W Allen
Abstract: Advances in hyperspectral sensors and algorithms in numerous fields of research have opened up new possibilities for its use in the detection of person-borne IEDs. While portions of the electromagnetic spectrum, such as the x-ray and terahertz regio ...

22. NIST Measurement Services: Regular Spectral Transmittance
Series: Special Publication (NIST SP)
Report Number: 250-69
Published: 3/10/2011
Authors: David W Allen, Edward A. Early, Benjamin K Tsai, Catherine C Cooksey
Abstract: This document describes measurement services, instrumentation, and measurement techniques for regular spectral transmittance over the spectral range from 250 nm to 2500 nm at the National Institute of Standards and Technology. Section 2 explains the ...

23. Characterization of Hyperspectral Imaging and Analysis via Microarray Printing of Dyes
Published: 2/22/2011
Authors: Matthew Lawrence Clarke, Maritoni Abatayo Litorja, David W Allen, Daniel Victor Samarov, Jeeseong Hwang
Abstract: The application of hyperspectral imaging requires rigorous characterization of the spatial and spectral imaging domains of the system. We present a microarray printing methodology for the testing of absorption or reflectance microscopy measurements. ...

24. An examination of spectral diversity of medical scenes for hyperspectral projection
Published: 2/14/2011
Author: David W Allen
Abstract: There are numerous medical conditions which may benefit from hyperspectral imaging. The imagers used for these conditions will need to have the performance validated to ensure consistency, gain acceptance and clear regulatory hurdles. NIST has been ...

25. Hyperspectral image projection of a pig kidney for the evaluation of imagers used for oximetry
Published: 2/10/2011
Author: David W Allen
Abstract: Hyperspectral image projection applied to optical medical imaging can provide a means to evaluate imager performance. This allows repeated viewing of unique surgical scenes without the need for costly experiments on patients. Additionally, the genera ...

26. The Extension of the NIST BRDF Scale from 1100 nm to 2500 nm
Published: 8/21/2009
Authors: Howard W Yoon, David W Allen, George P Eppeldauer, Benjamin K Tsai
Abstract: Measurements of bi-directional reflectance factor for diffuse reflectance from 1100 nm to 2500 nm using extended-range indium gallium arsenide (exInGaAs) detectors in the NIST Spectral Tri-function Automated Reference Reflectometer (STARR) facility ...

27. Hyperspectral Image Compressive Projection Algorithm
Published: 6/1/2009
Authors: Joseph Paul Rice, Jorge Enrique Neira, David W Allen
Abstract: We describe a compressive projection algorithm and quantitatively assess its performance when used with a Hyperspectral Image Projector (HIP). The HIP is being developed by NIST for system-level performance testing of hyperspectral and multispectral ...

28. Hyperspectral Projection of a Coral Reef Scene using the NIST Hyperspectral Image Projector
Published: 6/1/2009
Authors: David W Allen, Joseph Paul Rice, James A Goodman
Abstract: Improving the understanding of the optical scene components associated with coral reef imagery will advance the ability to map and monitor coral reefs using remote sensing. One tool that may aid in understanding the components in these scenes is the ...

29. Holmium Oxide Glass Wavelengths Standards
Series: Journal of Research (NIST JRES)
Published: 1/1/2008
Author: David W Allen
Abstract: Holmium oxide glass has been used as a wavelength standard for over four decades. These standards have shown very little variation from batch to batch and from one manufacturer to another. NIST has certified and recertified holmium oxide glass samp ...

30. Dynamically Programmable Digital Tissue Phantoms
Published: 12/31/2007
Authors: Steven W Brown, Joseph Paul Rice, David W Allen, Maritoni Abatayo Litorja, Karel Zuzak, Edward Livingston
Abstract: As optical imaging modalities gain acceptance for medical diagnostics and become common in clinical applications, standardized protocols to quantitatively assess optical sensor performance are required to ensure commonality in measurements and to val ...

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Looking for a NIST Special Publication (NIST SP Series)? Place the series number and dash in the report number field (Example: 800-) and begin your search.

  • SP 250-XX: Calibration Services
  • SP 260-XX: Standard Reference Materials
  • SP 300-XX: Precision Measurement and Calibration
  • SP 400-XX: Semiconductor Measurement Technology
  • SP 480-XX: Law Enforcement Technology
  • SP 500-XX: Computer Systems Technology
  • SP 700-XX: Industrial Measurement Series
  • SP 800-XX: Computer Security Series
  • SP 823-XX: Integrated Services Digital Network Series