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1. Double-integrating-sphere system at the National Institute of Standards and Technology in support of measurement standards for the determination of optical properties of tissue-mimicking phantoms
Published: 10/27/2015
Authors: Paul Lemaillet, Jeeseong Hwang, David W Allen
Abstract: There is a need for a common reference point that will allow for the comparison of the optical properties of tissue mimicking phantoms. This paper provides a brief review of the methods that have been used to measure tissue mimicking phantoms. T ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=918507

2. Digital Phantoms Generated by Spectral and Spatial Light Modulators
Published: 10/21/2015
Authors: Bonghwan B. Chon, Fuyuki Tokumasu, Ji Y. Lee, David W Allen, Joseph Paul Rice, Jeeseong Hwang
Abstract: A hyperspectral image projector (HIP) based on liquid crystal on silicon (LCoS) spatial light modulators (SLMs) is explained and demonstrated to generate 3D spectral data cubes. The HIP- constructed data cubes are 3D images of the spatial distribu ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=918549

3. Characterizing intimate mixtures of materials in hyperspectral imagery with albedo-based and kernel-based approaches
Published: 9/1/2015
Authors: Robert S Rand, David W Allen, Ronald Resmini
Abstract: Linear mixtures of materials in a scene often occur because the pixel size of a sensor is relatively large and consequently they contain patches of different materials within them. This type of mixing can be thought of as areal mixing and modeled by ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=919172

4. Spectral reflectance variability of skin and attributing factors
Published: 5/21/2015
Authors: Catherine C Cooksey, Benjamin K Tsai, David W Allen
Abstract: Knowledge of the spectral reflectance signature of human skin over a wide spectral range will help advance the development of sensing systems for many applications, ranging from medical treatment to security technology. A critical component of the s ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=918494

5. Bidirectional reflectance scale comparison between NIST and PTB
Published: 5/1/2015
Authors: Catherine C Cooksey, Maria E Nadal, David W Allen, Kai-Olaf Hauer, Andreas Hoepe
Abstract: A comparison of bidirectional reflectance scales between the National Institute of Standards and Technology (NIST) and the Physikalisch-Technische Bundesanstalt (PTB) has been performed. Measurements of two sets of white diffuse reflectance standard ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913371

6. Establishment and application of the 0/45 reflectance factor scale over the shortwave infrared
Published: 4/1/2015
Authors: Catherine C Cooksey, David W Allen, Benjamin K Tsai, Howard W Yoon
Abstract: This paper describes the establishment and application of the 0/45 reflectance factor scale in the shortwave infrared (SWIR) from 1100 nm to 2500 nm. Design, characterization, and the demonstration of a 4-stage, extended indium-gallium-arsenide radi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=917390

7. Making digital phantoms with spectral and spatial light modulators for quantitative applications of hyperspectral optical medical imaging devices
Published: 3/6/2015
Authors: Bonghwan B. Chon, fuyuki Tokumasu, Ji Youn Lee, David W Allen, Joseph Paul Rice, Jeeseong Hwang
Abstract: We present a procedure to generate digital phantoms with a hyperspectral image projector (HIP) consisting of two liquid crystal on silicon (LCoS) spatial light modulators (SLMs). The digital phantoms are 3D image data cubes of the spatial distri ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=917932

8. Measurement of the optical properties of solid biomedical phantoms at the National Institute of Standards and Technology
Published: 3/6/2015
Authors: Paul Lemaillet, David W Allen, Jeeseong Hwang
Abstract: Solid phantoms that serve as a proxy for human tissue and provide a convenient test subject for optical medical imaging devices. In order to determine quantitative performance of a given system, the absolute optical properties of the subject mus ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=917965

9. An analysis of the nonlinear spectral mixing of didymium and soda-lime glass beads using hyperspectral imagery (HSI) microscopy
Published: 6/13/2014
Authors: Ronald Resmini, Robert S Rand, Christopher Deloye, David W Allen
Abstract: Nonlinear spectral mixing occurs when materials are intimately mixed. Intimate mixing is a common characteristic of granular materials such as soils. A linear spectral unmixing inversion applied to a nonlinear mixture will yield subpixel abundance es ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=915979

10. A collection and statistical analysis of skin reflectance signatures for inherent variability over the 250 nm to 2500 nm spectral range
Published: 6/4/2014
Authors: Catherine C Cooksey, Benjamin K Tsai, David W Allen
Abstract: The spectral reflectance signature of human skin provides opportunities to advance observations ranging from medical treatment to security applications. In this study 28 volunteers participated in a skin reflectance measurement of the inside of the r ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=916057



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