نتایج جستجو برای: reflectance value

تعداد نتایج: 752080  

2011
Waleed Kamal Mohammed Badawi

iii The methodology exploited to evaluate the performance of the framework involves the development of algorithms, their implementation in software, and their assessment using welldesigned experiments anchored on quantitative performance measurement methods. The goodness-of-fit coefficient (GFC) is used to evaluate the performance of the framework, by measuring the degree of similarity between ...

2009
LE WANG WAYNE P. SOUSA

As a first step in developing classification procedures for remotely acquired hyperspectral mapping of mangrove canopies, we conducted a laboratory study of mangrove leaf spectral reflectance at a study site on the Caribbean coast of Panama, where the mangrove forest canopy is dominated by Avicennia germinans, Laguncularia racemosa, and Rhizophora mangle. Using a highresolution spectrometer, we...

A Bhardwaj B.L Salvi

In this paper, an attempt has been made to investigate the reflectance of various colours and effects of vary-ing colours on human working and production. Different colours have different reflectance and energy associ-ated with it. Colours play a significant role in the colour scheme of the houses, offices, factories etc. The col-ours may be seen on walls, tabletops, equipment, machines etc. In...

Journal: :Journal of biomedical optics 2015
Caihua Liu Yue Guan Jianru Wang Xiewei Zhong Xiuli Liu Dan Zhu

Hair follicle offers an excellent model for systems biology and regenerative medicine. So far, the stages of hair follicle growth have been evaluated by histological examination. In this work, a noninvasive spectroscopy was proposed by measuring the diffuse reflectance of mouse skin and analyzing the melanin value. Results show that the skin diffuse reflectance was relatively high when hair fol...

2017
Yue Cao Hao Qu Can Xiong Changhong Liu Lei Zheng

Extended exposure to sunlight may give rise to chemical and physical damages of human hairs. In this work, we report a novel method for non-destructive quantification of hair photodamage via multispectral imaging (MSI) technology. We show that the multispectral reflectance value in near-infrared region has a strong correlation with hair photodamage. More specifically, the hair segments with lon...

2004
A L Nunes R S Marçal

A set of high-resolution multi-spectral satellite images were collected and processed to estimate the sediment concentration in the sea-breaking zone. The value of Total Suspended Matter (TSM) is empirically related to the sea surface reflectance. However, in order to obtain accurate reflectance measurements from the satellite images, the effect of the atmosphere needs to be accounted for. A se...

Journal: :Journal of biomedical optics 2008
Zoya Volynskaya Abigail S Haka Kate L Bechtel Maryann Fitzmaurice Robert Shenk Nancy Wang Jon Nazemi Ramachandra R Dasari Michael S Feld

Using diffuse reflectance spectroscopy and intrinsic fluorescence spectroscopy, we have developed an algorithm that successfully classifies normal breast tissue, fibrocystic change, fibroadenoma, and infiltrating ductal carcinoma in terms of physically meaningful parameters. We acquire 202 spectra from 104 sites in freshly excised breast biopsies from 17 patients within 30 min of surgical excis...

2006
Nazmi Z. Saleous Jeffrey L. Privette

Directional surface reflectance is defined as the ratio between the radiance measured in specific observation geometry (zenith and azimuth) and a direct source of illumination (zenith and azimuth) in an infinitely small solid angle. The directional surface reflectance is determined from satellite observations though the atmospheric correction process. When properly retrieved, the directional re...

Journal: :Journal of bacteriology 1966
R W Brown

Brown, Richard W. (National Animal Disease Laboratory, Ames, Iowa). Color of cultures of Staphylococcus epidermidis determined by spectral reflectance colorimetry. J. Bacteriol. 91:911-918. 1966.-A colorimeter with a reflectance attachment was used to study pigment production by Staphylococcus epidermidis strains grown on a medium containing Trypticase Soy Agar (BBL) and cream. The color of eac...

Journal: :journal of industrial engineering, international 2009
b.l salvi a bhardwaj

in this paper, an attempt has been made to investigate the reflectance of various colours and effects of vary-ing colours on human working and production. different colours have different reflectance and energy associ-ated with it. colours play a significant role in the colour scheme of the houses, offices, factories etc. the col-ours may be seen on walls, tabletops, equipment, machines etc. in...

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