Reflectance Measurement and Spectral Pre-Processing
Practical Measurement and Reconstruction of Spectral Skin Reflectance
... for measurement of spectral skin reflectance suited for live subjects, and drive a spectral BSSRDF model with appropriate complexity to match skin appearance in photographs, including human ...
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Practical Measurement and Reconstruction of Spectral Skin Reflectance
... for measurement of spectral skin reflectance suited for live subjects, and drive a spectral BSSRDF model with appropriate complexity to match skin appearance in photographs, including human ...
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Monitoring turfgrass species and cultivars by spectral reflectance
... Results showed that, within the same species, selected vegetation indices are often able to discriminate between different cultivars that have been established and main- tained with identical agronomical practices. To ...
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Leaf orientation and the spectral reflectance of field crops
... LAD measurement on a large ...LAD measurement methods are that they are laborious, time- consuming and constrained to stand ...LAD measurement, especially for cereal crop species, by including leaf ...
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ESTIMATION OF CHLOROPHYLL CONCENTRATION IN MAIZE USING SPECTRAL REFLECTANCE
... some spectral vegetation indices for the maize at 36 and 56 days after ...canopy measurement. When compared NDVI with canopy reflectance the correlation with chlorophyll ...
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Unattended processing of shipborne hyperspectral reflectance measurements
... The spectral locations of the most prominent features in a set of L t and L s spectra can be rapidly identi fied from the highest and low- est values in the first spectral ...sensor spectral reso- ...
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Specialized Color Targets for Spectral Reflectance Reconstruction of Magnified Images
... general spectral estimation of any micron-sized (or greater) feature on any ...multiple spectral reflectance profiles for various optical thin films from as few as two magnified ...the ...
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Methods of spectral reflectance reconstruction for a sinarback 54 digital camera
... high spectral and colorimetric ...and spectral reflectance, and after that, the camera signals of independent targets can be transferred into spectral ...of spectral color reproduction ...
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A Method of Drusen Measurement Based on the Geometry of Fundus Reflectance
... its spectral re- flectance by Knighton [32]. The highest spectral reflectance is for blue light (460 nm), dropping off to per- haps 2/3 of this for green (510 ...The reflectance spec- trum has ...
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Determination of the optimal pre-processing technique for spectral data of oil palm leaves with respect to nutrient
... The six techniques were further classified into four main methods of smoothing, differentiation, standardisation and normalisation. The MSC technique falls under normalisation method that is popularly used due to its ...
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Validation of a Method to Estimate Skin Spectral Reflectance Using a Digital Camera.
... this measurement, the subject was informed that the cuff would be inflated for approximately 4 minutes during the course of the recording, in order to temporarily occlude blood flow to the ...
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Prediction of crude protein content in rice grain with canopy spectral reflectance
... In September 2009 and 2010, after the canopy spectral measurements, rice grain were put into an oven to dry at 105°C for half an hour and then at 70°C till the constant weight was acquired. The dry grains were ...
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Spectral knowledge (SK-UTALCA) : software for exploratory analysis of high-resolution spectral reflectance data on plant breeding
... good reflectance measurements in the field have been reported in the literature ...correct measurement of the reflectance in the field is ...in reflectance induced by changes in the angle of ...
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Wireless reflectance pulse oximeter design and photoplethysmographic signal processing
... Designing a Novel and Competent Pulse Oximeter Interpreting the photoplethysmogram and extracting physiological parameters from the pulsatile waveform normally reside in the field of biomedicine or physiology, while ...
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Analyzing the Temperature Field of Combined Plasma Arc Based on Image Pre processing and Spectral Diagnostics of Plasma Arc
... of spectral diagnostics in time and space but also enhanced the capabilities of data processing and the accuracy of experimental measurement ...non-contact measurement, a new type of charge ...
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Solar spectral irradiance - measurement and application in photovoltaics
... 45° Figure 5.1: The irradiance measurements diagram 5.2.2 Data acquisition Signals from the two CMP11 pyranometers are logged by a CR1000 data-logger. The data-logger settings were adjusted to minimise an impact of ...
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SPECTRAL REFLECTANCE MEASUREMENTS OF SALT-AFFECTED SOIL
... As would be expected, the more pronounced influence of surface soil of different salts and concentrations on reflectance is shown at the dry moisture condition (after wetting),[r] ...
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Invariant representation for spectral reflectance images and its application
... one light source from the left direction. The size of the captured spectral image by our imaging system is 433 × 363 × 31. Figure 6b depicts the ground truth by manually seg- menting the image. The ground truth ...
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Spectral-Feature-Based Analysis of Reflectance and Emission Spectral Libraries and Imaging Spectrometer Data
... of spectral-feature-based analysis to identifying and mapping Earth-surface materials using spectral libraries and imaging spectrometer ...both reflectance and emissivity spectral libraries by ...
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Diffuse reflectance measurement tool for laparoscopic surgery
... Fig. 1 – NIR extinction coefficient for oxyhaemoglobin (HbO 2 ) and deoxyhaemoglobin (Hb), from ref. 2. While certainly simple from a theoretical and instrumental point of view, in-vivo determination of blood oxygenation ...
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