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Spectral reflectance

Response characteristics and efficiency of variable rate fertilization based on spectral reflectance

Response characteristics and efficiency of variable rate fertilization based on spectral reflectance

... canopy spectral features analysis and ...the spectral reflectance and absorption on certain wavelengths leading to different spectral reflectance, which provides the theoretical basis ...

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Spectral reflectance response to nitrogen fertilization in field grown corn

Spectral reflectance response to nitrogen fertilization in field grown corn

... Spectral reflectance data were collected on six dates (6/29, 7/13, 7/29, 8/11, 8/25 and 9/14) during the 2015 growing season. This study was a part of the Long-Term Agricultural Research Network (LTARN) ...

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Validation of a Method to Estimate Skin Spectral Reflectance Using a Digital Camera.

Validation of a Method to Estimate Skin Spectral Reflectance Using a Digital Camera.

... skin spectral reflectance can be used to extract physiological variables ...and spectral reflectance can be accurately estimated from camera RGB ...and spectral reflectance can ...

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Prediction of crude protein content in rice grain with canopy spectral reflectance

  Prediction of crude protein content in rice grain with canopy spectral reflectance

... get spectral of all canopy ...nm spectral region with a sampling interval of 1.4 nm and spectral resolution of ...continuous spectral reflectance at ...

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Canopy Spectral Reflectance Feature and Leaf Water Potential of Sugarcane Inversion

Canopy Spectral Reflectance Feature and Leaf Water Potential of Sugarcane Inversion

... canopy spectral reflectance was low in the visible light band (400-700nm), there was a clear reflection peaks between 550nm and 560nm, known as the "green peak", it’s reflectivity was generally ...

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Spectral reflectance and directional properties of structural coloration in bird plumage

Spectral reflectance and directional properties of structural coloration in bird plumage

... of spectral reflectance curves depending upon the relative thickness, refractive index difference and number of layers (see ...the reflectance spectrum, which means that spectra with good rejection ...

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Spectral knowledge (SK-UTALCA) : software for exploratory analysis of high-resolution spectral reflectance data on plant breeding

Spectral knowledge (SK-UTALCA) : software for exploratory analysis of high-resolution spectral reflectance data on plant breeding

... high-resolution spectral reflectance data. Spectral reflectance data can suffer from problems such as poor signal to noise ratios in various wavebands or invalid measurements due to changes in ...

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Use Of Spectral Reflectance For Sensitive Waveband Determination For Soil Organic Matter

Use Of Spectral Reflectance For Sensitive Waveband Determination For Soil Organic Matter

... soil spectral signatures. Remote sensing using reflectance spectroscopy does not harm the nutrients in the soil ...The spectral signatures obtained using spectroscopy is spread over a wide range of ...

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Leaf orientation and the spectral reflectance of field crops

Leaf orientation and the spectral reflectance of field crops

... canopy reflectance). The Canopy Bidirectional Reflectance Factor (BRF) can be computed for a certain set of canopy parameter ...on reflectance (Rautiaine et ...canopy reflectance models, ...

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Invariant representation for spectral reflectance images and its application

Invariant representation for spectral reflectance images and its application

... surface-spectral reflectance by the minimum reflectance is invariant to highlights, shading, surface geometry, and illumination ...the spectral sensitivity functions of the imaging system are ...

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Using spectral reflectance in soybean breeding: evaluating genotypes for soybean sudden death disease resistance and grain yield.

Using spectral reflectance in soybean breeding: evaluating genotypes for soybean sudden death disease resistance and grain yield.

... canopy spectral reflectance to estimate SCN populations in the soil, yield, oil and protein content of ...percent reflectance at 810nm, 48% of the initial SCN population in the soil variation was be ...

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Specialized Color Targets for Spectral Reflectance Reconstruction of Magnified Images

Specialized Color Targets for Spectral Reflectance Reconstruction of Magnified Images

... for spectral estimation meth- ...allowing spectral estimation of data without the need for multiple glass filters in an imaging ...allowing spectral estimation using only a digital camera and a ...

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A newly identified spectral reflectance signature near the lunar South pole and the South Pole Aitken Basin

A newly identified spectral reflectance signature near the lunar South pole and the South Pole Aitken Basin

... We searched for the spectral signature of an absorption band frequently seen in the reflectance spectra of phyllosil- icates, and centered spectrally near 0.7 μm, in Galileo Lun- map 14 images of the moon. We ...

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Dry phase detection of ultra thin multilayer poly electrolyte films using spectral reflectance technique

Dry phase detection of ultra thin multilayer poly electrolyte films using spectral reflectance technique

... However the thickness of PESA films is too thin to detect by this equipment as number of reflections depend on the thickness of deposited layer therefore oxidized silicon is used as a su[r] ...

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Detection of nitrogen deficiency in wheat from spectral reflectance indices and basic crop eco-physiological concepts

Detection of nitrogen deficiency in wheat from spectral reflectance indices and basic crop eco-physiological concepts

... of spectral indices, empirical models to predict chlorophyll content are usually based on reflectance far from pigment absorption maxima, ...Another spectral area of considerable interest has been the region ...

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The temporal dynamics of calibration target reflectance

The temporal dynamics of calibration target reflectance

... hemispherical-directional reflectance factors (HDRF) over the visible to near infrared wave- length range ...of spectral reflectance factors since they minimise the temporal delay experienced with a ...

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On the reflectance spectroscopy of snow

On the reflectance spectroscopy of snow

... from spectral reflectance measurements avoiding compli- cated integration with respect to the observation geometry (azimuth, viewing ...from spectral reflectance measurements (say, from ...

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Reflectance, illumination, and appearance in color constancy

Reflectance, illumination, and appearance in color constancy

... Integrated Reflectance, not the usual spectral surface reflectance curves measured with a narrowband spectral ...integrated reflectance has L, M, S values that are the product of the ...

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Microphytobenthos Primary Production Estimated by Hyperspectral Reflectance

Microphytobenthos Primary Production Estimated by Hyperspectral Reflectance

... measurements, a* was retrieved using a radiative transfer model and several radiometric indices were tested for their capacity to predict LUE and ETR. The spectral estimation of these two photosynthetic variables ...

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Diffuse reflectance measurement tool for laparoscopic surgery

Diffuse reflectance measurement tool for laparoscopic surgery

... While certainly simple from a theoretical and instrumental point of view, in-vivo determination of blood oxygenation by optical transmission requires a sampled volume, which should be transmissive enough to detect the ...

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