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Spectrum Analysis

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Estimating the leaf nitrogen content of paddy rice by using the combined reflectance and laser-induced fluorescence spectra.

Optics express Aug 22, 2016
Paddy rice is one of the most important crops in China, and leaf nitrogen content (LNC) serves as a significant indictor for monitoring crop status. A reliable method is needed for precise and fast quantification of LNC. Laser-induced fluorescence (L...
Neural Networks, Computer Oryza Nitrogen Spectrum Analysis China Plant Leaves
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[Hyperspectral Estimation of Apple Tree Canopy LAI Based on SVM and RF Regression].

Guang pu xue yu guang pu fen xi = Guang pu Mar 1, 2016
Leaf area index (LAI) is the dynamic index of crop population size. Hyperspectral technology can be used to estimate apple canopy LAI rapidly and nondestructively. It can be provide a reference for monitoring the tree growing and yield estimation. Th...
Spectrum Analysis Malus Trees Fruit Models, Theoretical Regression Analysis Plant Leaves Support Vector Machine Fabaceae
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Outlier detection and removal improves accuracy of machine learning approach to multispectral burn diagnostic imaging.

Journal of biomedical optics Dec 1, 2015
Multispectral imaging (MSI) was implemented to develop a burn tissue classification device to assist burn surgeons in planning and performing debridement surgery. To build a classification model via machine learning, training data accurately represen...
Sensitivity and Specificity Animals Swine Dermoscopy Reproducibility of Results Image Interpretation, Computer-Assisted Artifacts Spectrum Analysis Skin Burns Machine Learning Algorithms Optical Imaging Subtraction Technique Pattern Recognition, Automated Image Enhancement
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Discrimination of Maize Haploid Seeds from Hybrid Seeds Using Vis Spectroscopy and Support Vector Machine Method.

Guang pu xue yu guang pu fen xi = Guang pu Nov 1, 2015
Doubled haploid (DH) lines are routinely applied in the hybrid maize breeding programs of many institutes and companies for their advantages of complete homozygosity and short breeding cycle length. A key issue in this approach is an efficient screen...
Spectrum Analysis Breeding Haploidy Color Zea mays Seeds Principal Component Analysis Support Vector Machine
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Mimicking Martian dust: An in-vacuum dust deposition system for testing the ultraviolet sensors on the Curiosity rover.

The Review of scientific instruments Oct 1, 2015
We have designed and developed an in-vacuum dust deposition system specifically conceived to simulate and study the effect of accumulation of Martian dust on the electronic instruments of scientific planetary exploration missions. We have used this d...
Robotics Equipment Design Motion Spectrum Analysis Ultraviolet Rays Models, Theoretical Dust Temperature United States Radiation Equipment and Supplies Spacecraft Vacuum Electrical Equipment and Supplies Mars Pressure Gravitation United States National Aeronautics and Space Administration Extraterrestrial Environment
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[Estimation of Winter Wheat Biomass Using Visible Spectral and BP Based Artificial Neural Networks].

Guang pu xue yu guang pu fen xi = Guang pu Sep 1, 2015
The objective of this study was to evaluate the feasibility of using color digital image analysis and back propagation (BP) based artificial neural networks (ANN) method to estimate above ground biomass at the canopy level of winter wheat field. Digi...
Neural Networks, Computer Biomass Color Triticum Nitrogen Spectrum Analysis
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[Purity Detection Model Update of Maize Seeds Based on Active Learning].

Guang pu xue yu guang pu fen xi = Guang pu Aug 1, 2015
Seed purity reflects the degree of seed varieties in typical consistent characteristics, so it is great important to improve the reliability and accuracy of seed purity detection to guarantee the quality of seeds. Hyperspectral imaging can reflect th...
Zea mays Spectrum Analysis Models, Theoretical Machine Learning Seeds Algorithms
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[Non-destructive detection research for hollow heart of potato based on semi-transmission hyperspectral imaging and SVM].

Guang pu xue yu guang pu fen xi = Guang pu Jan 1, 2015
The quality of potato is directly related to their edible value and industrial value. Hollow heart of potato, as a physiological disease occurred inside the tuber, is difficult to be detected. This paper put forward a non-destructive detection method...
Plant Diseases Solanum tuberosum Models, Theoretical Algorithms Support Vector Machine Spectrum Analysis Agriculture
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