搜索结果: 1-15 共查到“理学 Feature”相关记录44条 . 查询时间(0.109 秒)
Researchers lift curtain on key feature of interfacial electrochemistry
界面化学 电化学 关键特征
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2023/5/18
Materials scientists at Cornell have developed a method for better understanding the complex electrochemical reactions that occur at the interface of water and metal surfaces – an approach that will u...
Common feature of cancer cells may also be their Achilles' heel（图）
Common feature cancer cells Achilles' heel
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2019/10/22
In a study using yeast cells and data from cancer cell lines, Johns Hopkins University scientists report finding a potential weak spot in cancer cells that have extra sets of chromosomes, the structur...
A MULTI THREADED FEATURE EXTRACTION TOOL FOR SAR IMAGES USING OPEN SOURCE SOFTWARE LIBRARIES
software architecture feature extraction SAR images remote sensing applications algorithms of high complexity multi-threaded platform
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2019/2/27
In this paper, we propose a software architecture for a feature extraction tool which is suitable for automatic extraction of sparse features from large remote sensing data capable of using higher ord...
ALEXNET FEATURE EXTRACTION AND MULTI-KERNEL LEARNING FOR OBJECTORIENTED CLASSIFICATION
AlexNet GLCM texture Multi-kernel learning Object-oriented classification feature extraction SVM
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2018/5/11
In view of the fact that the deep convolutional neural network has stronger ability of feature learning and feature expression, an exploratory research is done on feature extraction and classification...
RESEARCH ON OPTIMAL OBSERVATION SCALE FOR DAMAGED BUILDINGS AFTER EARTHQUAKE BASED ON OPTIMAL FEATURE SPACE
Optimal Feature Space Damaged Buildings ESP Scale Accuracy
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2018/5/11
A new information extraction method of damaged buildings rooted in optimal feature space is put forward on the basis of the traditional object-oriented method. In this new method, ESP (estimate of sca...
FEATURE RELEVANCE ASSESSMENT OF MULTISPECTRAL AIRBORNE LIDAR DATA FOR TREE SPECIES CLASSIFICATION
Multispectral Lidar 3D point clouds Intensity Tree Species Classification Feature Analysis
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2018/5/11
The presented experiment investigates the potential of Multispectral Laser Scanning (MLS) point clouds for single tree species classification. The basic idea is to simulate a MLS sensor by combining t...
OPTIMIZING RADIOMETRIC PROCESSING AND FEATURE EXTRACTION OF DRONE BASED HYPERSPECTRAL FRAME FORMAT IMAGERY FOR ESTIMATION OF YIELD QUANTITY AND QUALITY OF A GRASS SWARD
Hyperspectral Photogrammetry Calibration Feature Estimation
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2018/5/15
Light-weight 2D format hyperspectral imagers operable from unmanned aerial vehicles (UAV) have become common in various remote sensing tasks in recent years. Using these technologies, the area of inte...
Penn Engineers Show Key Feature for Modeling How Cells Spread in Fibrous Environments
Penn Engineers Cells Spread Fibrous Environments
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2017/7/20
One area of research within mechanobiology, the study of how physical forces influence biological processes, is on the interplay between cells and their environment and how it impacts their ability to...
Tsunami of Stars and Gas Produces Dazzling Eye-shaped Feature in Galaxy
Tsunami Stars Gas Dazzling Eye-shaped Galaxy
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2016/11/29
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered a tsunami of stars and gas that is crashing midway through the disk of a spiral galaxy known as IC 2163. This ...
A fast-moving feature of westward drift
Geomagnetic field westward drift
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2015/10/8
he dominant feature in the magnetic declination record at all European sites for which adequate data are available is a minimum between 1750 and 1860. The time of minimum at different sites correlates...
CONVEYING LOCAL AND GLOBAL EFFECTS OF SEA LEVEL RISE WITHIN AN HDTV FEATURE FILM PRODUCTION
Sea Level Rise cryosphere public education 3d geovisualization
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2015/9/28
New York’s American Museum of Natural History produces and distributes original geovisualizations to a potential audience
exceeding 20 million in the United States, Canada, and Australia via its own...
Higher Criticism Thresholding: Optimal Feature Selection when Useful Features are Rare and Weak
Criticism Thresholding Feature Selection
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2015/8/21
Linear classi cation analysis is a fundamental tool for science
and technology. In important application elds today { genomics and proteomics are examples { one automatically obtains very high-dimen...
Feature Extraction for Nonparametric Discriminant Analysis
ClassiŽ cation Density estimation Dimension reduction LDA Projection pursuit Reduced-rankmodel SAVE
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2015/8/21
In high-dimensional classification problems, one is often interested in ?? finding a few important discriminant directions in order to reduce the dimensionality.Fisher’s linear discriminant analysis(L...
“PRECONDITIONING” FOR FEATURE SELECTION AND REGRESSION IN HIGH-DIMENSIONAL PROBLEMS
Model selection prediction error lasso
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2015/8/21
We consider regression problems where the number of predictors greatly exceeds the number of observations. We propose a method for variable selection that first estimates the regression function, yiel...
A fused lasso latent feature model for analyzing multi-sample aCGH data
Cancer DNA copy number False discovery rate Mutation
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2015/8/21
Array-based comparative genomic hybridization (aCGH) enables the measurement of DNA copy number across thousands of locations in a genome. The main goals of analyzing aCGH data are to identify the reg...