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Hyperspectral imagery

Collaborative Representation and Sparsity are Both Indispensable for Hyperspectral Imagery Classification

Collaborative Representation and Sparsity are Both Indispensable for Hyperspectral Imagery Classification

... In addition, it is almost impossible for us to obtain labeled samples of every class for training in hyperspectral imagery scene. In other words, we may have no training sample allied to a given query pixel ...

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Classification of hyperspectral imagery with neural networks: comparison to conventional tools

Classification of hyperspectral imagery with neural networks: comparison to conventional tools

... for hyperspectral classifi- cations than for lower-dimensionality ...data. Hyperspectral dimensionality poses a difficult challenge for rigorous per- formance evaluations because of the unavailability of ...

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The classification of hill country vegetation from hyperspectral imagery

The classification of hill country vegetation from hyperspectral imagery

... In this paper hyperspectral imagery of two hill country farms are classified in order to produce a map of vegetation distribution on each. The first example deals with the need for highly accurate pasture ...

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Clustering Hyperspectral Imagery for Improved Adaptive Matched Filter Performance

Clustering Hyperspectral Imagery for Improved Adaptive Matched Filter Performance

... Hyperspectral imagery (HSI) is a method used to collect contiguous data across a large swath of the electromagnetic ...a hyperspectral image depends on the resolution of the camera and the size of ...

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Classification of high dimensional and imbalanced hyperspectral imagery data

Classification of high dimensional and imbalanced hyperspectral imagery data

... Abstract. The present paper addresses the problem of the classification of hyper- spectral images with multiple imbalanced classes and very high dimensionality. Class imbalance is handled by resampling the data set, ...

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Classification of Grassland Successional Stages Using Airborne Hyperspectral Imagery

Classification of Grassland Successional Stages Using Airborne Hyperspectral Imagery

... of hyperspectral wavebands and PLS-DA, indicating that fine-scale hyperspectral measurements are able to accurately identify grassland successional stages within a local ...Eagle hyperspectral ...

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A Review of Unsupervised Spectral Target Analysis for Hyperspectral Imagery

A Review of Unsupervised Spectral Target Analysis for Hyperspectral Imagery

... knowledge. In particular, the spectral targets of interest in this paper are specified by sample intrapixel spectral infor- mation statistics (SIS) which characterizes spectral targets into two categories, 2nd order ...

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Matrix-Vector Nonnegative Tensor Factorization for Blind Unmixing of Hyperspectral Imagery

Matrix-Vector Nonnegative Tensor Factorization for Blind Unmixing of Hyperspectral Imagery

... Abstract—Many spectral unmixing approaches ranging from geometry, algebra to statistics have been proposed, in which nonnegative matrix factorization (NMF) based ones form an important family. The original NMF based ...

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Characterization and Reduction of Noise in Manifold Representations of Hyperspectral Imagery

Characterization and Reduction of Noise in Manifold Representations of Hyperspectral Imagery

... sensed hyperspectral images. The ENH-ISOMAP[4] designed for hyperspectral imagery addresses this problem by adopt- ing the landmark ISOMAP algorithm[5], which uses a subset of data points to estimate ...

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Use of airborne hyperspectral imagery to determine quality of sorghum crops

Use of airborne hyperspectral imagery to determine quality of sorghum crops

... satellite hyperspectral imagery may improve our ability to identify differences in grain weight and quality, the latter by mapping grain protein and N ...of hyperspectral imagery to predict ...

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Neural network for aerosol retrieval from hyperspectral imagery

Neural network for aerosol retrieval from hyperspectral imagery

... future hyperspectral spaceborne instruments, such as the Hyperspectral Precursor and Application Mission (PRISMA) (Labate et ...the Hyperspectral Infrared Imager (HyspIRI) (Lee et ...from ...

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Application of Local Supervised Feature Selection Approach to Target Detection in Hyperspectral Imagery

Application of Local Supervised Feature Selection Approach to Target Detection in Hyperspectral Imagery

... Hyperspectral imagery (HSI) provides scientists with various applications such as improved classification map production (Landgrebe, 1999), subpixel target and anomaly detection (Xue, et ...by ...

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Nitrogen status assessment for variable rate fertilization in maize through hyperspectral imagery

Nitrogen status assessment for variable rate fertilization in maize through hyperspectral imagery

... aerial imagery [45,46] and from sensors onboard agricultural machineries to drive fertilization rates in real time ...and hyperspectral imagery at sub-metric spatial resolution ...

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Hyperspectral imagery super-resolution by sparse representation and spectral regularization

Hyperspectral imagery super-resolution by sparse representation and spectral regularization

... the hyperspectral imagery ’ s spatial resolu- ...for hyperspectral aerial and space remote sensing. Based on the hyperspectral imaging model [5], the super-resolution task is cast as the ...

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Spectral discrimination and classification of sugarcane varieties using EO-1 hyperion hyperspectral imagery

Spectral discrimination and classification of sugarcane varieties using EO-1 hyperion hyperspectral imagery

... Some limitations of the “traditional” classification algorithms to classify hyperspectral imagery may be a possible reason for the low classification accuracy. For instance, initial results of a study using ...

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Automatic change detection in remotely sensed hyperspectral imagery (Case study: wetlands and waterbodies)

Automatic change detection in remotely sensed hyperspectral imagery (Case study: wetlands and waterbodies)

... sensing imagery can be divided into five ...using hyperspectral imagery, it is inevitable to use dimension reduction procedures due to Hughes phenomenon (Samadzadegan et ...use hyperspectral ...

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Noise Reduction in Hyperspectral Imagery: Overview and Application

Noise Reduction in Hyperspectral Imagery: Overview and Application

... Abstract: Hyperspectral remote sensing is based on measuring the scattered and reflected electromagnetic signals from the Earth’s surface emitted by the ...for hyperspectral imagery. In the past ...

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Change Detection Methods for Hyperspectral Imagery

Change Detection Methods for Hyperspectral Imagery

... In the remote-sensing community, it is common to utilize linear transformation for CD analysis. A number of image analysis approaches to CD are linear techniques, meaning a change at each image location is associated ...

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A Comparative Analysis of Kernel Subspace Target Detectors for Hyperspectral Imagery

A Comparative Analysis of Kernel Subspace Target Detectors for Hyperspectral Imagery

... Several linear and nonlinear detection algorithms that are based on spectral matched (subspace) filters are compared. Nonlinear (kernel) versions of these spectral matched detectors are also given and their performance ...

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Towards agreed data quality layers for airborne hyperspectral imagery

Towards agreed data quality layers for airborne hyperspectral imagery

... Inclusion of QC into PAF workflow QL(4,5) position problem attitude problem QL(3) saturated pix QL(4,5) position problem attitude problem QL(3) saturated pix Data descriptors QL(6) Clou[r] ...

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