OVERLAP-BASED FEATURE WEIGHTING: THE FEATURE EXTRACTION OF HYPER SPECTRAL REMOTE SENSING IMAGERY

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IMANI M.; GHASSEMIAN H.

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Journal: JOURNAL OF ARTIFICIAL INTELLIGENCE AND DATA MINING Year:2015 | Volume:3 | Issue:2 Page(s): 181-190

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Information Journal Paper

Title

OVERLAP-BASED FEATURE WEIGHTING: THE FEATURE EXTRACTION OF HYPER SPECTRAL REMOTE SENSING IMAGERY

Author(s)

IMANI M. | GHASSEMIAN H. | Issue Writer Certificate

Keywords

CLASS DISCRIMINATIONQ2

OVERLAPQ2

FEATURE WEIGHTINGQ1

FEATURE EXTRACTIONQ2

HYPERSPECTRALQ1

Abstract

Hyperspectral sensors provide a large number of spectral bands. This massive and complex data structure of HYPERSPECTRAL images presents a challenge to traditional data processing techniques. Therefore, reducing the dimensionality of HYPERSPECTRAL images without losing important information is a very important issue for the remote sensing community. We propose to use OVERLAP-based FEATURE WEIGHTING (OFW) for supervised FEATURE EXTRACTION of HYPERSPECTRAL data. In the OFW method, the feature vector of each pixel of HYPERSPECTRAL image is divided to some segments. The weighted mean of adjacent spectral bands in each segment is calculated as an extracted feature. The less the OVERLAP between classes is, the more the CLASS DISCRIMINATION ability will be. Therefore, the inverse of OVERLAP between classes in each band (feature) is considered as a weight for that band. The superiority of OFW, in terms of classification accuracy and computation time, over other supervised FEATURE EXTRACTION methods is established on three real HYPERSPECTRAL images in the small sample size situation.

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APA: Copy

IMANI, M., & GHASSEMIAN, H.. (2015). OVERLAP-BASED FEATURE WEIGHTING: THE FEATURE EXTRACTION OF HYPER SPECTRAL REMOTE SENSING IMAGERY. JOURNAL OF ARTIFICIAL INTELLIGENCE AND DATA MINING, 3(2), 181-190. SID. https://sid.ir/paper/255369/en

Vancouver: Copy

IMANI M., GHASSEMIAN H.. OVERLAP-BASED FEATURE WEIGHTING: THE FEATURE EXTRACTION OF HYPER SPECTRAL REMOTE SENSING IMAGERY. JOURNAL OF ARTIFICIAL INTELLIGENCE AND DATA MINING[Internet]. 2015;3(2):181-190. Available from: https://sid.ir/paper/255369/en

IEEE: Copy

M. IMANI, and H. GHASSEMIAN, “OVERLAP-BASED FEATURE WEIGHTING: THE FEATURE EXTRACTION OF HYPER SPECTRAL REMOTE SENSING IMAGERY,” JOURNAL OF ARTIFICIAL INTELLIGENCE AND DATA MINING, vol. 3, no. 2, pp. 181–190, 2015, [Online]. Available: https://sid.ir/paper/255369/en

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