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Sensors 2016, 16(11), 1895;

A Data Transfer Fusion Method for Discriminating Similar Spectral Classes

Harbin Institute of Technology, School of Electronics and Information Engineering, Harbin 150001, China
Author to whom correspondence should be addressed.
Academic Editor: Lammert Kooistra
Received: 18 July 2016 / Revised: 5 November 2016 / Accepted: 8 November 2016 / Published: 14 November 2016
(This article belongs to the Special Issue Precision Agriculture and Remote Sensing Data Fusion)
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Hyperspectral data provide new capabilities for discriminating spectrally similar classes, but such class signatures sometimes will be difficult to analyze. To incorporate reliable useful information could help, but at the same time, may also lead increased dimensionality of the feature vector making the hyperspectral data larger than expected. It is challenging to apply discriminative information from these training data to testing data that are not in the same feature space and with different data distributions. A data fusion method based on transfer learning is proposed, in which transfer learning is introduced into boosting algorithm, and other out-date data are used to instruct hyperspectral image classification. In order to validate the method, experiments are conducted on EO-1 Hyperion hyperspectral data and ROSIS hyperspectral data. Significant improvements have been achieved in terms of accuracy compared to the results generated by conventional classification approaches. View Full-Text
Keywords: hyperspectral image; transfer learning; adaboost; fusion hyperspectral image; transfer learning; adaboost; fusion

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Wang, Q.; Zhang, J. A Data Transfer Fusion Method for Discriminating Similar Spectral Classes. Sensors 2016, 16, 1895.

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