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Proceedings Paper

On data augmentation for segmenting hyperspectral images
Author(s): Jakub Nalepa; Michal Myller; Michal Kawulok; Bogdan Smolka
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Paper Abstract

Data augmentation is a popular technique which helps improve generalization capabilities of deep neural net- works, and can be perceived as implicit regularization. It is widely adopted in scenarios where acquiring high- quality training data is time-consuming and costly, with hyperspectral satellite imaging (HSI) being a real-life example. In this paper, we investigate data augmentation policies (exploiting various techniques, including generative adversarial networks applied to elaborate artificial HSI data) which help improve the generalization of deep neural networks (and other supervised learners) by increasing the representativeness of training sets. Our experimental study performed over HSI benchmarks showed that hyperspectral data augmentation boosts the classification accuracy of the models without sacrificing their real-time inference speed.

Paper Details

Date Published: 14 May 2019
PDF: 8 pages
Proc. SPIE 10996, Real-Time Image Processing and Deep Learning 2019, 1099609 (14 May 2019); doi: 10.1117/12.2519517
Show Author Affiliations
Jakub Nalepa, Silesian Univ. of Technology (Poland)
KP Labs Sp. z o.o. (Poland)
Michal Myller, Silesian Univ. of Technology (Poland)
KP Labs Sp. z o.o. (Poland)
Michal Kawulok, Silesian Univ. of Technology (Poland)
KP Labs Sp. z o.o. (Poland)
Bogdan Smolka, Silesian Univ. of Technology (Poland)


Published in SPIE Proceedings Vol. 10996:
Real-Time Image Processing and Deep Learning 2019
Nasser Kehtarnavaz; Matthias F. Carlsohn, Editor(s)

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