Convolutional neural network features based change detection in satellite images

Arabi Mohammed El Amin; Qingjie Liu; Yunhong Wang

doi:10.1117/12.2243798

11 July 2016 Convolutional neural network features based change detection in satellite images

Arabi Mohammed El Amin, Qingjie Liu, Yunhong Wang

Proceedings Volume 10011, First International Workshop on Pattern Recognition; 100110W (2016) https://doi.org/10.1117/12.2243798
Event: First International Workshop on Pattern Recognition, 2016, Tokyo, Japan

Abstract

With the popular use of high resolution remote sensing (HRRS) satellite images, a huge research efforts have been placed on change detection (CD) problem. An effective feature selection method can significantly boost the final result. While hand-designed features have proven difficulties to design features that effectively capture high and mid-level representations, the recent developments in machine learning (Deep Learning) omit this problem by learning hierarchical representation in an unsupervised manner directly from data without human intervention. In this letter, we propose approaching the change detection problem from a feature learning perspective. A novel deep Convolutional Neural Networks (CNN) features based HR satellite images change detection method is proposed. The main guideline is to produce a change detection map directly from two images using a pretrained CNN. This method can omit the limited performance of hand-crafted features. Firstly, CNN features are extracted through different convolutional layers. Then, a concatenation step is evaluated after an normalization step, resulting in a unique higher dimensional feature map. Finally, a change map was computed using pixel-wise Euclidean distance. Our method has been validated on real bitemporal HRRS satellite images according to qualitative and quantitative analyses. The results obtained confirm the interest of the proposed method.

Citation Download Citation

Arabi Mohammed El Amin, Qingjie Liu, and Yunhong Wang "Convolutional neural network features based change detection in satellite images", Proc. SPIE 10011, First International Workshop on Pattern Recognition, 100110W (11 July 2016); https://doi.org/10.1117/12.2243798

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