18 October 2016 Regions-of-interest extraction from remote sensing imageries using visual attention modelling
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Abstract
Processing and analysing large volume of remote sensing data is both labour intensive and time consuming. Therefore, there is a need to effectively and efficiently identify meaningful regions in these remote sensing data for timely resource management. In this paper, we propose a visual attention model for identifying regions-of-interest in remote sensing data. The proposed model incorporates both bottom-up spatial saliency and top-down objectness, by fusing a co-occurrence histogram saliency model with the BING objectness model. The co-occurrence histogram saliency model is constructed by first building a 2D co-occurrence histogram that captures co-occurrence and occurrence of image intensities, and then using the 2D co-occurrence histogram to model local and global saliency. On the other hand, the BING objectness model is constructed by resizing image intensities in variable-sized windows to 8x8 windows, and then using the norms of the gradients in the 8x8 windows as features to train a generic objectness measure. Our experimental results show that the proposed model can effectively and efficiently identify regions-of-interest in remote sensing data. The proposed model may be applied in various remote sensing applications such as anomaly detection, urban area detection, target detection, or land use classification.
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Hui Li Tan, Jiayuan Fan, Maria Toomik, Shijian Lu, "Regions-of-interest extraction from remote sensing imageries using visual attention modelling", Proc. SPIE 10004, Image and Signal Processing for Remote Sensing XXII, 100040N (18 October 2016); doi: 10.1117/12.2240749; https://doi.org/10.1117/12.2240749
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