Airport Detection Based on a Multiscale Fusion Feature for Optical Remote Sensing Images
发布日期：2017-10-12 15:45:58 阅读次数：次 作者：
核心提示：来源出版物: IEEE GEOSCIENCE AND REMOTE SENSING LETTERS
作者: Xiao, ZF (Xiao, Zhifeng); Gong, YP (Gong, Yiping); Long, Y (Long, Yang); Li, DR (Li, Deren); Wang, XY (Wang, Xiaoying); Liu, H (Liu, Hua)
摘要: Automatically detecting airports from remote sensing images has attracted significant attention due to its importance in both military and civilian fields. However, the diversity of illumination intensities and contextual information makes this task difficult. Moreover, auxiliary features both within and surrounding the regions of interest are usually ignored. To address these problems, we propose a novel method that uses a multiscale fusion feature to represent the complementary information of each region proposal, which is extracted by constructing a GoogleNet with a light feature module model that has an additional light fully connected layer. Then, the fusion feature is input to a support vector machine whose performance is enhanced using a hard negative mining method. Finally, a simplified localization method is applied to tackle the problem of box redundancy and to optimize the locations of airports. An experiment demonstrates that the fusion feature outperforms other features on airport detection tasks from remote sensing images containing complicated contextual information.
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