A Ground Moving Target Detection Approach Based on Shadow Feature With Multichannel High-Resolution Synthetic Aperture Radar

作者：Xu, Huajian; Yang, Zhiwei^*; Chen, Guozhong; Liao, Guisheng; Tian, Min

来源：IEEE Geoscience and Remote Sensing Letters, 2016, 13(10): 1572-1576.

DOI：10.1109/LGRS.2016.2597159

• Ground moving target indication (GMTI)
• shadow feature
• synthetic aperture radar (SAR)

With the observation distance of the radar increasing, the multichannel high-resolution synthetic aperture radar system may suffer from the reduction of the target signal-to-noise ratio, which leads to degradation in the detection performance for ground moving target indication (GMTI). Fortunately, the shadow feature, apart from the amplitude and interferometric phase of a moving target, may be available to improve the performance for target detection. In this letter, according to the geometric relationships between the moving object and its shadow in position and size, a shadow-aided method for GMTI is proposed. In addition, an efficient shadow detection method based on multifeature fusion is discussed to improve the shadow detection performance. Finally, numerical simulation results show that the shadow-aided method has a better detection performance, compared with the traditional detection algorithms.

• 出版日期2016-10
• 单位上海卫星工程研究所; 西安电子科技大学