激光与光电子学进展, 2021, 58 (3): 0314004, 网络出版: 2021-03-12
超分辨率重建在卫星平台颤振探测中的可行性
Feasibility of Super-Resolution Reconstruction in Satellite Platform Jitter Detection
图 & 表
图 2. 质心跟踪灰度加权定位方法示意图
Fig. 2. Schematic of gray weighted location based on centroid tracking
图 4. 激光光斑及三维显示结果。（a）原始图像；（b）原始图像的三维显示；（c）去噪后激光光斑图像；（d）去噪后激光光斑图像的三维显示
Fig. 4. Laser spot and three-dimensional display results. (a) Original image; (b) three-dimensional display of original image; (c) laser spot image after denoising; (d) three-dimensional display of laser spot image after denoising
图 5. 质心提取结果。（a）（b）灰度加权法x、y方向质心提取结果；（c）（d）高斯曲面拟合法x、y方向质心提取结果；（e）（f）椭圆拟合法x、y方向质心提取结果；（g）（h）本文方法x、y方向质心提取结果
Fig. 5. Results of centroid extraction. (a) (b) Gray-weighted method centroid extraction results in x and y directions; (c) (d) Gaussian surface fitting method centroid extraction results in x and y directions; (e) (f) ellipse fitting method extraction results in x and y directions; (g) (h) proposed method extraction results in x and y directions
图 6. 质心提取结果。（a）（b）灰度加权法x、y方向质心提取结果；（c）（d）高斯曲面拟合法x、y方向质心提取结果；（e）（f）椭圆拟合法x、y方向质心提取结果；（g）（h）本文方法x、y方向质心提取结果
Fig. 6. Results of centroid extraction. (a) (b) Gray-weighted method centroid extraction results in x and y directions; (c) (d) Gaussian surface fitting method centroid extraction results in x and y directions; (e) (f) ellipse fitting method extraction results in x and y directions; (g) (h) proposed method extraction results in x and y directions
表 1不同方法的质心定位精度对比结果
Table1. Comparison results of centroid positioning accuracy of different methods
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朱红, 谢俊峰, 吴向前, 孙广通, 刘小阳. 超分辨率重建在卫星平台颤振探测中的可行性[J]. 激光与光电子学进展, 2021, 58(3): 0314004. Zhu Hong, Xie Junfeng, Wu Xiangqian, Sun Guangtong, Liu Xiaoyang. Feasibility of Super-Resolution Reconstruction in Satellite Platform Jitter Detection[J]. Laser & Optoelectronics Progress, 2021, 58(3): 0314004.
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