激光与光电子学进展, 2020, 57 (2): 022801, 网络出版: 2020-01-03
高分辨率影像分类提取建筑物轮廓的优化方法 
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Optimization of Building Contours by Classifying High-Resolution Images
图 & 表
图 1. 偏移阴影提取的建筑物初始结果。(a)原始遥感影像A;(b)建筑物初始结果A;(c)原始遥感影像B;(d)建筑物初始结果B
Fig. 1. Initial results of buildings extracted by shifted shadow analysis. (a) Original remote sensing image A; (b) initial result of building A; (c) original remote sensing image B; (d) initial result of building B
图 4. 建筑物边缘轮廓初步拟合效果。(a)原始遥感影像;(b)初始提取的建筑物结果;(c)初步拟合后的建筑物轮廓
Fig. 4. Preliminary fitting effect of building edge contour. (a) Original remote sensing image; (b) initial results of building extraction; (c) building contour after preliminary fitting
图 5. 建筑物轮廓与其最小面积外接矩形的倾斜程度。(a)一致;(b)不一致
Fig. 5. Inclination of building contour and its circumscribed rectangle with minimum area. (a) Consistent; (b) inconsistent
图 6. 多边形倾斜程度判断示意图。(a)总体倾斜程度为正;(b)总体倾斜程度为负
Fig. 6. Schematics for judging inclination of polygon. (a) Overall positive inclination; (b) overall negative inclination
图 7. 建筑物轮廓规整原理图。(a)轮廓等分示意图;(b) Hausdorff距离计算示意图
Fig. 7. Principles of regularization of building contour. (a) Schematic for dividing contour into equal segments; (b) schematic of Hausdorff distance calculation
图 9. 1#影像建筑物轮廓的提取结果对比。(a)原始遥感影像;(b)面向对象分割分类方法的提取结果;(c)基于偏移阴影分析方法的提取结果;(d)所提方法的提取结果
Fig. 9. Comparison of extraction results of building contour in image 1#. (a) Original remote sensing image; (b) extraction result by object-oriented segmentation and classification method; (c) extraction result by shifted shadow analysis method; (d) extraction result by proposed method
图 10. 2#影像建筑物轮廓的提取结果对比。(a)原始遥感影像;(b)面向对象分割分类方法的提取结果;(c)基于偏移阴影分析方法的提取结果;(d)所提方法的提取结果
Fig. 10. Comparison of extraction results of building contour in image 2#. (a) Original remote sensing image; (b) extraction result by object-oriented segmentation and classification method; (c) extraction result by shifted shadow analysis method; (d) extraction result by proposed method
图 11. 3#影像建筑物轮廓的提取结果对比。(a)原始遥感影像;(b)面向对象分割分类方法的提取结果;(c)基于偏移阴影分析方法的结果;(d)所提方法的提取结果
Fig. 11. Comparison of extraction results of building contour in image 3#. (a) Original remote sensing image; (b) extraction result by object-oriented segmentation and classification method; (c) extraction result by shifted shadow analysis method; (d) extraction result by proposed method
图 12. 4#影像建筑物轮廓的提取结果对比。(a)原始遥感影像;(b)面向对象分割分类方法的提取结果;(c)基于偏移阴影分析方法的提取结果;(d)所提方法的提取结果
Fig. 12. Comparison of extraction results of building contour in image 4#. (a) Original remote sensing image; (b) extraction result by object-oriented segmentation and classification method; (c) extraction result by shifted shadow analysis method; (d) extraction result by proposed method
图 13. 5#影像建筑物轮廓的提取结果对比。(a)原始遥感影像;(b)面向对象分割分类方法的提取结果;(c)基于偏移阴影分析方法的提取结果;(d)所提方法的提取结果
Fig. 13. Comparison of extraction results of building contour in image 5#. (a) Original remote sensing image; (b) extraction result by object-oriented segmentation and classification method; (c) extraction result by shifted shadow analysis method; (d) extraction result by proposed method
表 1图9 ~13中建筑物提取精度的对比
Table1. Comparison of precision of building extraction results shown in Figs. 9--13%
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王双喜, 杨元维, 常京新, 高贤君. 高分辨率影像分类提取建筑物轮廓的优化方法[J]. 激光与光电子学进展, 2020, 57(2): 022801. Wang Shuangxi, Yang Yuanwei, Chang Jingxin, Gao Xianjun. Optimization of Building Contours by Classifying High-Resolution Images[J]. Laser & Optoelectronics Progress, 2020, 57(2): 022801.
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