张煜, 张祖勋, 张剑清. 几何约束与影像分割相结合的快速半自动房屋提取[J]. 武汉大学学报 ( 信息科学版), 2000, 25(3): 238-242.
引用本文: 张煜, 张祖勋, 张剑清. 几何约束与影像分割相结合的快速半自动房屋提取[J]. 武汉大学学报 ( 信息科学版), 2000, 25(3): 238-242.
ZHANG Yu, ZHANG Zuxun, ZHANG Jianqing. House Semi-automatic Extraction Based on Integration of Geometrical Constraints and Image Segmentation[J]. Geomatics and Information Science of Wuhan University, 2000, 25(3): 238-242.
Citation: ZHANG Yu, ZHANG Zuxun, ZHANG Jianqing. House Semi-automatic Extraction Based on Integration of Geometrical Constraints and Image Segmentation[J]. Geomatics and Information Science of Wuhan University, 2000, 25(3): 238-242.

几何约束与影像分割相结合的快速半自动房屋提取

House Semi-automatic Extraction Based on Integration of Geometrical Constraints and Image Segmentation

  • 摘要: 通过充分利用影像中的几何信息,针对航空影像中常见的平顶直角型和人字型房屋,提出了一种几何约束与影像分割相结合的快速半自动房屋提取方法。实验结果证明,该方法方便快捷、行之有效。

     

    Abstract: In this paper, a new approach was introduced to extract house from aerial image.This approach can reduce the interaction of operator using the semi-automatic extraction that integrates geometrical constraints and image segmentation.We use segmentation to find boundaries of building whose shape is a single or a composition of rectangular parallelepipeds (thus allowing "L", "T" and "I" shapes for examples).The segmentation is based on line extraction.Therefore, the house edge can be acquired exactly. The edge of building roof, whose shape likes a "人"-a Chinese character, can be also found through analyzing its structure.This analysis is based on result of segmentation of the image.The experimental results show that the methods introduced in this paper are practical and improve the work efficiency.

     

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