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The Study on Building Outline Extraction in High-Resolution Remote Sensing Image

Author: WangRunFang
Tutor: XiaChunLin
School: Liaoning Technical University
Course: Photogrammetry and Remote Sensing
Keywords: Building outline extraction Image Segmentation Building outline optimization Hough transform Image classification
CLC: TP751
Type: Master's thesis
Year: 2008
Downloads: 85
Quote: 1
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Abstract


With the commercial remote sensing satellites were launched successfully, high-resolution remote sensing imagery has become progressively more abundant. Because of its large amount of information, quick access, timeliness, and a reasonable economic cost, It plays an increasingly important role in the national economy. So the technology of extracting information of the remote sensing images once become a hot research again. Building is the most important element of the cities, therefore, constructing the precise outline of buildings is very important in many projects.This paper studies the typical buildings in the high-resolution remote sensing images. There are two ways to extract the outline of buildings: one is based on the edge of the buildings, through the removal noise, the growth of the region, and other image processing methods to exclude the most of the non-pixels which belong to the building edge , And then through the edge detection, linear programming method to extract the final shape of buildings. The other is based on the characteristics of buildings, in the support of multi-scale partition technical , the image will be divided into a number of polygon objects, according to various characteristics of the buildings , every polygon object will be screened and extracted, and then adopts mathematical morphology processing technology to optimize the shape of the object in order to show the authentic outline of buildings. And the results showed that both methods have a good effect.

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CLC: > Industrial Technology > Automation technology,computer technology > Remote sensing technology > Interpretation, identification and processing of remote sensing images > Image processing methods
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