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Method for fast identifying building image on the basis of morphology

A technology based on morphology and buildings, applied in the field of geographic information science, can solve the problems of poor robustness and slow recognition speed, and achieve the effect of good robustness, fast recognition speed and obvious effect.

Active Publication Date: 2015-11-11
SOUTHEAST UNIV
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Problems solved by technology

[0003] Purpose of the invention: Aiming at the above-mentioned prior art, a method for fast recognition of building images based on morphology is proposed, which solves the problems of slow building recognition speed and poor robustness, and realizes the purpose of fast and accurate recognition of building images

Method used

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  • Method for fast identifying building image on the basis of morphology

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Embodiment Construction

[0022] The present invention will be further explained below in conjunction with the accompanying drawings.

[0023] Such as figure 1 As shown, a method for fast recognition of building images based on morphology, specifically:

[0024] S1, use the canny operator to extract the edge of the image to obtain a binary image, and then perform scanning and tracking of the target contour on the binary image through the eight-neighborhood contour tracking algorithm, and obtain n tracking curves composed of tracking scanning points.

[0025] Such as figure 2 As shown, the target contour is scanned and tracked on the binary image through the eight-neighborhood contour tracking algorithm, specifically: the first point scanned is recorded as the starting point of the tracking, starting from the starting point of the tracking in the binary image, according to the neighborhood The scanning sequence scans and tracks its eight neighborhoods, marks the scanned scanning points, and continues...

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Abstract

The invention discloses a method for fast identifying a building image on the basis of morphology. The method fully utilizes a morphological characteristic, different from those of other natural objects, of a building and is used in a building image fast identifying system. After image object contour tracking and linear simplification interference-removing processing is performed, whether the building exists in an image is fast and accurately determined by a horizontal and vertical topological relation of the building. Thus, the building is identified.

Description

technical field [0001] The invention relates to a method for quickly recognizing building images based on morphology, which belongs to the field of geographic information science. Background technique [0002] When carrying out land monitoring of national land resources, it is often necessary to identify whether the monitoring area of ​​the camera is land, farmland or buildings. The traditional and general methods are based on remote sensing recognition and texture feature recognition, and these two recognition methods are real-time. There is a big problem, based on remote sensing data, the speed is slow and the efficiency is low; when recognizing building images based on texture features, the speed is slow and the stability is poor, and it is easily affected by other external environmental changes and light, and the robustness is not good. Contents of the invention [0003] Purpose of the invention: Aiming at the above-mentioned prior art, a method for fast recognition of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00
CPCG06V20/176
Inventor 张小国王庆任阳任胜
Owner SOUTHEAST UNIV
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