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A remote sensing image change detection method and device

A technology for remote sensing image and change detection, which is applied to instruments, scene recognition, calculation, etc., can solve problems such as low accuracy of remote sensing image change detection, and achieve the effect of improving accuracy and reducing uncertainty.

Active Publication Date: 2022-06-28
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a remote sensing image change detection method and device to solve the problem in the prior art that the use of a single spectral feature leads to low detection accuracy of remote sensing image changes

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  • A remote sensing image change detection method and device
  • A remote sensing image change detection method and device
  • A remote sensing image change detection method and device

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Experimental program
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Embodiment 1

[0055] like figure 1 As shown, the remote sensing image change detection method provided by the embodiment of the present invention includes:

[0056]Obtaining multi-source information for detecting whether remote sensing images have changed, wherein the multi-source information includes: geographic information, land classification results in the automatically labeled remote sensing images, and remote sensing image change labels, administrative division spatial planning information, and manual annotations. Land classification results and remote sensing image change labels in remote sensing images;

[0057] S101, performing grid processing on each source information to obtain grid data;

[0058] S102, for each grid data, take the center point of each grid as an information point, generate point data, and store the point data in a database with the coordinates of the information point as the primary key;

[0059] S103, perform neighborhood analysis on the information in the da...

Embodiment 2

[0129] The present invention also provides a specific embodiment of a remote sensing image change detection device. Since the remote sensing image change detection device provided by the present invention corresponds to the specific embodiment of the above-mentioned remote sensing image change detection method, the remote sensing image change detection device can perform the above-mentioned remote sensing image change detection device. The purpose of the present invention is achieved by the process steps in the specific embodiment of the method. Therefore, the explanations in the specific embodiment of the above-mentioned remote sensing image change detection method are also applicable to the specific embodiment of the remote sensing image change detection device provided by the present invention. The detailed description will not be repeated in the following specific implementation manner.

[0130] like Image 6 As shown, the embodiment of the present invention also provides ...

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Abstract

The invention provides a method and device for detecting changes in remote sensing images, which can reduce uncertainty in detecting changes in remote sensing images and improve the accuracy of detecting changes in remote sensing images. The method includes: obtaining multi-source information for detecting whether the remote sensing image changes; performing rasterization processing on each source information to obtain raster data; for each raster data, taking the center point of each raster as Information point, generate point data, store the point data in the database with the coordinates of the information point as the primary key; perform neighborhood analysis on the information in the database, obtain the spatial neighborhood features and store it in the database; obtain data from the database to generate a training set , training a remote sensing image change detection model, wherein the trained remote sensing image change detection model is used to detect whether a certain place has changed. The invention relates to the field of remote sensing image change detection.

Description

technical field [0001] The invention relates to the field of remote sensing image change detection, in particular to a remote sensing image change detection method and device. Background technique [0002] In the early stage of the development of remote sensing, change detection has become one of the application areas of widespread concern. With the development of computer, satellite sensor, information processing and other technologies in recent decades, the change detection of remote sensing images has received a lot of research and made significant progress in terms of theoretical system, technical methods, and application fields. Methods, including algebraic method, transformation method, model method and other methods, these methods carry out change detection tasks for different information from different perspectives. However, there is a lack of comprehensive utilization of multi-source information. For example, it often pays special attention to a single spectral fea...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06V20/13G06V10/764G06V10/74G06K9/62
CPCG06V20/13G06F18/22G06F18/241
Inventor 张德政何哲宇尹新宇李鹏
Owner UNIV OF SCI & TECH BEIJING