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A remote sensing image change detection method and device

A remote sensing image and change detection technology, applied in the field of image processing, can solve the problem of low registration accuracy, achieve the effect of improving the registration degree and solving the problem of low registration accuracy

Active Publication Date: 2021-01-05
BEIJING AEROSPACE HONGTU INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the object of the present invention is to provide a remote sensing image change detection method and device to alleviate the technical problem of low registration accuracy of the existing remote sensing image change detection method

Method used

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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

[0028] According to an embodiment of the present invention, an embodiment of a remote sensing image change detection method is provided. It should be noted that the steps shown in the flow chart of the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions, and , although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0029] figure 1 is a flowchart of a remote sensing image change detection method according to an embodiment of the present invention, such as figure 1 As shown, the method includes the following steps:

[0030] Step S102, acquiring a remote sensing image to be compared, the remote sensing image to be compared includes: a first remote sensing image and a second remote sensing image, the first remote sensing image and the second remote sensing image are remote sensing images in adjacent phases; ...

Embodiment 2

[0092] The embodiment of the present invention also provides a remote sensing image change detection device, the remote sensing image change detection device is used to implement the remote sensing image change detection method provided by the above content of the embodiment of the present invention, the following is the remote sensing image change provided by the embodiment of the present invention A detailed description of the detection device.

[0093] Such as Figure 5 as shown, Figure 5 It is a schematic diagram of the above remote sensing image change detection device, which includes: an acquisition unit 10 , a processing unit 20 , a first construction unit 30 , a second construction unit 40 and a determination unit 50 .

[0094] The acquiring unit 10 is configured to acquire a remote sensing image to be compared, the remote sensing image to be compared includes: a first remote sensing image and a second remote sensing image, the first remote sensing image and the seco...

Embodiment 3

[0107] An embodiment of the present invention also provides an electronic terminal, including a memory and a processor, the memory is used to store a program that supports the processor to execute the method described in the first embodiment above, and the processor is configured to execute the program stored in memory.

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Abstract

The present invention provides a remote sensing image change detection method and device, which relate to the technical field of image processing, including: acquiring a remote sensing image to be compared, the remote sensing image to be compared includes: a first remote sensing image and a second remote sensing image, the first remote sensing image and The second remote sensing image is the remote sensing image of the adjacent time phase; use the fast texture algorithm to process the remote sensing image to be compared to obtain the input matrix, where the input matrix includes: the first input matrix and the second input matrix; use the RCVA algorithm and the input matrix , construct the mask matrix and the reorganization matrix of the second input matrix; use the slow feature analysis algorithm, the first remote sensing image and the recombination matrix to construct the binarization matrix; based on the mask matrix and the binarization matrix, determine the remote sensing image to be compared The change detection result solves the technical problem of low registration accuracy of existing remote sensing image change detection methods.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to a remote sensing image change detection method and device. Background technique [0002] Remote sensing technology has technical advantages such as macroscopic, dynamic, fast and accurate. With the continuous improvement of spatial and spectral resolution of spaceborne and airborne remote sensing images, people can obtain more useful data and information from remote sensing images. Land cover change detection based on two-phase remote sensing images is a hot and difficult issue in remote sensing technology research. Real-time and accurate acquisition of changes in the earth's surface cover is of great significance for environmental monitoring, resource management and sustainable development. [0003] In the prior art, the slow feature analysis algorithm is generally used to detect changes in remote sensing images. However, the slow feature analysis algorithm has the pro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00G06K9/46G06K9/62
CPCG06V20/13G06V10/40G06F18/22G06F18/24
Inventor 赵博王宇翔刘东升沈均平刘毅任芳
Owner BEIJING AEROSPACE HONGTU INFORMATION TECH