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High-resolution remote sensing image change detection method based on twin convolutional neural network

A technology of convolutional neural network and remote sensing image, which is applied in the field of high-resolution remote sensing image change detection based on twin convolutional neural network, to achieve the effect of improving efficiency, wide application range, and reducing manpower burden

Pending Publication Date: 2020-05-15
BEIJING RES INST OF URANIUM GEOLOGY
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Problems solved by technology

[0007] Aiming at the problems existing in the prior art, the present invention provides a high-resolution remote sensing image change detection method based on a twin convolutional neural network, applying the convolutional neural network technology to the field of high-resolution remote sensing image change detection, and constructing a fusion high- and low-dimensional The feature twin convolutional neural network is trained layer by layer to extract features independently, avoiding the problem of information omission that may occur in the process of manual calculation and feature selection, and improving the accuracy of change detection

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[0033] A high-resolution remote sensing image change detection method based on a twin convolutional neural network provided by the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0034] Such as figure 1 As shown, a high-resolution remote sensing image change detection method based on a twin convolutional neural network provided by the present invention includes the following steps:

[0035] Step 1, make a sample dataset.

[0036] Step 1.1, select high-resolution remote sensing images of two time phases in the same area, including three channels of R, G, and B. The specific selection principle: select remote sensing images shot in different years with similar dates and climate and meteorological conditions to ensure that the two sets of remote sensing The spatial resolution of the image is consistent, and the same preprocessing method is used to eliminate non-significant changes caused by geo...

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Abstract

The invention belongs to the technical field of optical remote sensing image change detection, and particularly relates to a high-resolution remote sensing image change detection method based on a twin convolutional neural network. The method comprises the following steps: 1, making a sample data set; 2, constructing a twin convolutional neural network model; 3, training a twin convolutional neural network model; 4, model prediction is carried out, and a change detection initial result is output; and 5, carrying out post-processing on the initial result to obtain a final change detection result. According to the method, the convolutional neural network technology is applied to the field of high-resolution remote sensing image change detection, and the twin convolutional neural network fusing high-dimensional features and low-dimensional features is constructed to train and autonomously extract the features layer by layer, so that the problem of information omission possibly occurring in manual calculation and feature selection processes is avoided, and the change detection precision is improved.

Description

technical field [0001] The invention belongs to the technical field of optical remote sensing image change detection, and in particular relates to a high-resolution remote sensing image change detection method based on a twin convolutional neural network. Background technique [0002] Change detection is an important research direction in the field of remote sensing, and it has a wide range of applications in civilian and military applications, such as military target monitoring, battlefield intelligence analysis, land inspection, disaster assessment, urban planning and other fields. The change detection of remote sensing images is the process of quantitatively analyzing and determining the changes of ground features from remote sensing images of different periods, which involves the description of the type of change, distribution and change information, that is, it is necessary to determine the types of ground features before and after the change, and analyze the changes. A...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00G06N3/04G06N3/08G06K9/62
CPCG06T7/0002G06N3/084G06T2207/10032G06N3/045G06F18/214
Inventor 田青林秦凯陈雪娇伊丕源余长发
Owner BEIJING RES INST OF URANIUM GEOLOGY
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