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Land classification method based on high-resolution remote sensing image

A technology of remote sensing images and classification methods, applied in the field of deep learning, can solve the problems of slowing down network convergence and decreasing accuracy, and achieve the effect of improving accuracy, improving accuracy, and improving scientificity.

Pending Publication Date: 2020-11-27
TIANJIN UNIV
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AI Technical Summary

Problems solved by technology

ResNet can effectively solve the problems of slower network convergence and lower accuracy caused by increasing the number of neural network layers after the deep neural network grows to a certain depth.

Method used

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  • Land classification method based on high-resolution remote sensing image
  • Land classification method based on high-resolution remote sensing image
  • Land classification method based on high-resolution remote sensing image

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Embodiment Construction

[0026] The present invention will be described in further detail below through specific examples. The following examples are only descriptive, not restrictive, and cannot limit the protection scope of the present invention.

[0027] A land classification method based on high-resolution remote sensing images, characterized in that: the steps of the method are:

[0028] S0101: For the input data, cut a small image of (256, 256, 3) with 128 pixels as the step size slice, and cut the mask into a small mask of (256, 256, 1), and finally obtain the image—mask There are 8401 pairs of code pairs. After the cutting is completed, the small pictures and small masks are stored in the form of a dictionary. The key value corresponding to the picture is "images", and the key value corresponding to the mask is "masks"; the test set is taken before 1320 pairs of image-mask pairs, 1800 pairs of image-mask pairs of the data set for the verification set, and 5281 pairs of image-mask pairs for the...

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Abstract

The invention relates to a land classification method based on a high-resolution remote sensing image, and the application of the high-resolution remote sensing image can effectively achieve the dynamic monitoring of land utilization, and improves the scientificity of land management. By using the ERFNet in combination with the conditional random field (CRF), the semantic segmentation precision can be further improved on the basis of reducing computing resources, and the land use classification work can be better completed; and an efficient land use classification method plays an important role in promoting the development of land utilization, urban planning, environmental monitoring and military fields.

Description

technical field [0001] The invention belongs to the field of deep learning, relates to an image segmentation technology and a land use classification algorithm, uses a convolutional neural network as a basic tool, and particularly relates to a land classification method based on high-resolution remote sensing images. Background technique [0002] The full convolutional network replaces the fully connected layer in the convolutional neural network with a convolutional layer. Compared with the traditional convolutional neural network, the input image size of the full convolutional network does not need to be fixed, which facilitates the convolutional neural network in Applications in semantic segmentation, in addition to using deconvolutional layers for upsampling, generalized the use of convolutional networks for end-to-end semantic segmentation. At the same time, in order to improve the accuracy of semantic segmentation, the full convolutional network introduces skip connect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/34G06K9/62
CPCG06V20/13G06V10/267G06F18/24
Inventor 喻梅王新伟于健李雪威刘志强高洁应翔王一帆
Owner TIANJIN UNIV
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