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A remote sensing recognition method and system for construction progress of urban buildings

A technology for construction progress and remote sensing recognition, applied in character and pattern recognition, instruments, calculations, etc., can solve problems such as the inability to meet the accuracy and efficiency of cities, rapid development of illegal activities, etc., to increase the level of accuracy and intelligence, improve efficiency, and save cost effect

Active Publication Date: 2022-05-31
GUILIN UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the accuracy and efficiency of remote sensing extraction of buildings and their construction progress information based on building morphology index and multi-temporal change detection technology cannot meet the needs of rapid urban development and illegal building monitoring and affordable housing management.

Method used

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  • A remote sensing recognition method and system for construction progress of urban buildings
  • A remote sensing recognition method and system for construction progress of urban buildings
  • A remote sensing recognition method and system for construction progress of urban buildings

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0044] a) For the foundation stage, obtain the characteristic image of the foundation stage through gray linear transformation and principal component analysis. to high

[0047] In order to enhance the clarity of the multi-band image, k is taken as 2, and b is taken as 20 in this embodiment. For each band of the image, the

[0048] b) For the buildings in the construction stage and the capping stage, the texture features of the images are extracted. The enhancement is extracted by formula (1)

[0051]

[0052]

[0054] c) For the building in the construction stage, extract the geometric corner features of the building. Enhance the original graph by formula (1)

[0056]

[0058]

[0059]

[0061]

[0063]

[0064] In the formula, G is a binary Gaussian function, σ is the width of the Gaussian filter, and σ is taken as 1 in this example.

[0067] In the formula, R is the corner response function, and k is a constant, and this example k takes 0.05.

[0068] When the corner respons...

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Abstract

The invention discloses a remote sensing identification method for construction progress of urban buildings. The method includes: obtaining high-resolution remote sensing images and performing preprocessing; dividing the images into four stages of foundation stage, construction stage, topping stage, and completion stage images, and extracting image features according to different construction stages; creating a sample set and establishing a sample database; Design network models and parameters; classify and identify images at different construction stages; extract building construction locations and boundary contours. The present invention also provides a system for improving the remote sensing recognition efficiency of construction progress of urban buildings by using cloud computing, including: a spatial database; a data processing module; a GIS cloud service platform; a GIS convolutional network cloud computing module; a statistical analysis cloud computing module; Building construction stage type diagram output module. The disclosed method and system can improve the accuracy and efficiency of building identification in different construction stages, and meet the needs of building construction progress identification in the era of urban remote sensing big data.

Description

A remote sensing identification method and system for urban building construction progress technical field The present invention relates to different construction stage buildings remote sensing identification technology field, be specifically related to a kind of based on depth volume A method and system for remote sensing identification of urban building construction progress based on DCNN and cloud computing. Background technique With the acceleration of urbanization in my country, the rapid development of urban expansion and urbanization, the number of buildings in urban construction More and more, many of them are social security houses and illegally constructed buildings. The city management department urgently needs to timely Master the building space location and area information of the construction progress (foundation, mid-construction, back cover, and completion) of different buildings in the city. for In order to understand and obtain the construction pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06V20/10G06V10/764G06V10/80G06K9/62
CPCG06V20/176G06V20/39G06F18/253Y02A30/60
Inventor 李百寿刘聪娜张越
Owner GUILIN UNIVERSITY OF TECHNOLOGY