Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Cloud detection method and system based on threshold and regularized least squares

A least-squares and least-squares technology, applied in character and pattern recognition, instruments, computer parts, etc., can solve problems such as low detection accuracy and low computational efficiency, and achieve improved computational efficiency, reduced complexity, and reduced classification. The effect of the number of classes

Active Publication Date: 2018-05-25
SATELLITE ENVIRONMENT CENT MINIST OF ENVIRONMENTAL PROTECTION +1
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the present invention provides a cloud detection method and system based on threshold and regularized least squares to solve the problem of low cloud detection accuracy and low computational efficiency of the remote sensing image data of the Ziyuan No. 3 satellite in the prior art. question

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Cloud detection method and system based on threshold and regularized least squares
  • Cloud detection method and system based on threshold and regularized least squares
  • Cloud detection method and system based on threshold and regularized least squares

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0037] An embodiment of the present invention provides a cloud detection method based on threshold and regularized least squares. The flowchart is as follows: figure 1 Shown, including:

[0038] S101: Use the threshold method to perform initial detection on remote sensing images, and obtain initial cloud data after detection;

[0039] The reflectivity of clouds in the visible light band is higher than that of vegetation, soil and water, espe...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The present invention provides a cloud detection method and system based on threshold and regularized least squares, including: using the threshold method to perform initial detection on remote sensing images, and obtaining initial cloud data after detection; Classify the above initial cloud data, and obtain the classified cloud data. The cloud detection method and system based on threshold and regularized least squares provided by the present invention first uses the threshold method to perform initial detection on remote sensing images and obtains the initial cloud data after detection, and then uses the regularized least squares method to detect the initial cloud data. Classify the data and obtain the classified cloud data, which greatly improves the accuracy of cloud detection, and, after the initial detection, reduces the number of classes classified using regularized least squares, thereby reducing the computational complexity and improving Computational efficiency of cloud detection.

Description

Technical field [0001] The present invention relates to the technical field of environmental monitoring, and more specifically, to a cloud detection method and system based on threshold and regularized least squares. Background technique [0002] Although the remote sensing images of remote sensing satellites are of great significance to infrastructure construction, resource development and utilization, and prevention of natural disasters. However, in the process of using remote sensing images to obtain surface and atmospheric data, obstacle clouds will interfere with the data, which greatly reduces the effective utilization of surface and atmospheric data. Based on this, how to accurately perform cloud detection and realize the separation of clouds and clear skies is an important part of remote sensing image preprocessing, and it is also a basic work necessary to retrieve various parameters of the atmosphere and the surface. [0003] At present, there are many cloud detection alg...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/62
CPCG06F18/2415
Inventor 王桥朱利李家国殷亚秋吴传庆王雪蕾姚延娟吴迪
Owner SATELLITE ENVIRONMENT CENT MINIST OF ENVIRONMENTAL PROTECTION
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com