Supercharge Your Innovation With Domain-Expert AI Agents!

Reconstruction method of lightning three-dimensional images based on images and stereoscopic vision

A stereoscopic vision and three-dimensional image technology, applied in image analysis, image data processing, 3D modeling, etc., can solve problems such as difficult to obtain lightning occurrence and development process

Inactive Publication Date: 2012-07-25
HUAZHONG UNIV OF SCI & TECH
View PDF3 Cites 10 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, lightning location mainly uses VLF and LF to locate cloud and ground lightning, which are used to monitor the area where lightning occurs, and it is difficult to obtain the occurrence and development process of lightning

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
  • Reconstruction method of lightning three-dimensional images based on images and stereoscopic vision
  • Reconstruction method of lightning three-dimensional images based on images and stereoscopic vision
  • Reconstruction method of lightning three-dimensional images based on images and stereoscopic vision

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0046] The concrete real-time mode of the present invention comprises the following steps:

[0047] S1: Calibrate two or more cameras in a long-distance unified world coordinate system, and find the internal parameter matrix of each camera and the rotation matrix and translation matrix of each camera relative to the world coordinate system;

[0048] S2: Use two or more cameras to simultaneously capture images of lightning in the sky;

[0049] S3: Remove the background information in the image to obtain the lightning part, and extract the central curve containing only one pixel from the double contour of the lightning part as the final contour curve;

[0050] S4: Image matching of lightning contours using epipolar constraints and slope cross-correlation;

[0051] S5: Use the binocular stereo vision measurement mathematical model to find the coordinates of the three-dimensional points in space.

[0052] Wherein said step S1 comprises:

[0053] S1-1: In order to save the cost ...

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 invention provides a reconstruction method of lightning three-dimensional images based on images and stereoscopic vision, which can obtain lightning three-dimensional space information by processing lightning images obtained at the same time in a plurality of stations. The method comprises the steps of calibrating a plurality of cameras keeping further distances under the same world coordinate system, obtaining inner parameter matrix and outer parameter matrix of the cameras; obtaining lightning images from the stations; using the improved K mean clustering method to extract the lightning part from the images; using the lightning grey gradient feature to further extract lightning outline; performing image matching by cross-correlation of the epipolar constraint and lightning outline curve slope; using a binocular stereoscopic vision measurement mathematical model to compute the space coordinates of lightning matching points so as to finish reconstruction of the lightning three-dimensional image; the method provides support for generation and development of the lightning.

Description

technical field [0001] The invention relates to a lightning three-dimensional image reconstruction method based on images and stereo vision, which is suitable for spatial positioning and three-dimensional reconstruction of free curve objects in space. Background technique [0002] Thunder and lightning have a huge destructive effect, and at present, human beings are unable to control and prevent its generation. Lightning disasters are listed as "one of the ten most serious natural disasters" by relevant departments of the United Nations. [0003] Lightning detection equipment mainly uses the sound, light, and electromagnetic field characteristics of lightning return radiation to remotely measure lightning return discharge parameters. Therefore, in terms of detection technology, lightning monitoring and positioning methods can be divided into acoustic methods, optical methods, and electromagnetic field methods. The purpose of ground-based and space-based lightning detection ...

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 Applications(China)
IPC IPC(8): G06T17/00G06T7/00
Inventor 刘陈刘辉龙刘德明
Owner HUAZHONG UNIV OF SCI & TECH
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

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

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com