Unlock instant, AI-driven research and patent intelligence for your innovation.

Series-parallel camera network measuring method for monitoring deformation of large structures

A large-scale structure and measurement method technology, applied in the direction of measuring devices, photo interpretation, instruments, etc., to achieve continuous measurement and reduce hardware costs

Active Publication Date: 2019-03-08
NAT UNIV OF DEFENSE TECH
View PDF7 Cites 11 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Below we introduce this series-parallel camera network method in detail.

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
  • Series-parallel camera network measuring method for monitoring deformation of large structures
  • Series-parallel camera network measuring method for monitoring deformation of large structures
  • Series-parallel camera network measuring method for monitoring deformation of large structures

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] The process that the present invention monitors settlement is as follows:

[0033] 1) According to the on-site requirements for large-scale structural deformation monitoring, the measurement unit is set up to form a series-parallel camera network, and the points to be measured are selected on the target to be measured. Select a certain camera coordinate system or cooperation logo coordinate system as the global coordinate system;

[0034] 2) Each camera in the series-parallel camera network collects images synchronously;

[0035] 3) High-precision extraction of multiple cooperation marks and the positions of the points to be measured in the image from the image sequence;

[0036] 4) Process the image coordinate data obtained in the previous step according to the imaging geometric constraint relationship, in which the series camera network is used to determine the position and attitude of each measurement unit to the global coordinate system, and the position and orient...

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 relates to a series-parallel camera network measuring method for monitoring deformation of large structures. A plurality of measurement units form a series-parallel camera network, deformation data of to-be-measured points are unified into a specified global coordinate system according to the geometric constraint relationship between fixed connection constraints and camera imaging inside the measurement units, and accordingly, automatic deformation monitoring of the large structures is realized. The series-parallel camera network measuring method has the advantages that the series-parallel camera network consists of a series camera network and a parallel camera network, so that the problem of incapability of measuring the global deformation without reference points is solved,and three-dimensional position deformation data of the large structures can be dynamically measured in full field and with high precision; the application range of the camera network is further widened, and the method can be used for deformation monitoring of the large structures such as airships, ships, dams, etc., thereby having important theoretical research significance and a broad application prospect.

Description

technical field [0001] The invention relates to a series-parallel camera network measurement method for monitoring large-scale structural deformations such as airships, ships, and dams, in particular to a method for realizing automatic monitoring of large-scale structural deformations by using the imaging measurement technology of a series-parallel camera network. Background technique [0002] Full-field, high-precision, and dynamic measurement of the deformation of large structures is the basic requirement for its dynamic performance experiments and quality monitoring. The deformation measurement of large-scale structures mainly has the following difficulties: (1). During the long-term deformation monitoring process, there may be deformation everywhere in the large-scale structure. Unify the deformation measurement data at different times into the global coordinate system, so that it is impossible to analyze the deformation of large structures over time. In order to ensure...

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): G01C11/08G01B11/16
CPCG01B11/16G01C11/08
Inventor 于起峰关棒磊尚洋
Owner NAT UNIV OF DEFENSE 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