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

System and method for measuring water level based on image vision

A technology of water level measurement and image vision, applied in the direction of buoy liquid level indicator, etc., can solve the problem of high cost, achieve the effect of low cost, small environmental impact and strong adaptability

Inactive Publication Date: 2010-06-02
HOHAI UNIV CHANGZHOU
View PDF0 Cites 67 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method has its advantages, but the cost is higher

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
  • System and method for measuring water level based on image vision
  • System and method for measuring water level based on image vision
  • System and method for measuring water level based on image vision

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] Such as figure 1 , The water level measurement system includes six parts: float device 1, CCD camera 2, video A / D acquisition module 3, external LCD display module 4, FPGA processing module 5 and expansion communication module 6. The float device 1 is mainly used for physical calibration of the water level. The CCD camera 2 and the video A / D acquisition module 3 are mainly used for collecting images and converting them into digital images that are convenient for digital equipment processing. The CCD camera 2 is arranged directly above the float device 1. Its output is connected to the video A / D acquisition module 3 . FPGA processing module 5 is the field programmable gate array core processing module, which mainly realizes functions such as image acquisition, edge extraction, and distance measurement, and connects the output of video A / D acquisition module 3 to FPGA processing module 5, and the output of FPGA processing module 5 The output is respectively connected to ...

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 discloses a system and a method for measuring water level based on image vision, which is used for measuring large measuring range water level of places of reservoirs, hydropower station and the like. A CCD camera is arranged right above a floater device for acquiring videos; the videos are converted into digital image frames through a video A / D acquisition module; a floater image area in a dynamic image is influenced by distance changing between the floater and the CCD camera, wherein the distance changing between the floater and the CCD camera is caused by water level changing; the acquired floater image area in the videos is computed through an FPGA processing module, and a relative distance between the floater and the CCD camera is obtained for measuring the water level. In the invention, the water level can be measured indirectly through the floater area in the videos measured by the image vision technology without an expensive water level sensor, and the cost is low; by adopting a modularized design method, the invention has the advantages of simple installation, convenience for on-site measurement and system maintenance, and high adaptability.

Description

technical field [0001] The invention belongs to the field of electronic measurement, uses image visual processing technology to realize water level measurement, and can be used for large-range water level measurement in reservoirs, hydropower stations and other places. Background technique [0002] In view of the uneven distribution of water in various regions, the complexity of flood disasters, and the deterioration of the water body environment, it is necessary to optimize the allocation of water resources to achieve sustainable use of water resources. Therefore, it is necessary to master the basic information of water resources. The optimal allocation and scientific management of water resources have lost their foundation. In terms of water level measurement, self-recording water level gauges are widely used in the world. According to the principle of sensing water level, they can be divided into float type water level gauge, pressure type water level gauge, gas medium or...

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
IPC IPC(8): G01F23/64
Inventor 奚吉梁瑞宇张卓张学武丁燕琼顾灏钱萧诚孙浩顾丽萍
Owner HOHAI UNIV CHANGZHOU
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