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A method for assessing the water level of a river

A water level and river channel technology, applied in the field of computer vision, can solve problems such as difficult maintenance, high cost, and large environmental impact, and achieve the effect of ensuring life safety and saving manpower and material resources

Active Publication Date: 2022-04-19
UNIV OF SCI & TECH BEIJING
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These measurement methods have greatly improved the measurement efficiency, but there are also disadvantages such as high cost, difficult maintenance, and great impact on the environment.

Method used

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  • A method for assessing the water level of a river
  • A method for assessing the water level of a river
  • A method for assessing the water level of a river

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Embodiment Construction

[0064] In order to make the objectives, technical solutions and advantages of the present invention clearer, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0065] like figure 1 As shown, an embodiment of the present invention provides a method for evaluating the water level of a river channel. The method can be implemented by an electronic device, and the electronic device can be a terminal or a server. The method includes:

[0066] S101, use Faster R-CNN to intercept a sub-image containing a water gauge area in the image; wherein, the image is a river water level image collected by a camera;

[0067] S102, preprocessing the sub-image;

[0068] S103, use the Canny operator to perform edge extraction on the preprocessed image, and perform horizontal interpolation on the extracted edge image;

[0069] S104, using Hough line detection to detect the vertical edge and the horizontal edge respective...

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Abstract

The invention provides a river channel water level evaluation method, which belongs to the technical field of computer vision. The method includes: using Faster R-CNN to intercept a sub-image containing a water gauge region in an image; wherein, the image is a river water level image collected by a camera; preprocessing the sub-image; using a Canny operator to preprocess the image Perform edge extraction, and perform horizontal interpolation on the extracted edge image; use Hough line detection to detect the vertical edge and horizontal edge on the original edge image and the interpolated edge image respectively; calculate the intersection point of the vertical edge and the horizontal edge, and according to the calculation The obtained intersection point and the ratio of the width of the sub-image water scale to the actual width of the water scale can be used to estimate the current water level. By adopting the invention, the current water level of the river course can be automatically evaluated.

Description

technical field [0001] The invention relates to the technical field of computer vision, in particular to a method for evaluating the water level of a river. Background technique [0002] In recent years, heavy rain is a common weather phenomenon in summer. Due to the combined influence of topography and various climatic factors, flood peaks are easy to form in a short period of time, which is extremely destructive. In order to effectively avoid the losses caused by flood disasters and understand the river conditions in a timely manner, water monitoring has become a key issue that must be paid attention to. In order to accurately monitor water flow in real time, most hydrological monitoring stations in my country still use traditional water level measurement methods, including installing water level gauges for visual reading or using sensors to automatically collect water level information; among them, the visual reading method requires a lot of manpower, and the real-time p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/62G06T7/11G06T7/13G06T3/40G06T5/00G06T5/20G06N3/04
CPCG06T7/62G06T7/11G06T7/13G06T3/4023G06T5/002G06T5/20G06N3/04
Inventor 曾慧梁溢友李擎
Owner UNIV OF SCI & TECH BEIJING
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