River flow velocity estimation method based on graph calculation
A graph calculation and river technology, applied in the field of river flow velocity estimation based on graph calculation, can solve the problems of large human factors, low accuracy of measurement results, and inability to guarantee the safety of monitoring personnel, so as to achieve the effect of ensuring safety
Pending Publication Date: 2021-05-18
澜途集思生态科技集团有限公司
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[0003] However, the measurement of river flow velocity is often carried out by manually placing buoys, using tools such as stopwatches, walkie-talkies, theodolites, etc. to determine the flow distance and use time of buoys to calculate the flow velocity of the river. This method cannot guarantee the safety of monitoring personnel; Due to large human factors, the accuracy of the measurement results is not high
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[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
[0022] refer to figure 1 , a river velocity estimation method based on graph calculation, including the following steps:
[0023] S1 surveys the surrounding environment of the target river to be monitored, and then selects a suitable installation location to install and configure the camera;
[0024] The S2 camera takes water flow video on the river surface at intervals, stores the water flow video in a distributed database, and transmits the water flow video to the video processing platform;
[0025] The S3 video processing platform uses video processing software to intercept water flow images frame by frame, and classifies water flow images within the same flow ve...
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The invention discloses a river flow velocity estimation method based on graph calculation, and the method comprises the following steps: surveying the surrounding environment of a to-be-monitored target river, and then selecting a proper installation position to install and configure a camera; through the camera, shootting water flow videos on the surface of a river at intervals, storing the water flow videos in the distributed database and transmitting the water flow videos to the video processing platform; through the video processing platform, intercepting water flow images frame by frame by using video processing software, and classifying the water flow images in the same flow speed range into the same class; performing noise reduction processing on the intercepted water flow image, and adjusting the image quality of the water flow image; and extracting feature contour information of the water flow image. According to the method, manual measurement is replaced by a video monitoring image processing method, the safety of personnel can be effectively ensured, and the river surface flow velocity can be quickly and conveniently estimated only by extracting the water flow features in the river surface image frame images for classification and recognition.
Description
technical field [0001] The invention relates to the technical field of river flow velocity estimation, in particular to a graph calculation-based river flow velocity estimation method. Background technique [0002] There are many rivers in our country, and the comprehensive utilization of rivers occupies an important position in the country's economic and social development. Due to my country's large land area, complex topography, and uneven distribution of rainfall, floods often occur in some places. In the 20th century, there were three major floods in my country, each of which caused huge losses to the country and the people. In addition, during the rainy season, under the influence of continuous heavy rainfall, some places in the Yangtze River Basin will have super-warning water levels, threatening people's property and lives. Although these are beyond our control, we can take some measures to prevent them and minimize the loss of the country and the people. The count...
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IPC IPC(8): G06T7/00G06T7/13G06T5/00G06T5/30G06T5/40
CPCG06T7/0002G06T7/13G06T5/30G06T5/40G06T2207/10016G06T5/70
Inventor 杨志峰沈永明张远蔡宴朋谭倩梁赛解玉磊
Owner 澜途集思生态科技集团有限公司