Gate opening ruler reading method

A gate opening and reading technology, which is applied in neural learning methods, image data processing, image enhancement, etc., can solve the problems of slow running speed, fuzzy, long running time, etc., to improve the reading accuracy, expand the opening range, The effect of increased resolution
CN113776408AActive Publication Date: 2021-12-10BEIJING UNIV OF POSTS & TELECOMM
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
BEIJING UNIV OF POSTS & TELECOMM
Publication Date
2021-12-10

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Abstract

The invention discloses a gate opening ruler reading method, relates to the field of intelligent ruler reading, aims to solve the problems in the prior art. The gate opening ruler reading method aims to detect a target set on an opening ruler through a target detection method and obtain the accurate opening of a gate according to the position relationship among targets. According to the invention, after the preset bit set is set, the camera can rotate to each preset bit in the preset bit set and photograph, the target detection algorithm is combined with the digital image processing algorithm, only appropriate target-level manual labeling is needed, and under the condition that the target is not detected by the target detection method, the vernier target is detected again by using a digital image processing algorithm; according to the method, high precision and low omission ratio are ensured under the condition that the real-time requirement is met. Therefore, the analyzable opening degree range is greatly expanded, and the analyzable opening degree range is expanded to ten meters under the condition that the reading precision is guaranteed.
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Description

technical field

[0001] The invention relates to the field of intelligent ruler reading, in particular to a method for reading a gate opening ruler. Background technique

[0002] The gate is used to close and open the control facility of the discharge (discharge) channel. An important part of hydraulic structures, it can be used to intercept water flow, control water level, regulate flow, discharge sediment and floating objects, etc. By effectively adjusting the opening of the gate, it can intercept the water flow, control the water level, and adjust the flow; therefore, it is particularly important to accurately feedback the opening of the gate.

[0003] The opening scale is a high-precision measuring instrument used to control the opening of the gate. It has left and right double-row scales, and the left and right scales have their corresponding height ranges (such as the knowledge range of the left scale is 0-4m, and the indication range of the right scale is 3-7m). , me...

Claims

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