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Automatic recognising method for digital telemetering image of flow meter and digital telemetering recording system

A flow metering, automatic identification technology, applied in character and pattern recognition, calculation, computer parts and other directions, can solve the problems of household meter reading personnel mistrust, disputes, and household reading inconsistencies, etc., to improve the efficiency of meter reading, Realize the effect of on-site acquisition and offline processing

Inactive Publication Date: 2007-07-18
SHENYANG POLYTECHNIC UNIV
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AI Technical Summary

Problems solved by technology

[0003] (1) In recent years, the residential floors are generally higher than before the reform and opening up, and the labor intensity of meter reading personnel has increased significantly;
[0004] (2) Residents spend significantly less time at home than before the reform and opening up, resulting in frequent occurrences of no one at home during meter reading, and some residents have to go back and forth several times to complete the meter reading work;
[0005] (3) Incidents of posing as meter readers breaking into private houses to commit crimes often occur, causing residents to distrust meter readers and deny them entry;
[0007] (5) Inconsistencies between meter reading results and household readings often occur, which often cause unnecessary disputes because there is no basis to check
These remote meter reading systems can work in dry water meters or gas meters, but cannot work in wet water meters for a long time
At the same time, the data acquisition units of these types of remote meter reading systems have certain complexity

Method used

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  • Automatic recognising method for digital telemetering image of flow meter and digital telemetering recording system
  • Automatic recognising method for digital telemetering image of flow meter and digital telemetering recording system
  • Automatic recognising method for digital telemetering image of flow meter and digital telemetering recording system

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Embodiment Construction

[0049] The method for automatic recognition of the digital remote transmission image of the traffic meter can be implemented according to the following steps:

[0050] 1) Image preprocessing;

[0051] 2) character positioning;

[0052] 3) Image refinement;

[0053] 4) feature extraction;

[0054] 5) Character recognition.

[0055] Wherein, step 1) includes performing noise reduction and segmentation processing on the collected original reading image, the template filter method can be used to remove the noise in the image, and the adaptive threshold method is used to binarize the image at the same time; step 2) can be Multiple projection method is used to locate the position of each number in the meter image; step 3) adopts thinning algorithm to obtain single-pixel wide number body; step 4) adopts geometric feature extraction method to extract corresponding features; Geometric features include threading features, voyage features and point features; the step 5) uses a multi-fe...

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Abstract

A method for identifying digital telemetering image of flow rate charging meter includes preprocessing image, positioning characters, detailing image, picking up characteristics and identifying characters. The digital telemetering-copying system of flow rate charging meter is also disclosed.

Description

technical field [0001] The invention belongs to the technical field of number automatic identification, and in particular relates to a method for automatic identification of digital remote transmission images of flow meter and a digital remote transmission meter reading system matched with the method. Background technique [0002] Since the reform and opening up, my country's urban population has increased dramatically. With the rapid expansion of the scale of residential construction, the installation of water meters and gas meters has also increased significantly. This leads to the following questions: [0003] (1) In recent years, the residential floors are generally higher than before the reform and opening up, and the labor intensity of meter reading personnel has increased significantly; [0004] (2) Residents spend significantly less time at home than before the reform and opening up, resulting in frequent occurrences of no one at home during meter reading, and some...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06K9/46G06K9/20
Inventor 苑玮琦汤永华张志佳桑海峰
Owner SHENYANG POLYTECHNIC UNIV
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