Rolling matching-based method for automatically identifying readings of water, electricity and gas meters

An automatic identification, gas meter technology, applied in character and pattern recognition, instruments, computer parts, etc., to achieve the effect of easy implementation, universality, and simple hardware

Inactive Publication Date: 2013-07-31
广东今盛投资有限公司 +1
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Problems solved by technology

[0004] The purpose of the present invention is to overcome the problems of manual meter reading in the prior art, and provide a method for automatic recognition of water and electricity meter readings based on rolling matching, which is accurate in counting, saves time and effort, and can obtain water and electricity meter data on time

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  • Rolling matching-based method for automatically identifying readings of water, electricity and gas meters
  • Rolling matching-based method for automatically identifying readings of water, electricity and gas meters
  • Rolling matching-based method for automatically identifying readings of water, electricity and gas meters

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Embodiment Construction

[0026] In order to better understand the present invention, the present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the scope described in the embodiments.

[0027] The hardware of the water and electricity meter reading automatic recognition system based on rolling matching is mainly composed of an optical acquisition device (camera) and a single-chip microcomputer system; the camera is installed on the water and electricity meter, and the camera is connected to the single-chip computer system through a data line. The single-chip computer system mainly includes an embedded control module, an image Handling and identification of modules, power supplies, etc. The embedded control module completes the control and management of the entire system, system power-on self-check, working status indication, data transmission control, etc.; the image processing and recognition ...

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Abstract

The invention discloses a rolling matching-based method for automatically identifying readings of water, electricity and gas meters. The method comprises the steps that a camera acquires real-time charging data pictures of the water, electricity and gas meters regularly and transmits the real-time charging data pictures to a singlechip system through a data line; the singlechip system carries out image binaryzation, charging digital block location, noise filtration, character segmentation and half-character judgment on the acquired charging data pictures to obtain segmented full-character and half-character pictures; a character spacing between upper and lower half-characters of an image to be identified; a template belt is connected according to the character spacing of the image to be identified; rolling and left-right moving of the template belt are combined for carrying out character matching; a character matching rate at a corresponding position is calculated; a maximum value is selected through matching the matching rates; and a template character corresponding to the maximum value is determined, an identification digital result is sequentially output from left to right according to the corresponding dial reading pictures and thus charging readings of the water, electricity and gas meters are obtained. The invention provides a method which is accurate in counting, is time and labor-saving, and is capable of obtaining the data of the water, electricity and gas meters duly.

Description

technical field [0001] The invention relates to data identification, in particular to a method for automatic identification of water and electricity meter readings based on rolling matching, and belongs to the field of automatic instruments and meters and digital image processing. Background technique [0002] At present, the meter reading of civilian water and electricity meters, except for electric meters, is basically manual meter reading, especially for old-fashioned water meters. Manual meter reading requires staff to enter every household, check the water, gas and electricity meters, record the data, enter the computer, calculate the fee, and then notify the user to pay the fee; this method is time-consuming, labor-intensive, and labor-intensive. Obtain water, gas and electricity meter data. [0003] Through digital recognition technology, water and electricity meter data can be automatically obtained on time and accurately, and many problems of manual meter reading c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/20
Inventor 丁祖春莫文英莫莲枝
Owner 广东今盛投资有限公司
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