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Accurate digital indicator reading detection method

A technology for meter reading and detection methods, applied in neural learning methods, instruments, biological neural network models, etc., can solve the problems of slow detection speed, low accuracy, and low practicability, and achieve fast detection speed and high detection accuracy. , the effect of saving manpower and material resources

Inactive Publication Date: 2018-11-23
深圳市云识科技有限公司 +1
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AI Technical Summary

Problems solved by technology

This method is easily disturbed by image noise, and the accuracy is not high; and the detection speed is slow and the practicability is low

Method used

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  • Accurate digital indicator reading detection method
  • Accurate digital indicator reading detection method
  • Accurate digital indicator reading detection method

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Embodiment Construction

[0037] The present invention is further described below in conjunction with accompanying drawing and embodiment:

[0038] Such as figure 1 As shown, an accurate detection method for digital instrument readings includes steps such as data acquisition, data processing, deep network model construction and training, and instrument reading detection.

[0039] 1. Data acquisition: Camera equipment is used to capture the image of the meter including the reading area, covering different specifications of the meter to be tested.

[0040] Use camera equipment such as mobile phones and special hardware to capture images of instrument panels. During the shooting process, the reading part of the instrument dial faces the camera, is centered and occupies more than two-thirds of the image area, and the instrument dial is allowed to tilt to a certain extent, but the reading area needs to be shot completely.

[0041] The captured meter images should cover different specifications of the mete...

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Abstract

The invention discloses an accurate digital indicator reading detection method in the technical field of mode recognition and artificial intelligence. The method comprises the following steps of: (1)data obtaining: shooting an instrument image which comprises a reading area by adoption of a camera device; (2) data processing: manually annotating an instrument reading value and carrying out randomrotation, stretching and translation transformation on the instrument image; (3) deep network model construction and training: inputting the instrument image and corresponding annotation data into adeep network model to carry out training; and (4) instrument reading detection: inputting the instrument image and returning a standard instrument reading image by a system. The method is capable of overcoming deficiencies of existing instrument reading extraction methods, sufficiently utilizing parameter learning ability of the deep network model, and accurately detecting digital indicator readings through distribution of learning data samples on the basis of adversarial learning ability of the deep network model and physical meaning of backpropagation residuals, has the characteristics of being strong in practicability and high in correctness, and has a relatively good practical value.

Description

technical field [0001] The invention relates to the technical fields of pattern recognition and artificial intelligence, in particular to an accurate detection method for digital display instrument readings. Background technique [0002] The extraction of meter readings has a wide range of applications in various measurement and monitoring systems. For example, in meter reading and billing applications for water, electricity, heat, meter readings need to be read regularly; in monitoring systems, meter readings also need to be read regularly or in real time readings to monitor and control the system. [0003] There are currently two main ways to extract meter readings: one is to use manual reading, such as manual meter reading. This method is time-consuming and laborious, and is not conducive to the automation of the system. The second is to carry out digital transformation on the measuring instruments, which can directly output digital readings. This method often requires...

Claims

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Application Information

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IPC IPC(8): G06K9/32G06N3/08
CPCG06N3/08G06V10/242G06V2201/02
Inventor 金连文高学孙增辉罗灿杰
Owner 深圳市云识科技有限公司
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