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Pointer type instrument identification method and system based on intelligent terminal

A technology of intelligent terminal and identification method, which is applied in the field of instrument identification, can solve the problems of large hardware costs, achieve stable success rate and accuracy rate, improve identification success rate, and reduce implementation costs

Pending Publication Date: 2021-09-07
ZHEJIANG SUPCON TECH +1
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Problems solved by technology

[0003] In addition, the recognition method of full image recognition has high requirements on background computing power configuration and network. In order to improve image computing efficiency, high computing power and low network delay need to be configured. When these two conditions are met, the recognition time is usually takes 3-5 seconds
To ensure a certain recognition efficiency requires relatively large hardware costs, and ordinary small and medium-sized enterprises often do not have such conditions

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  • Pointer type instrument identification method and system based on intelligent terminal
  • Pointer type instrument identification method and system based on intelligent terminal
  • Pointer type instrument identification method and system based on intelligent terminal

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Embodiment Construction

[0042] In order to further understand the present invention, the preferred embodiments of the present invention are described below in conjunction with examples, but it should be understood that these descriptions are only to further illustrate the features and advantages of the present invention, rather than limiting the claims of the present invention.

[0043] As mentioned in the previous background technology, the existing intelligent recognition methods for pointer instruments usually use a full image recognition method based on the open source openCV image recognition algorithm to recognize the instrument panel, scale, and pointer position respectively. In order to improve the recognition efficiency and accuracy, the computing model of image recognition requires a large number of image training, and also considers the influence of various environmental factors, and collects a large number of images under various environmental conditions for training. However, for basic sc...

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Abstract

The invention provides a pointer type instrument identification method based on an intelligent terminal. The pointer type instrument identification method comprises the following steps: acquiring an instrument image of a target instrument; if the instrument image is the same as an instrument image in a preset instrument library, obtaining an instrument parameter corresponding to the instrument image; identifying the instrument image to obtain an angle deflection amount; and calculating a reading value of the instrument according to the angle deflection amount and the instrument parameters. According to the pointer instrument identification method, the efficiency of pointer instrument identification in a complex environment can be improved, the requirements for background computing power, network and other hardware configuration are reduced, and the pointer instrument identification method has the advantages of being low in cost, convenient to operate, easy to maintain and the like.

Description

technical field [0001] The invention relates to the technical field of instrument identification, in particular to an intelligent terminal-based pointer instrument identification method and system. Background technique [0002] In today's factory equipment, there are a large number of pointer meters, which need to be read regularly. Many instruments are outdoors, and the external environment is complex, with uncertain lighting and weather. The current intelligent recognition method for pointer instruments usually adopts a full image recognition method based on the open source openCV image recognition algorithm to recognize the instrument panel, scale, and pointer position respectively. In order to improve the recognition efficiency and accuracy, a lot of additional work is required. . The calculation model of image recognition requires a lot of image training, and factors such as outdoors, weather, and lighting must be considered. For this reason, designers and developers ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/62
Inventor 王世展郑修强陈江义
Owner ZHEJIANG SUPCON TECH
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