In power monitoring, Hough circle transform is used to identify the electrical symbols of the target object area

A target object, power monitoring technology, applied in the field of image recognition, can solve the problems of weak visual understanding ability, low ability of cognition and understanding, and achieve the effect of real-time machine vision, good cognition and understanding ability

Pending Publication Date: 2018-12-21
SHANGHAI MUNICIPAL ELECTRIC POWER CO +1
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

At present, the "visual understanding" ability of various intelligent systems is very weak, and some of the more advanced intelligent systems have certain visual ana...

Method used

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  • In power monitoring, Hough circle transform is used to identify the electrical symbols of the target object area
  • In power monitoring, Hough circle transform is used to identify the electrical symbols of the target object area
  • In power monitoring, Hough circle transform is used to identify the electrical symbols of the target object area

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Embodiment Construction

[0037] The present invention will be further described below in conjunction with the accompanying drawings.

[0038] Typical instrument panels on substation equipment include barometers, oil temperature gauges, temperature gauges, arrester gauges, desktop digital display instruments related to the analysis of the purity of sulfur hexafluoride gas used in electrical equipment, LED warning lights, and TFT display screens. Among them, the barometer, oil temperature gauge, temperature gauge and arrester gauge are pointer instruments, and the readings are reflected by the scale pointed by the pointer. The LED alarm light is used to indicate the alarm information of the equipment, and its position can be distributed on the dial of the barometer, the oil temperature gauge or the LED display area. The content displayed on the TFT screen is complex, including equipment status information, alarm information, multimedia information, etc., and the form of information display includes icon...

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Abstract

The invention relates to a method for recognizing electric symbols of a target object region by adopting Hough circle transformation in electric power monitoring, belonging to the field of image recognition. It recognizes the image after preprocessing, and recognizes the target object region. In the process of primitive recognition, Hough circle transform is used to recognize the electrical pattern with circular contour. Comparing the recognition result with a preset judgment standard to obtain a judgment result; According to the judgment result, obtaining a recognition result of a running state or a position of a device according to a preset logic relation; Then the judgment result is displayed and the recognition result is returned. It can analyze the running state of the equipment, detect the reading of the instrument, and has a good understanding ability. It can realize automatic image collection, analysis, replacing people to complete the patrol operation and data recording operations; It can be widely used in the automatic collection and analysis of monitoring images of substations and in the operation and management of substation equipments.

Description

technical field [0001] The invention belongs to the field of image recognition, in particular to a method for extracting image features or characteristics used to recognize graphics. Background technique [0002] Based on considerations of reducing operating costs and saving floor space, as unattended substations are increasingly used, various video surveillance systems are widely used. [0003] Since video surveillance will produce a large number of live video or photo images, image processing, interpretation, or identification and judgment based on the pictures shown have become necessary in the operation and monitoring of power systems. [0004] "Visual understanding" technology is an intelligent system that can independently observe and analyze the environment through the visual system (camera). It is an important direction for the development of artificial intelligence technology and machine vision technology. Inspection, remote centralized monitoring, video image big ...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06K9/46
CPCG06V20/41G06V10/44G06V10/56
Inventor 张立毛俊韩浩江吴昊柴俊安帅张海清杨杰燕劼杨剑沈志祺郭佳田
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO
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