Image recognition-based voltage monitor device information extraction method and system

By using image recognition technology to process close-up and distant images of voltage monitors, and combining target detection and OCR technology, the problems of low information collection efficiency and high error rate of voltage monitors have been solved. This has enabled automated and accurate extraction of equipment information and improved the level of intelligent management of power equipment.

CN122416360APending Publication Date: 2026-07-17NARI INFORMATION & COMM TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NARI INFORMATION & COMM TECH
Filing Date
2026-04-03
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing voltage monitoring instruments rely on manual operation for information collection, which is inefficient and has a high error rate. In particular, it is difficult to accurately locate the target area in complex environments, resulting in incomplete equipment records and delayed fault location.

Method used

An image recognition-based method is used to process close-up and distant images of voltage monitoring equipment information. Target detection algorithms and OCR technology are used to accurately locate the specified area. Combined with image preprocessing algorithms to reduce environmental interference, the system can automatically extract and verify key information.

Benefits of technology

It improves the efficiency and accuracy of voltage monitoring equipment information recognition, lowers the threshold for manual operation, enhances the robustness and completeness of information, supports the accuracy of operation and maintenance decisions, and improves the level of intelligent management of power equipment.

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Abstract

本发明公开了一种基于图像识别的电压监测仪设备信息提取方法及系统,将采集的电压监测仪的待识别图像进行图像识别,进行近景远景划分;当待识别图像为近景图像时,进行图像识别得到各设备信息区域;将各设备信息区域分别划分为区域子图,对区域子图进行突出文字图案的图像预处理后进行OCR识别,提取设备信息;当待识别图像为远景图像时,进行图像识别得到电压监测仪的环境信息;将设备信息和环境信息进行互补校验,得到最终电压监测仪设备信息。通过对近景远景图像分别进行处理,通过目标检测算法精准定位指定区域,可以提升关键区域识别效率,减少人工标注误差,整合文字识别结果以及目标检测结果关联分析,提升信息完整性与一致性。
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