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- W4296474402 abstract "Aiming at the problems of error-prone and low efficiency in the process of manually checking the actual parameters of the paper-based fixed value single distribution network, the OCR-based relay protection setting value checking method is used to realize the value acquisition and comparison of the fixed value list. check. This project has developed an automatic review of the issued and executed fixed value orders based on image recognition technology and artificial intelligence technology, and realized the automatic submission of the review results. First, perform preprocessing such as area segmentation, grayscale, binarization, corrosion expansion, etc. on the pictures of the fixed value sheets returned by dispatchers and field technicians; secondly, call Tesseract to segment each picture of the relay protection fixed value sheet Identify one by one; finally, compare with the real value, output the result when the correct rate reaches the expected value, otherwise re-synthesize the training library, and perform intensive training on the sample. The experimental results show that the recognition accuracy rate of relay protection fixed value single based on OCR is over 99.99%. The method provides a theoretical basis for single-checking of relay protection values, and improves the reliability and efficiency of power system relay protection management." @default.
- W4296474402 created "2022-09-21" @default.
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- W4296474402 date "2022-08-01" @default.
- W4296474402 modified "2023-10-16" @default.
- W4296474402 title "Single check method of relay protection fixed value based on OCR image recognition" @default.
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- W4296474402 doi "https://doi.org/10.1109/psgec54663.2022.9881172" @default.
- W4296474402 hasPublicationYear "2022" @default.
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