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- W4378895678 abstract "To address the low-efficiency issue of the manual assessment method for sewer pipe defects, we propose a defect severity assessment model based on automated pipe calibration (DSA-APC), which can provide automated and quantitative assessments. First, the cross-section feature is extracted by automated pipe calibration. A pipe cross-section feature extraction algorithm based on restricted Hough gradient transform (RHGT) is proposed. Then, a fine-defect feature extraction method based on edge detection is proposed to extract the features of pipe defects more finely. Finally, according to the assessment standards of the sewer pipe defect, a defect severity assessment table is constructed, and the area ratio of the defect feature and cross-section feature is used to evaluate the severity. Experiments are carried out on the Songbai data set and Level-sewer10 data set. The average absolute deviation of the DSA-APC model is 2.008%, and the average accuracy is 86.73%. The experimental results show that the DSA-APC model can correctly evaluate the severity level of sewer pipe defects, which has a good practical application value." @default.
- W4378895678 created "2023-06-01" @default.
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- W4378895678 date "2023-08-01" @default.
- W4378895678 modified "2023-09-25" @default.
- W4378895678 title "Defect Severity Assessment Model for Sewer Pipeline Based on Automated Pipe Calibration" @default.
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- W4378895678 doi "https://doi.org/10.1061/jpsea2.pseng-1454" @default.
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