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Robust Sewer Defect Detection With Text Analysis Based on Deep Learning
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DOI：10.1109/ACCESS.2022.3168660.png)
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摘要
En 中文
Sewerage systems play a vital role in building modern cities, providing appropriate ways to release liquid wastes. Due to the rapid expansion of cities, the deterioration of sewage pipes are increasing. Hence, systematic maintenance methods are require to overcome this problem. In most cases, sewer inspection is done by human inspectors, which is error-prone, time-consuming, costly, and lacking appropriate survey evaluations. In this paper, we introduce a new automated framework for detecting sewage pipe defects based on the attention mechanism, improved YOLOv5 architecture, and location information recognition from CCTV videos. The main contributions include (1) the addition of a micro-scale detection feature in the layers to improve the defect detection mechanism; (2) the application of a convolutional block attention module for better channel/spatial features; (3) construction of a larger defect-detection dataset for the 12 most common defect types; and (4) implementation of the TPS-ResNet-BiLSTM-Attn (TRBA) model for the text-information recognition mechanism from CCTV videos. The experimental results show that the proposed real-time sewer defect detection model achieved the mean average precision (mAP) of 75.9% on the proposed dataset, outperforming other standard models, such as YOLO and SSD.
Keyword:
Feature extraction
Pipelines
Videos
Inspection
Text recognition
Data mining
Manuals
Deep learning
text recognition
attention mechanism
defect detection
sewer
YOLO
期刊
IF:
3.6
论文数:
9.8W
被引数:
29.4W
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