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Automated Soft Pressure Sensor Array-Based Sea Lamprey Detection Using Machine Learning
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DOI：10.1109/JSEN.2023.3249625.png)
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摘要
En 中文
Sea lamprey, a destructive invasive species in the Great Lakes in North America, is among very few fishes that rely on oral suction during migration and spawning. Recently, soft pressure sensors have been proposed to detect the attachment of sea lamprey as part of the monitoring and control effort. However, human decision is still required for the recognition of patterns in the measured signals. In this article, a novel automated soft pressure sensor array-based sea lamprey detection framework is proposed using object detection convolutional neural networks. First, the resistance measurements of the pressure sensor array are converted to mappings of relative change in resistance. These mappings typically show two different types of patterns under lamprey attachment: a high-pressure circular pattern corresponding to the mouth rim compressed against the sensor (compression pattern), and a low-pressure blob corresponding to the partial vacuum region of the sucking mouth (suction pattern). Three types of object detection algorithms, single-shot detector (SSD), RetinaNet, and YOLOv5s, are applied to the dataset of measurements collected in the presence of sea lamprey attachment, and the comparison of their performance shows that YOLOv5s model achieves the highest mean average precision (mAP) and the fastest inference speed. Furthermore, to improve the accuracy of the prediction model and reduce the false positive (FP) rate due to the sensor's memory effect, a filter branch with different detection thresholds for the compression and suction patterns, respectively, is added to the original machine-learning algorithm. The trained model is validated and used to automatically detect sea lamprey attachments and locate the suction area on the sensor in real time.
Keyword:
Sensors
Sensor arrays
Pressure sensors
Electrical resistance measurement
Sea measurements
Object detection
Lakes
Invasive species monitoring
machine learning
sea lamprey detection
soft pressure sensor
期刊
IF:
4.5
论文数:
2.2W
被引数:
7.3W
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