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Edge Intelligence with Light Weight CNN Model for Surface Defect Detection in Manufacturing Industry


Affiliations
1 Institute of Aeronautical Engineering College, Hyderabad 500 043, Telangana, India
2 Prasad V. Potluri Siddhartha Institute of Technology, Vijayawada 520 007, Andhra Pradesh, India
3 Velagapudi Ramakrishna Siddhartha Engineering College, Vijayawada 520 007, Andhra Pradesh, India
4 Sree Vidyanikethan Engineering College, Tirupati 517 102, Andhra Pradesh, India
 

Surface defect identification is essential for maintaining and improving the quality of industrial products. However, numerous environmental factors, including reflection, radiance, light, and material, affect the defect detection process, considerably increasing the difficulty of detecting surface defects. Deep Learning, a part of Artificial intelligence, can detect surface defects in the industrial sector. However, conventional deep learning techniques are heavy in terms of expensive GPU requirements to support massive computations during the defect detection process.CondenseNetV2, a Lightweight CNN-based model, which performs well on microscopic defect inspection, and can be operated on low-frequency edge devices, was proposed in this research. It provides sufficient feature extractions with little computational overhead by reusing a set of the existing Sparse Feature Reactivation module. The training data are subjected to data augmentation techniques, and the hyper-parameters of the proposed model are fine-tuned with transfer learning. The model was tested extensively with two real datasets while running on an edge device (NVIDIA Jetson Xavier Nx SOM). The experiment results confirm that the projected model can efficiently detect the faults in the real-world environment while reliably and robustly diagnosing them.

Keywords

CondenseNet, Convolutional Neural Networks, Deep Learning, Edge Device, Industrial Products.
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  • Edge Intelligence with Light Weight CNN Model for Surface Defect Detection in Manufacturing Industry

Abstract Views: 52  |  PDF Views: 48

Authors

Shobha Rani D
Institute of Aeronautical Engineering College, Hyderabad 500 043, Telangana, India
Lakshmi Ramani Burra
Prasad V. Potluri Siddhartha Institute of Technology, Vijayawada 520 007, Andhra Pradesh, India
Kalyani G
Velagapudi Ramakrishna Siddhartha Engineering College, Vijayawada 520 007, Andhra Pradesh, India
Narendra Kumar Rao B
Sree Vidyanikethan Engineering College, Tirupati 517 102, Andhra Pradesh, India

Abstract


Surface defect identification is essential for maintaining and improving the quality of industrial products. However, numerous environmental factors, including reflection, radiance, light, and material, affect the defect detection process, considerably increasing the difficulty of detecting surface defects. Deep Learning, a part of Artificial intelligence, can detect surface defects in the industrial sector. However, conventional deep learning techniques are heavy in terms of expensive GPU requirements to support massive computations during the defect detection process.CondenseNetV2, a Lightweight CNN-based model, which performs well on microscopic defect inspection, and can be operated on low-frequency edge devices, was proposed in this research. It provides sufficient feature extractions with little computational overhead by reusing a set of the existing Sparse Feature Reactivation module. The training data are subjected to data augmentation techniques, and the hyper-parameters of the proposed model are fine-tuned with transfer learning. The model was tested extensively with two real datasets while running on an edge device (NVIDIA Jetson Xavier Nx SOM). The experiment results confirm that the projected model can efficiently detect the faults in the real-world environment while reliably and robustly diagnosing them.

Keywords


CondenseNet, Convolutional Neural Networks, Deep Learning, Edge Device, Industrial Products.

References