Photovoltaic cell-like incremental defect detection method based on knowledge distillation

By using an incremental training method based on knowledge distillation, the photovoltaic cell defect detection model can learn new types of defects while maintaining its detection performance on old types of defects. This solves the problem of long model update time, enables rapid iterative updates and continuous learning, and meets the quality inspection requirements of photovoltaic cell production lines.

CN116433633BActive Publication Date: 2026-06-26HEBEI UNIV OF TECH

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HEBEI UNIV OF TECH
Filing Date
2023-04-18
Publication Date
2026-06-26

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Abstract

The application is a photovoltaic cell incremental defect detection method based on knowledge distillation. First, a photovoltaic cell base category defect dataset is established, an original defect detection model is constructed, and the model is trained. Then, a photovoltaic cell new category defect dataset is established. The trained original defect detection model is used as a teacher model, the student model has the same architecture as the teacher model, and the parameters of the teacher model are used to initialize the student model. Finally, the photovoltaic cell new category defect dataset is input into the teacher model and the initialized student model, the student model is incrementally trained based on knowledge distillation, the trained student model is used as the final defect detection model for photovoltaic cell defect detection. When the defect category to be detected increases, the photovoltaic cell new category defect dataset is repeatedly established and the student model is retrained. When the defect category to be detected increases, the student model is incrementally trained, so that the model has the ability of continuous learning, and the time cost is reduced without sacrificing the model detection performance.
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