Vision Transformer-Assisted Defect Classification and YOLOv8-Based Localization in Industrial Quality Control
Bibliographic record
Abstract
This paper proposes an intelligent quality control system integrating collaborative robotics and deep learning to enhance industrial defect detection. A Doosan robot equipped with a 2.5 D camera collaborates with AI models, including Vision Transformer (ViT), YOLOv8, MobileNetV2, and EfficientNet, to classify and localize product defects in real time. Experiments were conducted on a dataset of 1,050 annotated images, augmented to address class imbalance and evaluated under realistic conditions. Results show that ViT achieved 95.1 % accuracy in defect classification, while YOLOv8 reached 95.8% accuracy for defect localization, outperforming lightweight CNNs. The system enables reliable identification of issues such as missing or damaged pull tabs and supports automated sorting on production lines. These findings demonstrate the potential of combining collaborative robotics and advanced AI models to achieve efficient, accurate, and sustainable quality control in Industry 5.0..
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.003 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.002 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".