Feature Clustering for Open-Set Recognition in LCD Manufacturing
Why this work is in the frame
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Bibliographic record
Abstract
Inspecting defects in LCD manufacturing is of uttermost importance to ensure customer’s satisfaction and reduce time and money losses. Deep learning classification methods rely on closed-set assumption that the classes to predict during operation are the same as the training ones. However, in real-world settings, new unseen classes (defects) often arise. In this work we evaluate the capabilities of state-of-the-art deep learning methods of classifying known and unknown defects on LCD images. Given the limited performance of such methods, we here propose a novel Cluster Error (CE) classifier and a strong-repulsive (SR) training loss for feature clustering to enhance the classification accuracy both on known and unknown defects. Our results on two real-world industrial datasets show the challenges of such task and how our classifier outperforms the other methods.
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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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| 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 it