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README.md
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---
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license: mit
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tags:
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- image-classification
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- computer-vision
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- defect-detection
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- automotive
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- pytorch
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- timm
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- efficientnet
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language:
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- ru
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pipeline_tag: image-classification
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---
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# Paint Defect Detector
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A binary image classifier that detects **paint defects** on car body panels using transfer learning with EfficientNetV2-S backbone (via imm).
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## Model Architecture
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- **Backbone**: EfficientNetV2-S (pretrained, from imm)
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- **Head**: Dropout → Linear(feat_dim, 256) → GELU → Dropout → Linear(256, 2)
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- **Task**: Binary classification — clean vs defect
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## Training
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- **Optimizer**: AdamW with cosine annealing LR scheduler
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- **Loss**: CrossEntropyLoss with label smoothing
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- **Augmentations**: Albumentations pipeline
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- **Metrics**: AUC-ROC, F1, Accuracy
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## Inference
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The project includes a FastAPI REST API (src/api.py) for serving predictions, and a Grad-CAM visualisation layer for model explainability.
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## Project Structure
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`
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src/
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config.py # Hyperparameters and paths
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dataset.py # Dataset and data loaders
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model.py # DefectClassifier model
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train.py # Training loop
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infer.py # Inference utilities
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api.py # FastAPI inference server
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prepare_data.py # Data preparation script
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requirements.txt
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`
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## Requirements
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See
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equirements.txt. Key dependencies: orch, imm, lbumentations, astapi, grad-cam.
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