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  language:
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  - en
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  library_name: timm
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  Source code and training pipeline are available at:
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  https://github.com/ArchitRastogi20/vit-spoof-detection-pda
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- ---
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  ## Model Summary
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  - Framework: PyTorch with timm
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  - Pretraining: ImageNet
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- ---
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  ## Intended Use
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  The model is not intended for deployment in high risk security environments without additional validation, calibration, and fairness analysis.
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  ## Dataset
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  Dataset reference:
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  https://github.com/Davidzhangyuanhan/CelebA-Spoof
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  ## Data Augmentation
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  Normalization follows ImageNet statistics used by ViT models.
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  ## Model Architecture
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  * Dropout: 0.1
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  * Mixed precision training enabled
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  ## Training Procedure
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  | Early stopping | Enabled |
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  | Device | NVIDIA RTX A5000 |
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  ## Evaluation
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  Reported metrics include accuracy, F1 score, AUC ROC, precision, recall, specificity, FAR, FRR, and EER.
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  ## Results
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  | FRR | 0.0232 |
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  | EER | 0.1083 |
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- ---
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  ## Confusion Matrix
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  | Actual Spoof | 404 | 267 |
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  | Actual Live | 25 | 1051 |
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- ---
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  ## Limitations
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  * High FAR indicates sensitivity to certain spoof patterns
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  * No cross dataset evaluation included
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- ---
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  ## Citation
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+ ---
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  language:
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  - en
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  library_name: timm
 
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  Source code and training pipeline are available at:
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  https://github.com/ArchitRastogi20/vit-spoof-detection-pda
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  ## Model Summary
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  - Framework: PyTorch with timm
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  - Pretraining: ImageNet
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  ## Intended Use
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  The model is not intended for deployment in high risk security environments without additional validation, calibration, and fairness analysis.
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  ## Dataset
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  Dataset reference:
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  https://github.com/Davidzhangyuanhan/CelebA-Spoof
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  ## Data Augmentation
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  Normalization follows ImageNet statistics used by ViT models.
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  ## Model Architecture
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  * Dropout: 0.1
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  * Mixed precision training enabled
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  ## Training Procedure
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  | Early stopping | Enabled |
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  | Device | NVIDIA RTX A5000 |
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  ## Evaluation
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  Reported metrics include accuracy, F1 score, AUC ROC, precision, recall, specificity, FAR, FRR, and EER.
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  ## Results
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  | FRR | 0.0232 |
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  | EER | 0.1083 |
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  ## Confusion Matrix
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  | Actual Spoof | 404 | 267 |
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  | Actual Live | 25 | 1051 |
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  ## Limitations
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  * High FAR indicates sensitivity to certain spoof patterns
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  * No cross dataset evaluation included
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  ## Citation
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