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- # AI Detection Meta-Classifier Weights
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-
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- Stacking meta-classifier weights for multi-modal AI content detection.
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-
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- ## What's in this repo
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-
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- | File | Description |
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- |------|-------------|
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- | `config.json` | Full config with model IDs + meta-classifier weights |
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- | `meta_classifier_weights.json` | Same weights (explicit name) |
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-
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- ## Architecture
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-
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- Each modality uses **StandardScaler + LogisticRegression** on top of multiple neural model scores:
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- | Modality | Neural Models | Meta-Classifier Features | Accuracy |
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- |----------|--------------|-------------------------|----------|
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- | **Image** | 4x ViT classifiers | 4 model scores + FFT slope + HF ratio (6 features) | **99.1%** |
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- | **Audio** | 2x wav2vec2 classifiers | 2 model scores + 5 spectral features (7 features) | **82.0%** |
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- | **Text** | Falcon-7B (Binoculars) + RoBERTa | 2 model scores + 5 statistical features (7 features) | **97.5%** |
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-
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- ## Neural Network Models (hosted on their original HF repos)
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-
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- **Image:**
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- - `NYUAD-ComNets/NYUAD_AI-generated_images_detector`
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- - `Organika/sdxl-detector`
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- - `umm-maybe/AI-image-detector`
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- - `dima806/ai_vs_real_image_detection`
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-
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- **Audio:**
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- - `DavidCombei/wav2vec2-xls-r-1b-DeepFake-AI4TRUST`
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- - `Gustking/wav2vec2-large-xlsr-deepfake-audio-classification`
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-
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- **Text:**
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- - `tiiuae/falcon-7b` + `tiiuae/falcon-7b-instruct` (Binoculars method)
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- - `Hello-SimpleAI/chatgpt-detector-roberta`
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-
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- ## Usage
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- The weights in this repo are the **meta-classifier layer only** (scaler params + logistic regression coefficients).
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- The large neural network weights are downloaded from their original HuggingFace repos at runtime.