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README.md
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license: mit
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---
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license: mit
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---
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Here's a clean and professional **Hugging Face model card description** for your `AgeRaceGenderNet` model:
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---
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## 🧠 AgeRaceGenderNet
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<img src="https://cdn-uploads.huggingface.co/production/uploads/663a886250daed366b657df4/7-yshHOeyZ4DzEDsjVuMA.png" alt="AgeRaceGenderNet" width="800"/>
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<!-- 
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-->
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**AgeRaceGenderNet** is a lightweight, multi-task face classification model capable of predicting **age**, **gender**, and **race** from facial images. It is built with a **Swin Transformer V2 (Tiny)** backbone and designed for **fast inference** (\~5.94 GFLOPs).
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---
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### 📊 Tasks & Outputs
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This model simultaneously predicts:
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* **\[age]**: Integer from `0` to `116`, representing estimated age.
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* **\[gender]**: `0` for **male**, `1` for **female**.
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* **\[race]**: Integer from `0` to `4` representing:
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* `0`: White
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* `1`: Black
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* `2`: Asian
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* `3`: Indian
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* `4`: Others (e.g., Hispanic, Latino, Middle Eastern)
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---
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### Model Architecture
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* **Backbone**: [Swin V2 Tiny](https://arxiv.org/abs/2111.09883) (pretrained and fine-tuned)
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* **Head**: Multi-task architecture with dedicated classification heads for each demographic task.
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* **Criterion**: Custom `MultiTaskLoss` function
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* **Total Parameters**: **28.4M**
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* **Trainable**: 25.7M
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* **Non-trainable**: 2.7M
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* **Model Size**: \~113.7 MB
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* **Inference Cost**: \~5.94 GFLOPs
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---
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### Training Dataset
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The model is trained on **[UTKFace Dataset](https://susanqq.github.io/UTKFace/)**
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---
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### Usage example
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##### NOTE: The input image is assumed to be cropped and aligned to contain only the face
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```python
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import onnxruntime as ort
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from PIL import Image
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from torchvision import transforms
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import numpy as np
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# Load ONNX model
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session = ort.InferenceSession("Swin_V2_T.onnx")
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# Get input and output names
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input_name = session.get_inputs()[0].name
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output_names = [out.name for out in session.get_outputs()]
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# Preprocessing: Load and transform image
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# NOTE: The input image is assumed to be cropped and aligned to contain only the face
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transform = transforms.Compose([
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transforms.Resize((256, 256)), # Resize to model input size
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transforms.ToTensor(),
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transforms.Normalize(mean=[0.485, 0.456, 0.406],
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std=[0.229, 0.224, 0.225])
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])
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img = Image.open("path_to_image.jpg").convert("RGB")
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img_tensor = transform(img).unsqueeze(0).numpy() # Shape: (1, 3, 256, 256)
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# Run inference
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age_logits, gender_logits, race_logits = session.run(output_names, {input_name: img_tensor})
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# Postprocessing: Get predictions
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age_pred = int(np.argmax(age_logits, axis=1)[0])
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gender_pred = int(np.argmax(gender_logits, axis=1)[0])
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race_pred = int(np.argmax(race_logits, axis=1)[0])
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# Convert predictions to labels
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def get_gender_text(gender_idx):
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return 'Male' if gender_idx == 0 else 'Female'
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def get_race_text(race_idx):
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race_map = {
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0: 'White',
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1: 'Black',
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2: 'Asian',
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3: 'Indian',
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4: 'Other'
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}
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return race_map.get(race_idx, 'Unknown')
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# Display results
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print(f"Predicted Age: {age_pred}")
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print(f"Predicted Gender: {get_gender_text(gender_pred)}")
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print(f"Predicted Race: {get_race_text(race_pred)}")
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```
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