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---
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license: mit
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tags:
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- food
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- ingredient-classification
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- computer-vision
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- multi-label-classification
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- pytorch
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library_name: pytorch
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---
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# Food Ingredient Classifier
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A multi-label classification model that identifies ingredients in food images.
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## Model Description
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This model uses a ResNet-50 backbone fine-tuned on the Food-101 dataset to classify 101 different food ingredients.
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## Performance
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- **Validation Accuracy**: 99.01%
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- **Architecture**: ResNet-50 with custom classification head
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- **Training Epochs**: 1
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- **Number of Classes**: 101
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## Ingredients Classified
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apple_pie, baby_back_ribs, baklava, beef_carpaccio, beef_tartare, beet_salad, beignets, bibimbap, bread_pudding, breakfast_burrito, bruschetta, caesar_salad, cannoli, caprese_salad, carrot_cake, ceviche, cheese_plate, cheesecake, chicken_curry, chicken_quesadilla, chicken_wings, chocolate_cake, chocolate_mousse, churros, clam_chowder, club_sandwich, crab_cakes, creme_brulee, croque_madame, cup_cakes, deviled_eggs, donuts, dumplings, edamame, eggs_benedict, escargots, falafel, filet_mignon, fish_and_chips, foie_gras, french_fries, french_onion_soup, french_toast, fried_calamari, fried_rice, frozen_yogurt, garlic_bread, gnocchi, greek_salad, grilled_cheese_sandwich, grilled_salmon, guacamole, gyoza, hamburger, hot_and_sour_soup, hot_dog, huevos_rancheros, hummus, ice_cream, lasagna, lobster_bisque, lobster_roll_sandwich, macaroni_and_cheese, macarons, miso_soup, mussels, nachos, omelette, onion_rings, oysters, pad_thai, paella, pancakes, panna_cotta, peking_duck, pho, pizza, pork_chop, poutine, prime_rib, pulled_pork_sandwich, ramen, ravioli, red_velvet_cake, risotto, samosa, sashimi, scallops, seaweed_salad, shrimp_and_grits, spaghetti_bolognese, spaghetti_carbonara, spring_rolls, steak, strawberry_shortcake, sushi, tacos, takoyaki, tiramisu, tuna_tartare, waffles
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## Usage
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```python
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import torch
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from torchvision import transforms, models
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from PIL import Image
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import torch.nn as nn
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from huggingface_hub import hf_hub_download
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# Model architecture
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class FoodIngredientClassifier(nn.Module):
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def __init__(self, num_classes=101):
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super().__init__()
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self.backbone = models.resnet50(pretrained=False)
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num_features = self.backbone.fc.in_features
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self.backbone.fc = nn.Sequential(
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nn.Dropout(0.5),
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nn.Linear(num_features, 512),
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nn.ReLU(),
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nn.Dropout(0.3),
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nn.Linear(512, num_classes)
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)
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def forward(self, x):
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return self.backbone(x)
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# Load model
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device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
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model = FoodIngredientClassifier(num_classes=101).to(device)
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# Download checkpoint from Hugging Face
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checkpoint_path = hf_hub_download(
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repo_id="YOUR_USERNAME/food-ingredient-classifier",
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filename="best_model.pth"
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)
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checkpoint = torch.load(checkpoint_path, map_location=device, weights_only=False)
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model.load_state_dict(checkpoint['model_state_dict'])
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model.eval()
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# Get ingredient labels
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mlb = checkpoint['mlb']
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# Prepare image
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transform = transforms.Compose([
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transforms.Resize((224, 224)),
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transforms.ToTensor(),
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transforms.Normalize([0.485, 0.456, 0.406], [0.229, 0.224, 0.225])
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])
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# Inference
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img = Image.open('food_image.jpg').convert('RGB')
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img_tensor = transform(img).unsqueeze(0).to(device)
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with torch.no_grad():
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output = model(img_tensor)
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probs = torch.sigmoid(output).cpu().numpy()[0]
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# Get predictions (threshold at 0.5)
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threshold = 0.5
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pred_indices = (probs > threshold).nonzero()[0]
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ingredients = mlb.classes_[pred_indices]
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confidences = probs[pred_indices]
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for ingredient, confidence in zip(ingredients, confidences):
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print(f"{ingredient}: {confidence:.2%}")
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```
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## Training Details
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- **Dataset**: Food-101 (101,000 images across 101 categories)
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- **Batch Size**: 64
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- **Optimizer**: AdamW with weight decay (0.01)
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- **Learning Rate**: 0.001 with OneCycleLR scheduler
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- **Data Augmentation**: Random horizontal flip, rotation (15°), color jitter
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- **Mixed Precision Training**: Enabled for faster training
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- **Image Size**: 224x224
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## Model Architecture
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- **Backbone**: ResNet-50 (pretrained on ImageNet)
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- **Custom Head**:
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- Dropout (0.5)
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- Linear (2048 → 512)
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- ReLU
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- Dropout (0.3)
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- Linear (512 → 101)
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- **Output**: Multi-label (sigmoid activation)
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## Citation
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If you use this model, please cite:
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```bibtex
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@misc{food-ingredient-classifier,
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author = {Your Name},
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title = {Food Ingredient Classifier},
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year = {2025},
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publisher = {Hugging Face},
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howpublished = {\url{https://huggingface.co/YOUR_USERNAME/food-ingredient-classifier}}
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}
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```
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## License
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MIT License
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