Create README.md
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README.md
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| 1 |
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```python
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import torch
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from PIL import Image
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from torchvision import transforms
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from transformers import ViTModel, ViTConfig
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from safetensors.torch import load_file as safetensors_load_file
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# Define a transform to convert PIL images to tensors
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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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])
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class ViTSalesModel(nn.Module):
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def __init__(self):
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super(ViTSalesModel, self).__init__()
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self.vit = ViTModel.from_pretrained('google/vit-base-patch16-224')
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self.classifier = nn.Linear(self.vit.config.hidden_size, 1)
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def forward(self, pixel_values, labels=None):
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outputs = self.vit(pixel_values=pixel_values)
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cls_output = outputs.last_hidden_state[:, 0, :] # Take the [CLS] token
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sales = self.classifier(cls_output)
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loss = None
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if labels is not None:
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loss_fct = nn.MSELoss()
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loss = loss_fct(sales.view(-1), labels.view(-1))
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return (loss, sales) if loss is not None else sales
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model = ViTSalesModel()
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# Load the saved model checkpoint
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checkpoint_path = "/content/results/checkpoint-940/model.safetensors"
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state_dict = safetensors_load_file(checkpoint_path)
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model.load_state_dict(state_dict)
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model.eval()
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# Maximum sales value for de-normalization (from training)
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max_sales_value = 100000 # Replace with the actual max sales value used during training
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def predict_sales(image_path):
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# Load and preprocess the image
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image = Image.open(image_path).convert('RGB')
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image = transform(image).unsqueeze(0) # Add batch dimension
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with torch.no_grad():
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# Run the model
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prediction = model(image)
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print(prediction)
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# De-normalize the prediction
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sales_prediction = prediction.item() * max_sales_value
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return sales_prediction
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# Example usage
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image_path = "/content/0000.png"
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predicted_sales = predict_sales(image_path)
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print(f"Predicted sales: {predicted_sales}")
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```
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