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Delete app.py
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app.py
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import gradio as gr
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import torch
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from transformers import LayoutLMv3Processor, LayoutLMv3ForTokenClassification
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import pytesseract
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# Set the Tesseract executable path (for Windows users)
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pytesseract.pytesseract.tesseract_cmd = r"C:\\Program Files\\Tesseract-OCR\\tesseract.exe"
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# Load the model and processor
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processor = LayoutLMv3Processor.from_pretrained("quadranttechnologies/Table_OCR")
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model = LayoutLMv3ForTokenClassification.from_pretrained("quadranttechnologies/Table_OCR")
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model.eval()
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device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
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model.to(device)
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def process_image(image):
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try:
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# Preprocess the image using the processor
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encoding = processor(image, return_tensors="pt", truncation=True, padding="max_length", max_length=512)
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# Move inputs to the same device as the model
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encoding = {key: val.to(device) for key, val in encoding.items()}
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# Perform inference
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with torch.no_grad():
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outputs = model(**encoding)
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predictions = torch.argmax(outputs.logits, dim=-1)
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# Extract input IDs, bounding boxes, and predicted labels
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words = encoding["input_ids"]
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bboxes = encoding["bbox"]
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labels = predictions.squeeze().tolist()
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# Format output as JSON
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structured_output = []
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for word_id, bbox, label in zip(words.squeeze().tolist(), bboxes.squeeze().tolist(), labels):
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# Decode the word ID to text
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word = processor.tokenizer.decode([word_id]).strip()
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if word: # Avoid adding empty words
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structured_output.append({
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"word": word,
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"bounding_box": bbox,
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"label": model.config.id2label[label] # Convert label ID to label name
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})
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return structured_output
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except Exception as e:
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return {"error": str(e)} # Return error details if any issue occurs
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# Define the Gradio interface
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interface = gr.Interface(
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fn=process_image,
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inputs=gr.Image(type="pil"), # Accepts image input
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outputs="json", # Outputs JSON structure
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title="Table OCR",
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description="Upload an image (e.g., receipt or document) to extract structured information in JSON format."
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)
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# Launch the app
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if __name__ == "__main__":
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interface.launch(share=True)
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