Update app.py
Browse files
app.py
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@@ -3,57 +3,95 @@ from transformers import AutoModel, AutoProcessor
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from PIL import Image
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import torch
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import json
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# Load
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def load_model():
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processor = AutoProcessor.from_pretrained("microsoft/layoutlmv3-base"
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model = AutoModel.from_pretrained("microsoft/layoutlmv3-base")
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return processor, model
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processor, model = load_model()
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#
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def process_document(image):
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try:
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# Ensure image is a PIL Image (Gradio provides it as PIL with type="pil")
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if not isinstance(image, Image.Image):
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return None, "Error: Invalid image format. Please upload a valid image."
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#
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with torch.no_grad():
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outputs = model(**encoding)
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#
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# Placeholder result; customize based on your task (e.g., token classification, text extraction)
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result = {
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"status": "success",
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"
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"
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}
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return image, json.dumps(result, indent=2)
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except Exception as e:
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return image, f"Error processing document: {str(e)}"
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# Gradio
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with gr.Blocks(title="
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gr.Markdown("# Document Analysis with LayoutLMv3")
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gr.Markdown("Upload a document image (PNG, JPG, JPEG)
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with gr.Row():
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with gr.Column():
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image_input = gr.Image(type="pil", label="Upload Document Image")
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submit_button = gr.Button("Process Document")
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with gr.Column():
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image_output = gr.Image(label="Uploaded Image")
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text_output = gr.Textbox(label="Analysis Results")
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submit_button.click(
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fn=process_document,
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inputs=image_input,
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@@ -61,12 +99,11 @@ with gr.Blocks(title="Document Analysis with LayoutLMv3") as demo:
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)
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gr.Markdown("""
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1. Upload a document image
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2. Click "Process Document"
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3.
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4. This is a basic demo; customize the output processing for specific tasks (e.g., text extraction, layout analysis).
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""")
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# Launch
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demo.launch()
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from PIL import Image
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import torch
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import json
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import easyocr
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import numpy as np
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# Load EasyOCR Reader
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reader = easyocr.Reader(['en'])
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# Load LayoutLMv3 model and processor
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def load_model():
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processor = AutoProcessor.from_pretrained("microsoft/layoutlmv3-base")
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model = AutoModel.from_pretrained("microsoft/layoutlmv3-base")
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return processor, model
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processor, model = load_model()
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# OCR + Preprocessing for LayoutLMv3
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def process_document(image):
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try:
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if not isinstance(image, Image.Image):
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return None, "Error: Invalid image format. Please upload a valid image."
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# OCR: Get text and boxes from EasyOCR
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ocr_results = reader.readtext(np.array(image))
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if not ocr_results:
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return image, "No text detected."
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words = []
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boxes = []
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for (bbox, text, confidence) in ocr_results:
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if text.strip() == "":
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continue
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words.append(text)
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# Convert bounding box to [x0, y0, x1, y1] format (top-left, bottom-right)
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x_coords = [point[0] for point in bbox]
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y_coords = [point[1] for point in bbox]
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x0, y0, x1, y1 = int(min(x_coords)), int(min(y_coords)), int(max(x_coords)), int(max(y_coords))
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boxes.append([x0, y0, x1, y1])
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# Normalize boxes to LayoutLMv3 expected format (1000x1000)
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width, height = image.size
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normalized_boxes = []
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for box in boxes:
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x0, y0, x1, y1 = box
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normalized_box = [
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int(1000 * x0 / width),
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int(1000 * y0 / height),
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int(1000 * x1 / width),
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int(1000 * y1 / height)
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]
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normalized_boxes.append(normalized_box)
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# Encode inputs for LayoutLMv3
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encoding = processor(image,
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words=words,
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boxes=normalized_boxes,
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return_tensors="pt",
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truncation=True,
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padding="max_length")
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with torch.no_grad():
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outputs = model(**encoding)
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# Use last hidden state or logits based on model
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hidden = outputs.last_hidden_state
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result = {
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"status": "success",
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"words": words,
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"model_output_shape": str(hidden.shape),
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"message": "Document processed with EasyOCR and LayoutLMv3."
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}
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return image, json.dumps(result, indent=2)
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except Exception as e:
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return image, f"Error processing document: {str(e)}"
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# Gradio UI
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with gr.Blocks(title="LayoutLMv3 with EasyOCR") as demo:
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gr.Markdown("# π§Ύ Document Layout Analysis with LayoutLMv3 + EasyOCR")
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gr.Markdown("Upload a document image (PNG, JPG, JPEG). Weβll extract the layout and text using EasyOCR.")
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with gr.Row():
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with gr.Column():
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image_input = gr.Image(type="pil", label="π Upload Document Image")
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submit_button = gr.Button("π Process Document")
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with gr.Column():
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image_output = gr.Image(label="π· Uploaded Image")
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text_output = gr.Textbox(label="π Analysis Results", lines=20)
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submit_button.click(
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fn=process_document,
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inputs=image_input,
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)
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gr.Markdown("""
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## π Instructions
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1. Upload a document image.
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2. Click "Process Document".
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3. See the text extracted and model output.
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""")
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# Launch
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demo.launch()
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