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9aa487e
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Parent(s):
caca740
made app
Browse files
app.py
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import gradio as gr
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from PIL import Image
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from surya.ocr import run_ocr
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from surya.model.detection.model import load_model as load_det_model, load_processor as load_det_processor
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from surya.model.recognition.model import load_model as load_rec_model
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from surya.model.recognition.processor import load_processor as load_rec_processor
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import re
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from transformers import AutoModel, AutoTokenizer
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import torch
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import tempfile
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import os
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# device = "cuda"
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device = 'cuda' if torch.cuda.is_available() else 'cpu'
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print(device)
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got_model_name = "stepfun-ai/GOT-OCR2_0" if device == 'cuda' else "aarishshahmohsin/got_ocr_2"
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det_processor, det_model = load_det_processor(), load_det_model()
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det_model.to(device)
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rec_model, rec_processor = load_rec_model(), load_rec_processor()
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rec_model.to(device)
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tokenizer = AutoTokenizer.from_pretrained(got_model_name, trust_remote_code=True, device_map=device)
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got_model = AutoModel.from_pretrained(got_model_name, trust_remote_code=True, low_cpu_mem_usage=True, device_map=device, use_safetensors=True)
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got_model = got_model.eval().to(device)
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def extract_hindi(text):
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hindi_pattern = re.compile(r'[\u0900-\u097F]+') # Unicode range for Devanagari script
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hindi_words = hindi_pattern.findall(text)
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return ' '.join(hindi_words)
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def process_image(image):
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with tempfile.NamedTemporaryFile(delete=False, suffix=".png") as temp_file:
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image.save(temp_file.name)
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temp_file_path = temp_file.name
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image = Image.open(temp_file_path)
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image = image.convert("RGB")
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langs = ["hi"]
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surya_predictions = run_ocr([image], [langs], det_model, det_processor, rec_model, rec_processor)
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surya_text_list = re.findall(r"text='(.*?)'", str(surya_predictions[0]))
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surya_text = '\n'.join(surya_text_list)
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surya_text = extract_hindi(surya_text)
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got_res = got_model.chat(tokenizer, temp_file_path, ocr_type='ocr')
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combined_text = f"<h2> Hindi Text (Surya OCR) </h2> <br>{surya_text}<br> <br> <h2> English Text (GOT OCR) </h2> <br> {got_res}"
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if os.path.exists(temp_file_path):
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os.remove(temp_file_path)
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return combined_text
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def highlight_search(text, query):
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if query:
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pattern = re.compile(re.escape(query), re.IGNORECASE)
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highlighted_text = pattern.sub(lambda m: f"<span style='background-color: limegreen;'>{m.group(0)}</span>", text)
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return highlighted_text
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return text
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with gr.Blocks() as ocr_interface:
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gr.Markdown("# OCR Application (IIT Roorkee Assignment)")
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gr.Markdown("Upload an image for OCR processing. This uses Surya OCR (for both Hindi) and GOT-OCR (for English). The results from both models will be concatenated.")
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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 an Image")
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run_ocr_button = gr.Button("Run OCR")
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with gr.Column():
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output_text = gr.HTML(label="Extracted Text")
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query_input = gr.Textbox(label="Search in extracted text (optional)", placeholder="Type to search...")
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search_button = gr.Button("Search")
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def process_and_display(image):
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combined_text = process_image(image)
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return combined_text
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def search_text(combined_text, query):
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highlighted = highlight_search(combined_text, query)
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return highlighted
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run_ocr_button.click(fn=process_and_display, inputs=image_input, outputs=output_text)
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search_button.click(fn=search_text, inputs=[output_text, query_input], outputs=output_text)
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ocr_interface.launch()
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