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| import streamlit as st | |
| from transformers import AutoModel, AutoTokenizer, MarianMTModel, MarianTokenizer | |
| from PIL import Image | |
| import tempfile | |
| import os | |
| import easyocr | |
| import re | |
| # Load EasyOCR reader with English and Hindi language support | |
| reader = easyocr.Reader(['en', 'hi']) # 'en' for English, 'hi' for Hindi | |
| # Load the GOT-OCR2 model and tokenizer | |
| tokenizer = AutoTokenizer.from_pretrained('ucaslcl/GOT-OCR2_0', trust_remote_code=True) | |
| model = AutoModel.from_pretrained('ucaslcl/GOT-OCR2_0', trust_remote_code=True, low_cpu_mem_usage=True, device_map='cuda', use_safetensors=True, pad_token_id=tokenizer.eos_token_id) | |
| model = model.eval().cuda() | |
| # Load MarianMT translation model for Hindi to English translation | |
| translation_tokenizer = MarianTokenizer.from_pretrained('Helsinki-NLP/opus-mt-hi-en') | |
| translation_model = MarianMTModel.from_pretrained('Helsinki-NLP/opus-mt-hi-en') | |
| # Define a function for keyword highlighting | |
| def highlight_keywords(text, keyword): | |
| # Escape keyword for regex to avoid issues with special characters | |
| pattern = re.compile(re.escape(keyword), re.IGNORECASE) | |
| highlighted_text = pattern.sub(lambda match: f"**{match.group(0)}**", text) | |
| return highlighted_text | |
| # Streamlit App Title | |
| st.title("OCR with GOT-OCR2 (English & Hindi Translation) and Keyword Search") | |
| # File uploader for image input | |
| image_file = st.file_uploader("Upload an image", type=["jpg", "jpeg", "png"]) | |
| if image_file is not None: | |
| # Display the uploaded image | |
| image = Image.open(image_file) | |
| st.image(image, caption='Uploaded Image', use_column_width=True) | |
| # Save the uploaded file to a temporary file | |
| with tempfile.NamedTemporaryFile(delete=False, suffix='.jpg') as temp_file: | |
| temp_file.write(image_file.getvalue()) | |
| temp_file_path = temp_file.name | |
| # Button to run OCR | |
| if st.button("Run OCR"): | |
| # Use GOT-OCR2 model for plain text OCR (structured documents) | |
| res_plain = model.chat(tokenizer, temp_file_path, ocr_type='ocr') | |
| # Perform formatted text OCR | |
| res_format = model.chat(tokenizer, temp_file_path, ocr_type='format') | |
| # Use EasyOCR for both English and Hindi text recognition | |
| result_easyocr = reader.readtext(temp_file_path, detail=0) | |
| # Display the results | |
| st.subheader("Plain Text OCR Results (English):") | |
| st.write(res_plain) | |
| st.subheader("Formatted Text OCR Results:") | |
| st.write(res_format) | |
| st.subheader("Detected Text using EasyOCR (English and Hindi):") | |
| extracted_text = " ".join(result_easyocr) # Combine the list of text results | |
| st.write(extracted_text) | |
| # Translate Hindi text to English using MarianMT (optional step) | |
| st.subheader("Translated Hindi Text to English:") | |
| translated_text = [] | |
| for sentence in result_easyocr: | |
| # Detect if the text is in Hindi (you can customize this based on text properties) | |
| if sentence: # Assuming non-empty text is translated | |
| tokenized_text = translation_tokenizer([sentence], return_tensors="pt", truncation=True) | |
| translation = translation_model.generate(**tokenized_text) | |
| translated_sentence = translation_tokenizer.decode(translation[0], skip_special_tokens=True) | |
| translated_text.append(translated_sentence) | |
| st.write(" ".join(translated_text)) | |
| # Additional OCR types using GOT-OCR2 | |
| res_fine_grained = model.chat(tokenizer, temp_file_path, ocr_type='ocr', ocr_box='') | |
| st.subheader("Fine-Grained OCR Results:") | |
| st.write(res_fine_grained) | |
| # Render formatted OCR to HTML | |
| res_render = model.chat(tokenizer, temp_file_path, ocr_type='format', render=True, save_render_file='./demo.html') | |
| st.subheader("Rendered OCR Results (HTML):") | |
| st.write(res_render) | |
| # Search functionality | |
| keyword = st.text_input("Enter keyword to search in extracted text:") | |
| if keyword: | |
| st.subheader("Search Results:") | |
| # Highlight the matching sections in the extracted text | |
| highlighted_text = highlight_keywords(extracted_text, keyword) | |
| st.markdown(highlighted_text) | |
| # Clean up the temporary file after use | |
| os.remove(temp_file_path) | |
| # Note: No need for if __name__ == "__main__": st.run() | |