1. Receive image input.
2. Determine image type and quality.
3. Select appropriate OCR tool (Tesseract, EasyOCR, PaddleOCR, Google Vision API, AWS Textract).
4. Preprocess the image (deskew, denoise, binarize, enhance contrast).
5. Extract text using the selected OCR tool.
6. Post-process and structure the extracted text.
7. Evaluate the accuracy of the extracted text.
8. Return the extracted text.