Abbyy Finereader Python -

@ocr_with_retry(max_retries=3) def robust_ocr(input_path): # Your OCR implementation pass | Limitation | Alternative | |------------|-------------| | Windows-only (COM method) | Use CLI or Server API | | License required | Tesseract (free), Google Cloud Vision | | Slow for large batches | Use FineReader Server (distributed) | | Complex layout handling | Adobe Extract API | 11. Complete Working Example # full_pipeline.py import os from pathlib import Path import json from datetime import datetime def main(): # Setup input_folder = "./input_scans" output_folder = "./ocr_results" os.makedirs(output_folder, exist_ok=True)

with ThreadPoolExecutor(max_workers=max_workers) as executor: list(tqdm(executor.map(process_one, image_files), total=len(image_files))) batch_ocr_cli("./scans", "./ocr_output", max_workers=2) 5. Method 2: COM Automation (Windows, Deep Control) This method gives you programmatic access to FineReader's object model. Initialize FineReader COM Object import win32com.client import pythoncom import os class FineReaderCOM: def init (self): pythoncom.CoInitialize() self.app = win32com.client.Dispatch("FineReader.Application") self.app.Visible = False # Run in background abbyy finereader python

return output_pdf_path FineReader Server provides a REST API for distributed OCR. REST API Client import requests import base64 import json from pathlib import Path class FineReaderServerClient: def init (self, base_url, username, password): self.base_url = base_url.rstrip('/') self.session = requests.Session() self.session.auth = (username, password) Initialize FineReader COM Object import win32com

# Initialize (choose method) fr = FineReaderCOM() # Requires Windows # Invoice number (100

def __del__(self): self.app.Quit() pythoncom.CoUninitialize() fr = FineReaderCOM() text = fr.get_recognized_text("invoice.jpg") print(text[:500]) Zonal OCR example (extract specific invoice fields) zones = [(100, 200, 400, 230), # Invoice number (100, 300, 400, 330), # Date (500, 500, 800, 800)] # Total amount invoice_data = fr.zonal_ocr("invoice.jpg", zones) print(invoice_data) Advanced: PDF Searchable Creation def create_searchable_pdf(input_pdf_path, output_pdf_path): """Convert image-only PDF to searchable PDF/A.""" fr = FineReaderCOM() doc = fr.app.CreateDocument() # Load PDF pages doc.AddImageFile(input_pdf_path, 0)

def zonal_ocr(self, input_path, zones, language="English"): """ OCR only specific zones (regions) on the page. Args: zones: list of (x1, y1, x2, y2) tuples in pixels """ doc = self.app.CreateDocument() page = doc.AddImageFile(input_path, 0) # Clear auto-detected regions page.Regions.Clear() # Add custom zones for (x1, y1, x2, y2) in zones: region = page.Regions.Add(x1, y1, x2, y2) region.Type = 1 # 1 = Text region # Recognize only these zones doc.Recognize(language) results = [] for region in page.Regions: results.append(region.Text) doc.Close() return results