python3 scripts/ocr.py <image_file> <output_file>

# Specify language (default: eng)
python3 scripts/ocr.py image.png text.txt --lang eng

# Chinese text
python3 scripts/ocr.py image.png text.txt --lang chi_sim

# Multiple languages
python3 scripts/ocr.py image.png text.txt --lang eng+chi_sim

# With image preprocessing (improves accuracy)
python3 scripts/ocr.py image.png text.txt --preprocess

# JSON output with confidence scores
python3 scripts/ocr.py image.png output.json --format json

# OCR from remote image
python3 scripts/ocr_url.py <image_url> <output_file>

# With options
python3 scripts/ocr_url.py https://example.com/image.jpg text.txt --lang eng --preprocess

# Python packages
pip install pytesseract Pillow

# Tesseract OCR engine
sudo apt-get install tesseract-ocr  # Ubuntu/Debian
sudo yum install tesseract           # CentOS/RHEL
brew install tesseract               # macOS