# Requirements for Advanced Multi-Language OCR System
# Compatible with Hugging Face Spaces

# Gradio Web Interface for HuggingFace Spaces
gradio>=4.0.0

# FastAPI Web Service Dependencies (for backend compatibility)
fastapi>=0.104.0
uvicorn[standard]>=0.23.0
python-multipart>=0.0.6

# Core OCR Dependencies
opencv-python>=4.8.0
pytesseract>=0.3.10
pdf2image>=1.16.0
pillow>=9.0.0
numpy>=1.24.0
tqdm>=4.65.0

# Pix2Text for advanced mathematical expression extraction
pix2text>=1.0.0

# AI/ML Dependencies for Math Extraction
torch>=2.0.0
torchvision>=0.15.0
transformers>=4.20.0

# Additional utilities
unicodedata2>=15.0.0

# System dependencies that may be needed for Hugging Face Spaces
# These are usually pre-installed in HF Spaces but listed for completeness
# poppler-utils  # For pdf2image (system package)
# tesseract-ocr  # Tesseract binary (system package)
# tesseract-ocr-ben  # Bengali language pack (system package)

# Optional: GPU support for faster processing
# torch-audio  # Uncomment if using GPU
# Note: Install CUDA-compatible PyTorch for GPU acceleration