prd.md

# Project Progress: Combined ANPR and Helmet Detection System

## Project Status
- [x] Initial Setup
  - [x] Created virtual environment
  - [x] Cloned Helmet Detection repository
  - [x] Cloned ANPR repository

## Next Steps
- [x] Dependencies Installation
  - [x] Created combined requirements.txt with specific versions
  - [x] Fixed Gradio version to 4.19.2 for compatibility
  - [x] Installed required Python packages
  - [x] Verified model files present
  
- [x] Integration
  - [x] Created unified Gradio interface (app.py)
  - [x] Fixed import paths and module structure
    - [x] Added __init__.py to scripts directory
    - [x] Fixed relative imports in ANPR components
    - [x] Added proper Python path handling
  - [x] Combined model inference with proper error handling
  - [x] Added example images with correct absolute paths
  - [x] Implemented confidence threshold control
  
- [x] Testing
  - [x] Added example test cases
  - [x] Implemented combined image annotation
  - [x] Fixed Gradio queue implementation
  - [x] Added proper error handling for model initialization

## Features
- Modern Gradio interface with real-time processing
- Combined ANPR and Helmet detection in single interface
- Merged visual annotations from both models
- Adjustable confidence threshold for ANPR
- Example images from ANPR dataset
- Comprehensive error handling for both models
- Queue support for multiple users

## Known Issues
- None yet

## Updates
- [2025-02-16] Project initialized, repositories cloned
- [2025-02-16] Created combined interface with Streamlit
- [2025-02-16] Installed all required dependencies
- [2025-02-16] Migrated to Gradio interface with improved features
- [2025-02-16] Fixed import issues and improved functionality
- [2025-02-16] Fixed dependency and launch issues:
  - Updated to Gradio 4.19.2 for compatibility
  - Fixed queue implementation
  - Added specific package versions
  - Improved error handling for initialization