Sensor Fusion and Hazard Detection Model Strategy

You are tasked with designing the core hazard detection system for a lunar lander. Describe your approach to fusing simulated LIDAR point cloud data and high-resolution optical imagery to create a robust terrain map. How will you use `Ludwig` to define and train a deep learning model for identifying hazards (e.g., craters, boulders) from this fused data? Outline your choice of model architecture and justify it based on the nature of lunar terrain and real-time inference requirements.