LOD (Level of Detail) is key in 3D model optimization for balancing visual quality and performance by adjusting model complexity based on viewing distance. It reduces polygon counts for distant objects, lowering rendering load and improving frame rates—critical for real-time applications like games or AR/VR. For example, close-up models use high LOD with rich details, while far objects adopt low LOD with fewer polygons, ensuring smooth operation without noticeable visual loss. Additionally, LOD optimizes resource allocation by aligning with target hardware capabilities, enhancing overall system efficiency.
