Scaling percentage closer filtering kernels by penumbra width resolves the trade-off between shadow accuracy and computational cost in real-time rendering.
Clusters gather rays hierarchically to share photon results, reducing computational complexity while maintaining rendering quality.
Segmented shaders apply adaptive resolution to light shading operations, reducing computational complexity while maintaining rendering quality in 3D scenes.
Grouping similar light paths allows averaging illumination data to reduce ray tracing noise without increasing rendering complexity.