We show that a binary voxel grid can be represented orders of magnitude more efficiently
than using a sparse voxel octree (SVO) by generalising the tree to a directed acyclic graph …

Previous methods for soft shadows numerically integrate over many light directions at each
receiver point, testing blocker visibility in each direction. We introduce a method for real-time …

Monte Carlo ray tracing of soft shadows produced by area lighting and intricate geometries,
such as the shadows through plant leaves or arrays of blockers, is a critical challenge. The …

We develop a simple and efficient method for soft shadows from planar area light sources,
based on explicit occlusion calculation by raytracing, followed by adaptive image-space …

Soft shadows, depth of field, and diffuse global illumination are common distribution effects,
usually rendered by Monte Carlo ray tracing. Physically correct, noise-free images can …

This paper introduces an accurate real‐time soft shadow algorithm that uses sample based
visibility. Initially, we present a GPU‐based alias‐free hard shadow map algorithm that …

Efficiently calculating accurate soft shadows cast by area light sources remains a difficult
problem. Ray tracing based approaches are subject to noise or banding, and most other …

Shadows are crucial for enhancing realism and provide important visual cues. In recent
years, many important contributions have been made both for hard shadows and soft …