Axis-aligned filtering for interactive sampled soft shadows

SU Mehta, B Wang, R Ramamoorthi - ACM Transactions on Graphics …, 2012 - dl.acm.org
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 …

Sample based visibility for soft shadows using Alias‐free shadow maps

E Sintorn, E Eisemann… - Computer Graphics Forum, 2008 - Wiley Online Library
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 …

Survey of shadow volume algorithms in computer graphics

H Kolivand, MS Sunar - IETE Technical Review, 2013 - Taylor & Francis
This study will provide an overview of popular and famous algorithms and techniques in
shadow generation based on shadow volumes. It characterizes well-known techniques …

Casting shadows in real time

E Eisemann, U Assarsson, M Schwarz… - ACM SIGGRAPH ASIA …, 2009 - dl.acm.org
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 …

Soft irregular shadow mapping: fast, high-quality, and robust soft shadows

GS Johnson, WA Hunt, A Hux, WR Mark… - Proceedings of the …, 2009 - dl.acm.org
We introduce a straightforward, robust, and efficient algorithm for rendering high-quality soft
shadows in dynamic scenes. Each frame, points in the scene visible from the eye are …

Packet‐based hierarchal soft shadow mapping

B Yang, J Feng, G Guennebaud… - Computer Graphics …, 2009 - Wiley Online Library
Recent soft shadow mapping techniques based on back‐projection can render high quality
soft shadows in real time. However, real time high quality rendering of large penumbrae is …

Efficient real-time shadows

E Eisemann, U Assarsson, M Schwarz… - ACM SIGGRAPH 2013 …, 2013 - dl.acm.org
This course provides an overview of efficient, real-time shadow algorithms. It presents the
theoretical background but also discusses implementation details for facilitating efficient …

Visibility silhouettes for semi‐analytic spherical integration

D Nowrouzezahrai, I Baran, K Mitchell… - Computer Graphics …, 2014 - Wiley Online Library
At each shade point, the spherical visibility function encodes occlusion from surrounding
geometry, in all directions. Computing this function is difficult and point‐sampling …

Fast indirect illumination using layered depth images

M Nießner, H Schäfer, M Stamminger - The Visual Computer, 2010 - Springer
We present a novel hybrid rendering method for diffuse and glossy indirect illumination. A
scene is rendered using standard rasterization on a GPU. In a shader, secondary ray …

GEARS: A general and efficient algorithm for rendering shadows

L Wang, S Zhou, W Ke, V Popescu - Computer graphics forum, 2014 - Wiley Online Library
We present a soft shadow rendering algorithm that is general, efficient and accurate. The
algorithm supports fully dynamic scenes, with moving and deforming blockers and receivers …