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Journals and Conferences
We describe the architecture of a novel system for precomputing sparse directional occlusion caches. These caches are used for accelerating a fast cinematic lighting pipeline that works in the spherical harmonics domain. The system was used as a primary lighting technology in the movie Avatar, and is able to efficiently handle massive scenes of… (More)
<b>Real-Time Line and Disk Light Shading</b> <b>Eric Heitz and Stephen Hill</b> At SIGGRAPH 2016, we presented a new real-time area lighting technique for polygonal sources. In this talk, we will show how the underlying framework, based on <i>Linearly Transformed Cosines</i> (LTCs), can be extended to support line and disk lights. We will discuss the… (More)
As path tracing allows for more realistic and faster lighting, an increasing number of movies are created the physically based way. With examples from recent movies, the architectures and novel workflows of the next generation of production renderers are introduced to a wide audience including technical directors, artists, and researchers.
The last few years have seen a decisive move of the movie making industry towards rendering using physically-based methods, mostly implemented in terms of path tracing. While path tracing reached most VFX houses and animation studios at a time when a physically-based approach to rendering and especially material modelling was already firmly established, the… (More)
We transform irregularly sampled shadow map data to deep image buffers in camera space, which are then used to create volumetric shadows in a deep compositing workflow. Our technique poses no restrictions on the sample locations of the shadow map and can thus be used with a variety of adaptive approaches to produce more precise shadows closer to the camera.… (More)
The last few years have seen a decisive move of the movie making industry towards rendering using physically-based methods, mostly implemented in terms of path tracing. Increasing demands on the realism of lighting, rendering and material modeling, paired with a working paradigm that very naturally models the behaviour of light like in the real world mean… (More)
Since 1931, the Academy of Motion Picture Arts and Sciences has honored the inventors and developers of the technology behind the movies. Earlier this year, 18 different technologies were awarded, honoring 34 individuals. These technologies have had a significant impact on how movies are made and have stood the test of time.