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A neural builder for spatial subdivision hierarchies
Spatial data structures, such as k -d trees and bounding volume hierarchies, are extensively used in computer graphics for the acceleration of spatial...
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Improving Temporal Antialiasing with Adaptive Ray Tracing
In this chapter, we discuss a pragmatic approach to real-time supersampling that extends commonly used temporal antialiasing techniques with adaptive...
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Interactive Ray Tracing Techniques for High-Fidelity Scientific Visualization
This chapter describes rendering techniques and implementation considerations when using ray tracing for interactive scientific and technical...
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Parallel Implementation of Fast 3D Travel Time Tomography for Depth-Velocity Model Building in Seismic Exploration Problems
We present a parallel algorithm for 3D seismic tomography that reconstructs the depth velocity model. The aim is to provide the parallelization of...
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FASSET: Frame Supersampling and Extrapolation Using Implicit Neural Representations of Rendering Contents
Despite recent advances in ray tracing hardwares, ray budgets are still limited for many rendering applications, especially when global illumination...
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Ray Tracing Terminology
This chapter provides background information and definitions for terms used throughout this book.
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Texture Level of Detail Strategies for Real-Time Ray Tracing
Unlike rasterization, where one can rely on pixel quad partial derivatives, an alternative approach must be taken for filtered texturing during ray...
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Path Tracing RBF Particle Volumes
Particle volume data are common in scientific computing applications such as cosmology and molecular dynamics, and increasingly in smoke and fluid...
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Geometrical Acoustics in Cultural Heritage Conservation and Promotion: Digitalization of the Acoustic Characteristics
In 2003, UNESCO, with the Convention for the Safeguarding of Intangible Cultural Heritage (ICH), recognized the acoustic characteristics of a...
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Foveated Ray Tracing for VR Headsets
In this work, we propose a real-time foveated ray tracing system, which mimics the non-uniform and sparse characteristic of the human retina to...
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Underwater sound propagation for virtual environments
Realistic sound effect synchronized with visual rendering can greatly improve the immersive sense of a user in virtual reality (VR). Prior work...
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Hybrid Ray Traced and Image-Space Refractions
With the recent release of inline ray tracing, it is possible to traverse and register ray hits inside a pixel shader. This allows for convenient...
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Cinematic Rendering in UE4 with Real-Time Ray Tracing and Denoising
We present cinematic quality real-time rendering by integrating ray tracing in Unreal Engine 4. We improve the state-of-the-art performance in GPU...
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Asymptotic Full Wave-Form Inversion in the Image Domain
This study considers the Full Waveform Inversion (FWI) method in the image domain based on the asymptotic solution of the Helmholtz equation. The...
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Ray Traced Level of Detail Cross-Fades Made Easy
Ray tracing techniques in today's game engines need to coexist with rasterization techniques in hybrid rendering pipelines. In the same throw, level...
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Geometry-Aware Single-Image Full-Body Human Relighting
Single-image human relighting aims to relight a target human under new lighting conditions by decomposing the input image into albedo, shape and...
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T–S–F Non-Stationary IS-GBSM with Time-Space Consistency for UAV Wideband Channels
In this chapter, a novel unmanned aerial vehicle (UAV) time–space–frequency (T–S–F) non-stationary channel model with time-space consistency for...
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Differential Barycentric Coordinates
We describe an optimized way to compute differential barycentric coordinates, which can be employed by implementations of ray differentials. This...
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Autonomous Navigation via a Cascading CNN Framework Leveraging Synthetic Terrain Images
The expansion of human spaceflight to include more planetary bodies and intricate mission architectures demands the advancement of autonomous...
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Ray Tracing Inhomogeneous Volumes
Simulating the interaction of light with scattering and absorbing media requires importance sampling of distances proportional to the volume...