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US20090225081A1 - Efficient ray tracing without …
https://patents.google.com/patent/US20090225081A1/en
methods, systems and computer program code (software) products executable in a digital processor operable to simulate light transport in a scene by …
EFFICIENT RAY TRACING WITHOUT ACCELERATION …
https://patents.justia.com/patent/20090225081
Methods, systems and computer program code (software) products executable in a digital processor operable to simulate light transport in a scene by ray tracing (wherein the digital processor is operable to maintain an object list representing a list of objects associated with a boundary of the scene) include executing a ray tracing method that traces r rays through n …
Incoherent Ray Tracing without Acceleration Structures
https://projet.liris.cnrs.fr/imagine/pub/proceedings/EUROGRAPHICS2012/short/pdf/097-100.pdf
A ray tracer typically consists of two main parts: ray traver-sal and acceleration structure building. Rendering fully dy-namic scenes with ray tracing is a particularly challenging problem since the acceleration structure must be either up-dated or rebuilt for every frame. There has been extensive research on this topic [WMG ture.
Ray Tracing | NVIDIA Developer
https://developer.nvidia.com/discover/ray-tracing
Bounding Volume Hierarchy (BVH) is a popular ray tracing acceleration technique that uses a tree-based “acceleration structure” that contains multiple …
Ray Tracing with Acceleration Structures
https://developer.apple.com/documentation/metal/ray_tracing_with_acceleration_structures
To apply ray tracing in your app: Create acceleration structures that represent objects in a scene. Define a ray’s behavior when it collides into parts of an acceleration structure by creating either intersectors or intersection queries. Generate rays into the scene from a new or existing shader.
Ray Tracing Performance Guide in Unreal Engine | Unreal …
https://docs.unrealengine.com/5.0/en-US/ray-tracing-performance-guide-in-unreal-engine/
Hardware Ray Tracing uses a two-level Bounding Volume Hierarchy (BVH) to accelerate ray traversal. The Top Level Acceleration Structure (TLAS) contains all mesh instances for the whole scene. The meshes referenced by those instances are …
Ray Tracing II • Ray tracing acceleration structures
https://www.cs.cornell.edu/courses/cs4620/2008fa/lectures/16raytracing2.pdf
• Ray tracing acceleration structures –Bounding volumes –Bounding volume hierarchies –Uniform spatial subdivision –Adaptive spatial subdivision 2 Cornell CS465 Fall 2008 •!Lecture 16 © 2008 Steve Marschner • Transforming objects • In modeling, we’ve seen the usefulness of transformations –How to do the same in RT?
Acceleration functions - NVIDIA Ray Tracing Documentation
https://raytracing-docs.nvidia.com/optix6/api_6_5/html/group___acceleration_structure.html
"NoAccel": Specifies that no acceleration structure is explicitly built. Traversal linearly loops through the list of primitives to intersect. This can be useful e.g. for higher level groups with only few children, where managing a more complex structure introduces unnecessary overhead.
D3D12DDI_RAYTRACING_ACCELERATION_STRUCTURE_BUILD_FLAGS …
https://docs.microsoft.com/en-us/windows-hardware/drivers/ddi/d3d12umddi/ne-d3d12umddi-d3d12ddi_raytracing_acceleration_structure_build_flags
Construct a high quality acceleration structure that maximizes ray tracing performance at the expense of additional build time. A rough rule of thumb is that the implementation should take about 2-3 times the default build time …
Scratchapixel
https://www.scratchapixel.com/lessons/advanced-rendering/introduction-acceleration-structure
Introduction to Ray Tracing: a Simple Method for Creating 3D Images. ... Introduction to Acceleration Structures. Volume Rendering for Artists. Volume Rendering for Developers: Foundations ... Distributed Ray-Tracing. BVH Acceleration Structure. Depth of Field. Motion Blur. Texture Mapping. Area Lights. BxDF, BRDF, BSSDF ... and all that jazz ...
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