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Ray Tracing Animations Using 4D Kd-Trees Jens Olsson Examensarbete - PowerPoint PPT Presentation

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Ray Tracing Animations Using 4D Kd-Trees Jens Olsson Examensarbete 2007-02-19 Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 1 / 29 Outline Outline Introduction Ray-Tracing Motion Blur Acceleration

Ray Tracing Animations Using 4D Kd-Trees Jens Olsson Examensarbete 2007-02-19 Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 1 / 29
Outline Outline Introduction Ray-Tracing Motion Blur Acceleration Structures Project Motivation Theory Implementation Results Data Conclusions Future Work Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 2 / 29
Outline Outline Introduction Ray-Tracing Motion Blur Acceleration Structures Project Motivation Theory Implementation Results Data Conclusions Future Work Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 2 / 29
Outline Outline Introduction Ray-Tracing Motion Blur Acceleration Structures Project Motivation Theory Implementation Results Data Conclusions Future Work Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 2 / 29
Outline Outline Introduction Ray-Tracing Motion Blur Acceleration Structures Project Motivation Theory Implementation Results Data Conclusions Future Work Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 2 / 29
Intro Ray-Tracing Project Motion Blur Results Acceleration Structures Ray-Tracing Technique used to generate convincing imagery Mimics a camera, but reversed light flow Millions of rays are traced through the scene Very general, extends naturally from simple to complex models Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 3 / 29
Intro Ray-Tracing Project Motion Blur Results Acceleration Structures Ray-Tracing Technique used to generate convincing imagery Mimics a camera, but reversed light flow Millions of rays are traced through the scene Very general, extends naturally from simple to complex models Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 3 / 29
Intro Ray-Tracing Project Motion Blur Results Acceleration Structures Ray-Tracing Technique used to generate convincing imagery Mimics a camera, but reversed light flow Millions of rays are traced through the scene Very general, extends naturally from simple to complex models Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 3 / 29
Intro Ray-Tracing Project Motion Blur Results Acceleration Structures Ray-Tracing Technique used to generate convincing imagery Mimics a camera, but reversed light flow Millions of rays are traced through the scene Very general, extends naturally from simple to complex models Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 3 / 29
Intro Ray-Tracing Project Motion Blur Results Acceleration Structures Ray-Tracing Technique used to generate convincing imagery Mimics a camera, but reversed light flow Millions of rays are traced through the scene Very general, extends naturally from simple to complex models Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 3 / 29
Intro Ray-Tracing Project Motion Blur Results Acceleration Structures Motion Blur Camera film is exposed for a short moment Moving objects exposure are spread out over the film The objects appear as smeared in the accumulated image Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 4 / 29
Intro Ray-Tracing Project Motion Blur Results Acceleration Structures Motion Blur Camera film is exposed for a short moment Moving objects exposure are spread out over the film The objects appear as smeared in the accumulated image Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 4 / 29
Intro Ray-Tracing Project Motion Blur Results Acceleration Structures Motion Blur Camera film is exposed for a short moment Moving objects exposure are spread out over the film The objects appear as smeared in the accumulated image Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 4 / 29
Intro Ray-Tracing Project Motion Blur Results Acceleration Structures Motion Blur Camera film is exposed for a short moment Moving objects exposure are spread out over the film The objects appear as smeared in the accumulated image Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 4 / 29
Intro Ray-Tracing Project Motion Blur Results Acceleration Structures Motion Blur contd. Simulated by stochastic sampling, accumulation buffers or blur post-process Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 5 / 29
Intro Ray-Tracing Project Motion Blur Results Acceleration Structures Acceleration Structures Ray tracing mainly performs visibility queries A strategy is needed to make visibility queries fast All strategies pre-sort scene primitives in some way Grids , Bounding Volume Hierarchies , BSP Trees , Ray Classification etc etc etc Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 6 / 29
Intro Ray-Tracing Project Motion Blur Results Acceleration Structures Acceleration Structures Ray tracing mainly performs visibility queries A strategy is needed to make visibility queries fast All strategies pre-sort scene primitives in some way Grids , Bounding Volume Hierarchies , BSP Trees , Ray Classification etc etc etc Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 6 / 29
Intro Ray-Tracing Project Motion Blur Results Acceleration Structures Acceleration Structures Ray tracing mainly performs visibility queries A strategy is needed to make visibility queries fast All strategies pre-sort scene primitives in some way Grids , Bounding Volume Hierarchies , BSP Trees , Ray Classification etc etc etc Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 6 / 29
Intro Ray-Tracing Project Motion Blur Results Acceleration Structures Acceleration Structures Ray tracing mainly performs visibility queries A strategy is needed to make visibility queries fast All strategies pre-sort scene primitives in some way Grids , Bounding Volume Hierarchies , BSP Trees , Ray Classification etc etc etc Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 6 / 29
Intro Ray-Tracing Project Motion Blur Results Acceleration Structures Acceleration Structures Ray tracing mainly performs visibility queries A strategy is needed to make visibility queries fast All strategies pre-sort scene primitives in some way Grids , Bounding Volume Hierarchies , BSP Trees , Ray Classification etc etc etc Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 6 / 29
Intro Ray-Tracing Project Motion Blur Results Acceleration Structures Acceleration Structures Ray tracing mainly performs visibility queries A strategy is needed to make visibility queries fast All strategies pre-sort scene primitives in some way Grids , Bounding Volume Hierarchies , BSP Trees , Ray Classification etc etc etc Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 6 / 29
Intro Ray-Tracing Project Motion Blur Results Acceleration Structures Acceleration Structures Ray tracing mainly performs visibility queries A strategy is needed to make visibility queries fast All strategies pre-sort scene primitives in some way Grids , Bounding Volume Hierarchies , BSP Trees , Ray Classification etc etc etc Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 6 / 29
Intro Ray-Tracing Project Motion Blur Results Acceleration Structures Acceleration Structures Ray tracing mainly performs visibility queries A strategy is needed to make visibility queries fast All strategies pre-sort scene primitives in some way Grids , Bounding Volume Hierarchies , BSP Trees , Ray Classification etc etc etc Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 6 / 29
Intro Ray-Tracing Project Motion Blur Results Acceleration Structures Acceleration Structures Ray tracing mainly performs visibility queries A strategy is needed to make visibility queries fast All strategies pre-sort scene primitives in some way Grids , Bounding Volume Hierarchies , BSP Trees , Ray Classification etc etc etc Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 6 / 29
Intro Ray-Tracing Project Motion Blur Results Acceleration Structures Acceleration Structures Ray tracing mainly performs visibility queries A strategy is needed to make visibility queries fast All strategies pre-sort scene primitives in some way Grids , Bounding Volume Hierarchies , BSP Trees , Ray Classification etc etc etc Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 6 / 29
Intro Ray-Tracing Project Motion Blur Results Acceleration Structures Acceleration Structures Ray tracing mainly performs visibility queries A strategy is needed to make visibility queries fast All strategies pre-sort scene primitives in some way Grids , Bounding Volume Hierarchies , BSP Trees , Ray Classification etc etc etc Jens Olsson Ray Tracing Animations Using 4D Kd-Trees Examensarbete 2007-02-19 6 / 29

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