Shinji Ogaki

A slow starter who loves simple algorithms.

Projects

redqueen - A global illumination renderer
voroce - A fast voronoi generator

Publications

Lighting and Sampling

Vectorized Reservoir Sampling (Supplemental) (Slides)(SIGGRAPH Asia 2021 Technical Communications)
Generalized Light Portals (Supplemental1) (Supplemental2) (Slides) (HPG 2020)

Ray Tracing

Nonlinear Ray Tracing for Displacement and Shell Mapping (SIGGRAPH Asia 2023 Conference Track)
A Survey on Bounding Volume Hierarchies for Ray Tracing (Eurographics 2021 STAR)
An N-ary BVH Child Node Sorting Technique for Occlusion Tests (JCGT 2016)
MBVH Child Node Sorting for Fast Occlusion Test (EGSR 2015 Experimental Ideas & Implementations Track)
Fragmentation-Aware BVH Contraction (Technical Report)
Direct Ray Tracing of Phong Tessellation (EGSR 2011)
Direct Ray Tracing of Phong Tessellation (SIGGRAPH Asia 2010 Technical Sketches)

Shading and NPR

Production Ray Tracing of Feature Lines (SIGGRAPH Asia 2018 Technical Briefs)
Shader Development at OLM (SIGGRAPH Asia 2015 R&D in the Video Game Industry)
An Empirical Fur Shader (SIGGRAPH Asia 2010 Technical Sketches)

Master's Thesis

Laplace Transform Based Estimation (The University of Nottingham, 2008)

Presentations

Microfacet (CEDEC 2023)
布の可視化技術 (数理的生成手法によるCGとデジタルファブリケーション 2021)
BVH (CEDEC 2019)
Procedural Shading & Texturing (CEDEC 2016)

日本語記事