Patrick Bell's Personal Website https://patricklbell.xyz Patrick Bell's personal website covering graphics, machine learning and software engineering topics. Designing a Database for Non Volatile Memory https://patricklbell.xyz/article/db-io-pipeline-roofline Designing a high performance NoSQL database using a analytical model of NVM drive throughput. Sun, 16 Aug 2026 00:00:00 GMT Extracting Surfaces from Gaussian Splats https://patricklbell.xyz/article/gaussian-splat-surfaces Reconstructing surfaces from photographs using 3D Gaussian Splats and Poisson surface reconstruction. Sun, 16 Aug 2026 00:00:00 GMT Rasterization https://patricklbell.xyz/article/rasterization How to create a Direct3D and Vulkan specification conformant rasterization algorithm. Sat, 15 Aug 2026 00:00:00 GMT SAT Collision Detection https://patricklbell.xyz/article/xpbd-sat Collision detection using separating axes. Thu, 25 Sep 2025 00:00:00 GMT μLang https://patricklbell.xyz/article/unnamed-lang Systems programming language using LLVM backend. Sat, 02 Aug 2025 00:00:00 GMT Derivation of Physically Based Rendering https://patricklbell.xyz/article/pbr-physics The physical model and mathematical justification for physically based rendering. Sat, 23 Sep 2023 00:00:00 GMT Image Segmentation of Kidney Microscope Slides https://patricklbell.xyz/article/kidney-vasculature-nn Using machine learning to identify veins from microscope slides of kidney cells. Sat, 02 Sep 2023 00:00:00 GMT Frame Analysis of Graphics Pipeline https://patricklbell.xyz/article/visualising-graphics-engines A frame analysis of my own engine, showing the effects of each render and effect pass. Tue, 27 Dec 2022 00:00:00 GMT Adapting Spline Algorithms to Draw Proteins https://patricklbell.xyz/article/visualising-proteins How to render ribbon diagrams by solidifying splines. Fri, 05 Aug 2022 00:00:00 GMT