Duarte David
@_DuarteDavid
Raytracers are my 'Hello World's. he/him
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Penetration-free for free, you need OGC. I released the code of our SIGGRAPH 2025 paper: Offset Geometric Contact, where we made real-time, penetration free simulation possible, with @JerryHsu32 @zihengliu @milesmacklin @YinYang24414350 @cem_yuksel Page: ankachan.github.io/Projects/OGC/i…
Happy Friday 13th! My first rigging post is live! This is hopefully the beginning of a series of many posts tackling commonly asked questions in rigging. What other questions would you like to see answered? Let me know what you think! #rigtip #gamedev medium.com/@sol.g.brennan…
Do pages on @internetarchive expire? I can't load my favourite Geomerics paper anymore 😢 web.archive.org/web/2020110811… Luckily I found a local copy, so in case you'll need, here's a reupload: drive.google.com/file/d/1MK6Clw…
We present Neural Riemannian Motion Fields (NRMF) as a promising paradigm for generative modeling of articulated motion. Unlike various diffusion based models, NRMF is useful both in generation and in deployment as a prior across tasks: circle-group.github.io/research/NRMF/. #CVPR #AI #CVML👇
Intel Arc Graphics Developer Guide for Real-Time Ray Tracing in Games intel.com/content/www/us…
You cannot get physically-based rendering right without understanding radiometry. My new blog post explains it all, relying on familiar concepts from rendering algorithms as much as possible. Part 2 will come next week. momentsingraphics.de/Radiometry1Bac…
O Chega marcou para hoje um debate sobre “segurança em Portugal”. Vamos aos factos? Em 2023 houve -56% (-864 casos) de crimes contra a vida do que em 2012, quando o PSD governava com o apoio de André Ventura. (1/7)
#SIGGRAPHAsia2024 🔥 Replace your Marching Cubes code with our Occupancy-Based Dual Contouring to reveal the "real" shape from either a signed distance function or an occupancy function. No neural networks involved. Web: …pancy-based-dual-contouring.github.io
I’ll present our paper “Trust-Region Eigenvalue Filtering for Projected Newton” at #SIGGRAPHAsia2024. Come check out our talk on Friday at 9-10:10 am! :) Project Page: cs.columbia.edu/cg/trust-regio…
Tessellation-Free Displacement Mappingの実装を公開しました。日本語コメント付き。 github.com/shocker-0x15/G… ハイトマップから作るminmax mipmapと精度保証に使われるアフィン演算を組み合わせて、オンザフライなBVH構築によりテクセル粒度のdisplacementを実現。ベースは平面じゃなくてもOK。
Our biomechanical shoulder model now has full contact geometry, so the arm must navigate around the torso to reach behind...
A major blocker to free and open source multimedia is @isostandards. ISO standards are behind an expensive paywall, making them impossible to access for volunteer developers in FFmpeg, or anyone wanting to learn about multimedia technology
Not sure who needs to hear this, but I spent enough of my life doing things the hard way that it's hopefully helpful to someone. It doesn't make a big difference in this simple example, but is helpful when you have more complicated calculations with more terms "off the end."
Holy crap. @Dropbox just lost all of my photos. I went on and years of photos have been corrupted. My wedding photos, my daughter's baby pictures. All lost. @DropboxSupport just told me, "They must have been corrupt when I uploaded them." Are you serious? This is nuts.
"The ages most represented among the dead were five to nine-year-olds."
Nearly 70% of Gaza war dead are women and children, UN says bbc.in/4fH3RfP
I just added another appendix to my page on cubic interpolation of quaternions, with an explanation of how to prevent overshooting using Monotone Cubic Interpolation: theorangeduck.com/page/cubic-int… Taken from this fantastic blog post (jbrd.github.io/2020/12/27/mon…) by @bird_james
🚀 Thrilled to share our #SIGGRAPHAsia2024 paper **MATTopo: Topology-preserving Medial Axis Transform with Restricted Power Diagram**!! 🍍Project: ningnawang.github.io/projects/2024_… 🍍Paper: arxiv.org/abs/2403.18761 🍍Code: github.com/ningnawang/MAT… 🍍Video: youtu.be/8AxJYVtU0SA?si…
Animation quality is a difficult subject that I think we've not quite got to grips with yet as a community. My latest blog post shares some of my own thoughts on the subject. My hope is it can kickstart some discussions... or at least new dance moves! theorangeduck.com/page/animation…
Differentiable rendering made SIMPLE❗️ Differentiating physically based renderers is hard: Dirac-delta discontinuities arise at object silhouette. Our #SIGGRAPHAsia2024 work shows how a simple relaxation can rescue the day, enabling easy 3D reconstruction and relighting! (1/N)
By popular demand, here is the #shadertoy Snake game on Klein bottle :-D ( 1889 chars for whole game logic + procedural shape + ray-marching ;-) . Some remaining artifacts, though ). shadertoy.com/view/43ByRW
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