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description=Dynamic Mesh-Aware Radiance Fields: embed polygonal meshes into neural radiance fields.;
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dynamic mesh aware radiance fields dynamic mesh aware radiance fields yi ling qiao alexander gao yiran xu yue feng jia bin huang ming c lin university of maryland college park equal contribution international conference on computer vision iccv 2023 paper arxiv video code data dynamic mesh aware radiance fields enables rendering and simulating radience fields and meshes together abstract embedding polygonal mesh assets within photorealistic neural radience fields nerf volumes such that they can be rendered and their dynamics simulated in a physically consistent manner with the nerf is under explored from the system perspective of integrating nerf into the traditional graphics pipeline this paper designs a two way coupling between mesh and nerf during rendering and simulation we first review the light transport equations for both mesh and nerf then distill them into a straightforward algorithm for updating radiance and throughput along a cast ray with an arbitrary number of bounces to resolve the discrepancy between the linear color space that the path tracer assumes versus the srgb color space that standard nerf uses we train nerf with high dynamic range hdr images we also present a strategy to estimate light sources and cast shadows on the nerf finally we consider how the hybrid surface volumetric formulation can be efficiently integrated with a high performance physics simulator that supports cloth rigid and soft bodies the full rendering and simulation system can be run on a gpu at interactive rates we show that a hybrid system approach outperforms alternatives in visual realism for mesh insertion because it allows realistic light transport from volumetric nerf media onto surfaces which affects the appearance of reflective refractive surfaces and illumination of diffuse surfaces informed by the scene video method overview our method takes an optimized radiance field model and surface meshes as inputs we can run physiscs simulation between the nerf and meshes the updated mesh vertices and nerf transformations are synchronized to the renderer which uses monte carlo simulation to sample ray paths as the ray travels through space it alternates between surface rendering ray tracing and nerf rendering ray marching both updating its radiance reflections original scene infinite mirror room dynamic shadows original scene moving balls interactive games nerf as static background nerf as moving objects digital human virtual tryon avatar animation shadow generation change sharpness change direction immersive experience driving room design related links he nerf volume rendering is largely based on nvida s great work instantngp the physics part also runs with nvidia s warp and or deepmind s mujoco a more detailed tutorial for ray tracing can be found in ray tracing in one weekend we also borrow nerfies beautiful html template and sincerely thank nerfies bibtex article qiao2023dmrf author yi ling qiao and alexander gao and yiran xu and yue feng and jia bin huang and ming c lin title dynamic mesh aware radiance fields journal iccv year 2023 this website is licensed under a creative commons attribution sharealike 4 0 international license this means you are free to borrow the source code of this website we just ask that you link back to this page in the footer please remember to remove the analytics code included in the header of the website which you do not want on your website