Simplicits: Mesh-free, geometry-agnostic elastic simulation

V Modi, N Sharp, O Perel, S Sueda… - ACM Transactions on …, 2024 - dl.acm.org
The proliferation of 3D representations, from explicit meshes to implicit neural fields and
more, motivates the need for simulators agnostic to representation. We present a data …

Constructive solid geometry on neural signed distance fields

Z Marschner, S Sellán, HTD Liu… - SIGGRAPH Asia 2023 …, 2023 - dl.acm.org
Signed Distance Fields (SDFs) parameterized by neural networks have recently gained
popularity as a fundamental geometric representation. However, editing the shape encoded …

Vitruvio: conditional variational autoencoder to generate building meshes via single perspective sketches

A Tono, H Huang, A Agrawal, M Fischer - Automation in Construction, 2024 - Elsevier
At the beginning of a project, architects convey design ideas via quick 2D diagrams, front
views, floor plans, and sketches. Consequently, many stakeholders have difficulty …

From microfacets to participating media: A unified theory of light transport with stochastic geometry

D Seyb, E d'Eon, B Bitterli, W Jarosz - ACM Transactions on Graphics …, 2024 - dl.acm.org
Stochastic geometry models have enjoyed immense success in graphics for modeling
interactions of light with complex phenomena such as participating media, rough surfaces …

Reach For the Spheres: Tangency-aware surface reconstruction of SDFs

S Sellán, C Batty, O Stein - SIGGRAPH Asia 2023 Conference Papers, 2023 - dl.acm.org
Signed distance fields (SDFs) are a widely used implicit surface representation, with broad
applications in computer graphics, computer vision, and applied mathematics. To …

Efficient Graphics Representation with Differentiable Indirection

S Datta, C Marshall, Z Dong, Z Li… - SIGGRAPH Asia 2023 …, 2023 - dl.acm.org
We introduce differentiable indirection–a novel learned primitive that employs differentiable
multi-scale lookup tables as an effective substitute for traditional compute and data …

Semi-analytical gradient-based optimization of exact CAD models using intermediate field representations

MP Schmidt, P Clausen, CBW Pedersen… - Structural and …, 2023 - Springer
This paper proposes an approach to bridge the gap between industrial applications of
Computer Aided Design (CAD) and Topology Optimization (TO) by enabling fast and …

Rmmi: Enhanced obstacle avoidance for reactive mobile manipulation using an implicit neural map

N Marticorena, T Fischer, J Haviland… - arxiv preprint arxiv …, 2024 - arxiv.org
We introduce RMMI, a novel reactive control framework for mobile manipulators operating in
complex, static environments. Our approach leverages a neural Signed Distance Field …

Synchronized tracing of primitive-based implicit volumes

C Zanni - ACM Transactions on Graphics, 2024 - dl.acm.org
Implicit volumes are known for their ability to represent smooth shapes of arbitrary topology
thanks to hierarchical combinations of primitives using a structure called a blobtree. We …

Vitruvio: 3d building meshes via single perspective sketches

A Tono, H Huang, A Agrawal, M Fischer - arxiv preprint arxiv:2210.13634, 2022 - arxiv.org
Today's architectural engineering and construction (AEC) software require a learning curve
to generate a three-dimension building representation. This limits the ability to quickly …