activity
20202024
most citedAssemble Them All: Physics-Based Planning for Generalizable Assembly by Disassembly

69 citations · 173 across the 15 of their papers we have counts for

collaborators

16 papers

cs.CV2024★ 1 cited

BrepGen: A B-rep Generative Diffusion Model with Structured Latent Geometry

Xiang Xu, Joseph G. Lambourne, Pradeep Kumar Jayaraman +3

This paper presents BrepGen, a diffusion-based generative approach that directly outputs a Boundary representation (B-rep) Computer-Aided Design (CAD) model. BrepGen represents a B…

cs.CV2023★ 9 cited

Hierarchical Neural Coding for Controllable CAD Model Generation

Xiang Xu, Pradeep Kumar Jayaraman, Joseph G. Lambourne +2

This paper presents a novel generative model for Computer Aided Design (CAD) that 1) represents high-level design concepts of a CAD model as a three-level hierarchical tree of neur…

cs.HC2023★ 14 cited

Next Steps for Human-Centered Generative AI: A Technical Perspective

Xiang 'Anthony' Chen, Jeff Burke, Ruofei Du +8

Through iterative, cross-disciplinary discussions, we define and propose next-steps for Human-centered Generative AI (HGAI). We contribute a comprehensive research agenda that lays…

cs.GR2023

Neurosymbolic Models for Computer Graphics

Daniel Ritchie, Paul Guerrero, R. Kenny Jones +4

Procedural models (i.e. symbolic programs that output visual data) are a historically-popular method for representing graphics content: vegetation, buildings, textures, etc. They o…

cs.RO2022★ 69 cited

Assemble Them All: Physics-Based Planning for Generalizable Assembly by Disassembly

Yunsheng Tian, Jie Xu, Yichen Li +5

Assembly planning is the core of automating product assembly, maintenance, and recycling for modern industrial manufacturing. Despite its importance and long history of research, p…

cs.CV2022★ 2 cited

CLIP-Sculptor: Zero-Shot Generation of High-Fidelity and Diverse Shapes from Natural Language

Aditya Sanghi, Rao Fu, Vivian Liu +5

Recent works have demonstrated that natural language can be used to generate and edit 3D shapes. However, these methods generate shapes with limited fidelity and diversity. We intr…

cs.CV2022★ 33 cited

Reconstructing editable prismatic CAD from rounded voxel models

Joseph G. Lambourne, Karl D. D. Willis, Pradeep Kumar Jayaraman +3

Reverse Engineering a CAD shape from other representations is an important geometric processing step for many downstream applications. In this work, we introduce a novel neural net…

cs.CV2022

Mates2Motion: Learning How Mechanical CAD Assemblies Work

James Noeckel, Benjamin T. Jones, Karl Willis +2

We describe our work on inferring the degrees of freedom between mated parts in mechanical assemblies using deep learning on CAD representations. We train our model using a large d…

cs.AI2022

SimCURL: Simple Contrastive User Representation Learning from Command Sequences

Hang Chu, Amir Hosein Khasahmadi, Karl D. D. Willis +5

User modeling is crucial to understanding user behavior and essential for improving user experience and personalized recommendations. When users interact with software, vast amount…

cs.CV2022★ 13 cited

SkexGen: Autoregressive Generation of CAD Construction Sequences with Disentangled Codebooks

Xiang Xu, Karl D. D. Willis, Joseph G. Lambourne +3

We present SkexGen, a novel autoregressive generative model for computer-aided design (CAD) construction sequences containing sketch-and-extrude modeling operations. Our model util…

cs.LG2022★ 20 cited

SolidGen: An Autoregressive Model for Direct B-rep Synthesis

Pradeep Kumar Jayaraman, Joseph G. Lambourne, Nishkrit Desai +3

The Boundary representation (B-rep) format is the de-facto shape representation in computer-aided design (CAD) to model solid and sheet objects. Recent approaches to generating CAD…

cs.LG2021

JoinABLe: Learning Bottom-up Assembly of Parametric CAD Joints

Karl D. D. Willis, Pradeep Kumar Jayaraman, Hang Chu +8

Physical products are often complex assemblies combining a multitude of 3D parts modeled in computer-aided design (CAD) software. CAD designers build up these assemblies by alignin…

cs.CG2021★ 1 cited

Inferring CAD Modeling Sequences Using Zone Graphs

Xianghao Xu, Wenzhe Peng, Chin-Yi Cheng +2

In computer-aided design (CAD), the ability to "reverse engineer" the modeling steps used to create 3D shapes is a long-sought-after goal. This process can be decomposed into two s…

cs.LG2021★ 1 cited

Engineering Sketch Generation for Computer-Aided Design

Karl D. D. Willis, Pradeep Kumar Jayaraman, Joseph G. Lambourne +2

Engineering sketches form the 2D basis of parametric Computer-Aided Design (CAD), the foremost modeling paradigm for manufactured objects. In this paper we tackle the problem of le…

cs.LG2021

BRepNet: A topological message passing system for solid models

Joseph G. Lambourne, Karl D. D. Willis, Pradeep Kumar Jayaraman +3

Boundary representation (B-rep) models are the standard way 3D shapes are described in Computer-Aided Design (CAD) applications. They combine lightweight parametric curves and surf…

cs.LG2020★ 10 cited

Fusion 360 Gallery: A Dataset and Environment for Programmatic CAD Construction from Human Design Sequences

Karl D. D. Willis, Yewen Pu, Jieliang Luo +5

Parametric computer-aided design (CAD) is a standard paradigm used to design manufactured objects, where a 3D shape is represented as a program supported by the CAD software. Despi…