English
Related papers

Related papers: BrepForge: Factorized B-rep Synthesis via Wirefram…

200 papers

We introduce a novel representation for learning and generating Computer-Aided Design (CAD) models in the form of $\textit{boundary representations}$ (B-Reps). Our representation unifies the continuous geometric properties of B-Rep…

Graphics · Computer Science 2025-05-13 Yilin Liu , Duoteng Xu , Xingyao Yu , Xiang Xu , Daniel Cohen-Or , Hao Zhang , Hui Huang

Parametric CAD models, represented as Boundary Representations (B-reps), are foundational to modern design and manufacturing workflows, offering the precision and topological breakdown required for downstream tasks such as analysis,…

Graphics · Computer Science 2025-04-08 James Noeckel , Benjamin Jones , Adriana Schulz , Brian Curless

Meshes serve as a primary representation for 3D assets. Autoregressive mesh generators serialize faces into sequences and train on truncated segments with sliding-window inference to cope with memory limits. However, this mismatch breaks…

Computer Vision and Pattern Recognition · Computer Science 2025-12-10 Junkai Lin , Hang Long , Huipeng Guo , Jielei Zhang , JiaYi Yang , Tianle Guo , Yang Yang , Jianwen Li , Wenxiao Zhang , Matthias Nießner , Wei Yang

While accurate and user-friendly Computer-Aided Design (CAD) is crucial for industrial design and manufacturing, existing methods still struggle to achieve this due to their over-simplified representations or architectures incapable of…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Jianyu Wu , Yizhou Wang , Xiangyu Yue , Xinzhu Ma , Jingyang Guo , Dongzhan Zhou , Wanli Ouyang , Shixiang Tang

Video frame interpolation (VFI), which generates intermediate frames from given start and end frames, has become a fundamental function in video generation applications. However, existing generative VFI methods are constrained to synthesize…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Guozhen Zhang , Haiguang Wang , Chunyu Wang , Yuan Zhou , Qinglin Lu , Limin Wang

Boundary Representation (BRep) is the standard format for Computer-Aided Design (CAD), yet reconstructing high-quality BReps from single-view images remains challenging due to the complexity of topological constraints and operation…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Shiyu Tan , Zixuan Zhao , Hao Gao , Zhiheng Chen , Xiaolong Yin , Enya Shen

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 sub-problems: converting an input mesh or point cloud into a…

Computational Geometry · Computer Science 2021-04-22 Xianghao Xu , Wenzhe Peng , Chin-Yi Cheng , Karl D. D. Willis , Daniel Ritchie

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 surfaces with topological information which connects the…

The field of Computer-Aided Design (CAD) generation has made significant progress in recent years. Existing methods typically fall into two separate categories: parametric CAD modeling and direct boundary representation (B-Rep) synthesis.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Jiahao Li , Qingwang Zhang , Qiuyu Chen , Guozhan Qiu , Yunzhong Lou , Xiangdong Zhou

We propose a trait-specific image generation method that models forehead creases geometrically using B-spline and B\'ezier curves. This approach ensures the realistic generation of both principal creases and non-prominent crease patterns,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-24 Abhishek Tandon , Geetanjali Sharma , Gaurav Jaswal , Aditya Nigam , Raghavendra Ramachandra

Large language models can generate plausible code, but remain brittle for formal verification in proof assistants such as Lean. A central scalability challenge is that verified synthesis requires consistent artifacts across several coupled…

Machine Learning · Computer Science 2026-05-15 Robert Joseph George , Carson Eisenach , Udaya Ghai , Dominique Perrault-Joncas , Anima Anandkumar , Dean Foster

Boundary Representation (B-Rep) is the de facto representation of 3D solids in Computer-Aided Design (CAD). B-Rep solids are defined with a set of NURBS (Non-Uniform Rational B-Splines) surfaces forming a closed volume. To represent a…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Jiajie Fan , Babak Gholami , Thomas Bäck , Hao Wang

Birefringent metasurfaces are two-dimensional structures capable of independently controlling the amplitude, phase and polarization of orthogonally polarized incident waves. In this work, we propose a in-depth discussion on the mathematical…

Optics · Physics 2016-07-20 Karim Achouri , Guillaume Lavigne and , Christophe Caloz

We introduce a novel method for acquiring boundary representations (B-Reps) of 3D CAD models which involves a two-step process: it first applies a spatial partitioning, referred to as the ``split``, followed by a ``fit`` operation to derive…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Yilin Liu , Jiale Chen , Shanshan Pan , Daniel Cohen-Or , Hao Zhang , Hui Huang

We introduce UV-Net, a novel neural network architecture and representation designed to operate directly on Boundary representation (B-rep) data from 3D CAD models. The B-rep format is widely used in the design, simulation and manufacturing…

Computer Vision and Pattern Recognition · Computer Science 2021-04-27 Pradeep Kumar Jayaraman , Aditya Sanghi , Joseph G. Lambourne , Karl D. D. Willis , Thomas Davies , Hooman Shayani , Nigel Morris

Autoregressive video synthesis offers a promising pathway for infinite-horizon generation but is fundamentally hindered by three intertwined challenges: semantic forgetting from context limitations, visual drift due to positional…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Jintao Chen , Chengyu Bai , Junjun Hu , Xinda Xue , Mu Xu

Combinatorial optimization problems are ubiquitous in science and engineering. Still, learning-based approaches to accelerate combinatorial optimization often require solving a large number of difficult instances to collect training data,…

Machine Learning · Computer Science 2025-09-25 Zohair Shafi , Serdar Kadioglu

Diffusion-based 3D generation has made remarkable progress in recent years. However, existing 3D generative models often produce overly dense and unstructured meshes, which stand in stark contrast to the compact, structured, and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Yuan Li , Cheng Lin , Yuan Liu , Xiaoxiao Long , Chenxu Zhang , Ningna Wang , Xin Li , Wenping Wang , Xiaohu Guo

The use of large-scale, web-scraped datasets to train face recognition models has raised significant privacy and bias concerns. Synthetic methods mitigate these concerns and provide scalable and controllable face generation to enable fair…

Computer Vision and Pattern Recognition · Computer Science 2025-04-18 Michael Yeung , Toya Teramoto , Songtao Wu , Tatsuo Fujiwara , Kenji Suzuki , Tamaki Kojima

Physically-based rendering (PBR) materials are fundamental to photorealistic graphics, yet their creation remains labor-intensive and requires specialized expertise. While generative models have advanced material synthesis, existing methods…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Di Luo , Shuhui Yang , Mingxin Yang , Jiawei Lu , Yixuan Tang , Xintong Han , Zhuo Chen , Beibei Wang , Chunchao Guo