Secad-net: Self-supervised cad reconstruction by learning sketch-extrude operations

P Li, J Guo, X Zhang, DM Yan - Proceedings of the IEEE …, 2023 - openaccess.thecvf.com
Reverse engineering CAD models from raw geometry is a classic but strenuous research
problem. Previous learning-based methods rely heavily on labels due to the supervised …

Neurosymbolic models for computer graphics

D Ritchie, P Guerrero, RK Jones, NJ Mitra… - Computer graphics …, 2023 - Wiley Online Library
Procedural models (ie symbolic programs that output visual data) are a historically‐popular
method for representing graphics content: vegetation, buildings, textures, etc. They offer …

DCSG: Unsupervised Learning of Compact CSG Trees with Dual Complements and Dropouts

F Yu, Q Chen, M Tanveer… - Advances in Neural …, 2023 - proceedings.neurips.cc
Abstract We present D $^ 2$ CSG, a neural model composed of two dual and
complementary network branches, with dropouts, for unsupervised learning of compact …

Surface and edge detection for primitive fitting of point clouds

Y Li, S Liu, X Yang, J Guo, J Guo, Y Guo - ACM SIGGRAPH 2023 …, 2023 - dl.acm.org
Fitting primitives for point cloud data to obtain a structural representation has been widely
adopted for reverse engineering and other graphics applications. Existing segmentation …

Solidgen: An autoregressive model for direct b-rep synthesis

PK Jayaraman, JG Lambourne, N Desai… - arXiv preprint arXiv …, 2022 - arxiv.org
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 …

Sketch-a-shape: Zero-shot sketch-to-3d shape generation

A Sanghi, PK Jayaraman, A Rampini… - arXiv preprint arXiv …, 2023 - arxiv.org
Significant progress has recently been made in creative applications of large pre-trained
models for downstream tasks in 3D vision, such as text-to-shape generation. This motivates …

Transcad: A hierarchical transformer for cad sequence inference from point clouds

E Dupont, K Cherenkova, D Mallis, G Gusev… - … on Computer Vision, 2025 - Springer
Abstract 3D reverse engineering, in which a CAD model is inferred given a 3D scan of a
physical object, is a research direction that offers many promising practical applications. This …

Hierarchical neural coding for controllable cad model generation

X Xu, PK Jayaraman, JG Lambourne… - arXiv preprint arXiv …, 2023 - arxiv.org
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 …

SHARP Challenge 2023: Solving CAD History and pArameters Recovery from Point clouds and 3D scans. Overview, Datasets, Metrics, and Baselines.

D Mallis, AS Aziz, E Dupont… - Proceedings of the …, 2023 - openaccess.thecvf.com
Recent breakthroughs in geometric deep learning (DL) and the availability of large computer-
aided design (CAD) datasets have advanced the research on learning CAD modeling …

Split-and-fit: Learning b-reps via structure-aware voronoi partitioning

Y Liu, J Chen, S Pan, D Cohen-Or, H Zhang… - ACM Transactions on …, 2024 - dl.acm.org
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 …