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Reverse engineering and rapid prototyping of computer-aided design (CAD) models from 3D scans, sketches, or simple text prompts are vital in industrial product design. However, recent advances in geometric deep learning techniques lack a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Pritham Kumar Jena , Bhavika Baburaj , Tushar Anand , Vedant Dutta , Vineeth Ulavala , Sk Aziz Ali

The boundary representation (B-Rep) is the standard data structure used in Computer-Aided Design (CAD) for defining solid models. Despite recent progress, directly generating B-Reps end-to-end with precise geometry and watertight topology…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Xiang Xu , Pradeep Kumar Jayaraman , Joseph G. Lambourne , Yilin Liu , Durvesh Malpure , Pete Meltzer

We introduce BuildingNet: (a) a large-scale dataset of 3D building models whose exteriors are consistently labeled, (b) a graph neural network that labels building meshes by analyzing spatial and structural relations of their geometric…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Pratheba Selvaraju , Mohamed Nabail , Marios Loizou , Maria Maslioukova , Melinos Averkiou , Andreas Andreou , Siddhartha Chaudhuri , Evangelos Kalogerakis

Accurately predicting the physical and chemical properties of materials remains one of the most challenging tasks in material design, and one effective strategy is to construct a reliable data set and use it for training a machine learning…

Materials Science · Physics 2021-12-30 Pin Chen , Jianwen Chen , Hui Yan , Qing Mo , Zexin Xu , Jinyu Liu , Wenqing Zhang , Yuedong Yang , Yutong Lu

We present CapBench, a fully reproducible, multi-PDK dataset for capacitance extraction. The dataset is derived from open-source designs, including single-core CPUs, systems-on-chip, and media accelerators. All designs are fully placed and…

Hardware Architecture · Computer Science 2026-04-14 Hector R. Rodriguez , Jiechen Huang , Wenjian Yu

Artificial intelligence in construction increasingly depends on structured representations such as Building Information Models and knowledge graphs, yet early-stage building designs are predominantly created as flexible…

Computation · Statistics 2026-01-26 Jun Xiao , Qiong Wang , Yihui Li , Zhexuan Yu , Hao Zhou , Borong Lin

Accurate information on the number of building floors, or above-ground storeys, is essential for household estimation, utility provision, risk assessment, evacuation planning, and energy modeling. Yet large-scale floor-count data are rarely…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Yao Sun , Sining Chen , Yifan Tian , Xiao Xiang Zhu

Direct B-Rep generation is increasingly important in CAD workflows, eliminating costly modeling sequence data and supporting complex features. A key challenge is modeling joint distribution of the misaligned geometry and topology. Existing…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Weilin Lai , Tie Xu , Hu Wang

3D building models are critical for applications in architecture, energy simulation, and navigation. Yet, generating accurate and semantically rich 3D buildings automatically remains a major challenge due to the lack of large-scale…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Kevin Mayer , Alex Vesel , Xinyi Zhao , Martin Fischer

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…

Accurate 3D reconstruction of objects with reflective, transparent, or low-texture surfaces still remains notoriously challenging. Such materials often violate key assumptions in multi-view reconstruction pipelines, such as photometric…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Zhicheng Liang , Haoyi Yu , Boyan Li , Dayou Zhang , Zijian Cao , Tianyi Gong , Junhua Liu , Shuguang Cui , Fangxin Wang

We present the P$^3$ dataset, a large-scale multimodal benchmark for building vectorization, constructed from aerial LiDAR point clouds, high-resolution aerial imagery, and vectorized 2D building outlines, collected across three continents.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Raphael Sulzer , Liuyun Duan , Nicolas Girard , Florent Lafarge

In machining process, 3D reverse engineering of the mechanical system is an integral, highly important, and yet time consuming step to obtain parametric CAD models from 3D scans. Therefore, deep learning-based Scan-to-CAD modeling can offer…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Sk Aziz Ali , Mohammad Sadil Khan , Didier Stricker

Three-dimensional building generation is vital for applications in gaming, virtual reality, and digital twins, yet current methods face challenges in producing diverse, structured, and hierarchically coherent buildings. We propose…

Graphics · Computer Science 2025-05-08 Junming Huang , Chi Wang , Letian Li , Changxin Huang , Qiang Dai , Weiwei Xu

We view the reconstruction of CAD models in the boundary representation (B-Rep) as the detection of geometric primitives of different orders, i.e. vertices, edges and surface patches, and the correspondence of primitives, which are…

Computer Vision and Pattern Recognition · Computer Science 2022-05-31 Haoxiang Guo , Shilin Liu , Hao Pan , Yang Liu , Xin Tong , Baining Guo

The development of learning-based hyperspectral image compression methods has recently attracted great attention in remote sensing. Such methods require a high number of hyperspectral images to be used during training to optimize all…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Martin Hermann Paul Fuchs , Begüm Demir

A deep understanding of the physical world is a central goal for embodied AI and realistic simulation. While current models excel at capturing an object's surface geometry and appearance, they largely neglect its internal physical…

Computer Vision and Pattern Recognition · Computer Science 2025-12-12 Jingxuan Zhang , Tianqi Yu , Yatu Zhang , Jinze Wu , Kaixin Yao , Jingyang Liu , Yuyao Zhang , Jiayuan Gu , Jingyi Yu

Understanding urban dynamics and promoting sustainable development requires comprehensive insights about buildings. While geospatial artificial intelligence has advanced the extraction of such details from Earth observational data, existing…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Zhen Qian , Min Chen , Zhuo Sun , Fan Zhang , Qingsong Xu , Jinzhao Guo , Zhiwei Xie , Zhixin Zhang

Accurate building segmentation from high-resolution RGB imagery remains challenging due to spectral similarity with non-building features, shadows, and irregular building geometries. In this study, we present a comprehensive deep learning…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Chintan B. Maniyar , Minakshi Kumar , Gengchen Mai

Content-based mammographic image retrieval systems require exact BIRADS categorical matching across five distinct classes, presenting significantly greater complexity than binary classification tasks commonly addressed in literature.…

Image and Video Processing · Electrical Eng. & Systems 2025-12-18 MD Shaikh Rahman , Feiroz Humayara , Syed Maudud E Rabbi , Muhammad Mahbubur Rashid
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