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Computer-aided design (CAD) tools empower designers to design and modify 3D models through a series of CAD operations, commonly referred to as a CAD sequence. In scenarios where digital CAD files are not accessible, reverse engineering (RE)…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Xingang Li , Zhenghui Sha

Three-dimensional (3D) multi-slab imaging is a promising approach for high-resolution in vivo diffusion MRI (dMRI) due to its compatibility with short TR (1-2 s), providing optimal signal-to-noise ratio (SNR) efficiency. A major challenge,…

Medical Physics · Physics 2026-02-10 Ziyu Li , Karla L. Miller , Wenchuan Wu

Recognizing geometric features on B-rep models is a cornerstone technique for multimedia content-based retrieval and has been widely applied in intelligent manufacturing. However, previous research often merely focused on Machining Feature…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Yongkang Dai , Xiaoshui Huang , Yunpeng Bai , Hao Guo , Hongping Gan , Ling Yang , Yilei Shi

Significant progress has been made in boundary detection with the help of convolutional neural networks. Recent boundary detection models not only focus on real object boundary detection but also "crisp" boundaries (precisely localized…

Computer Vision and Pattern Recognition · Computer Science 2021-03-10 Yi-Jun Cao , Chuan Lin , Yong-Jie Li

Generation of computer-aided design (CAD) models from multi-view images may be useful in many practical applications. To date, this problem is usually solved with an intermediate point-cloud reconstruction and involves manual work to create…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Henrik Jobczyk , Hanno Homann

Large Computer-Aided Design (CAD) projects usually require collaboration across many different CAD systems as well as applications that interoperate with them for manufacturing, visualization, or simulation. A fundamental barrier to such…

Graphics · Computer Science 2023-06-07 Benjamin Jones , James Noeckel , Milin Kodnongbua , Ilya Baran , Adriana Schulz

We present Scan2CAD, a novel data-driven method that learns to align clean 3D CAD models from a shape database to the noisy and incomplete geometry of a commodity RGB-D scan. For a 3D reconstruction of an indoor scene, our method takes as…

Computer Vision and Pattern Recognition · Computer Science 2018-11-29 Armen Avetisyan , Manuel Dahnert , Angela Dai , Manolis Savva , Angel X. Chang , Matthias Nießner

Boundary representation (B-rep) of geometric models is a fundamental format in Computer-Aided Design (CAD). However, automatically generating valid and high-quality B-rep models remains challenging due to the complex interdependence between…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Jing Li , Yihang Fu , Falai Chen

Graph-based machine learning has emerged as a promising approach for manufacturability analysis by learning directly from CAD models represented as Boundary Representations (B-reps), exploiting both surface geometry and topological…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Matteo Ballegeer , Toon Van Camp , Willem Jaspers , Alp Bayar , Aung Nyein Soe , Martin Roelfs , Dries F. Benoit , Bieke Decraemer , Joost R. Duflou

The rapid increment of morbidity of brain stroke in the last few years have been a driving force towards fast and accurate segmentation of stroke lesions from brain MRI images. With the recent development of deep-learning, computer-aided…

Image and Video Processing · Electrical Eng. & Systems 2021-10-25 Hritam Basak , Rukhshanda Hussain , Ajay Rana

Many CAD learning pipelines discretize Boundary Representations (B-Reps) into triangle meshes, discarding analytic surface structure and topological adjacency and thereby weakening consistent instance-level analysis. We present STEP-Parts,…

Graphics · Computer Science 2026-04-21 Shen Fan , Mikołaj Kida , Przemyslaw Musialski

Ongoing advancements in the fields of 3D modelling and digital archiving have led to an outburst in the amount of data stored digitally. Consequently, several retrieval systems have been developed depending on the type of data stored in…

Computer Vision and Pattern Recognition · Computer Science 2021-07-21 Bharadwaj Manda , Shubham Dhayarkar , Sai Mitheran , V. K. Viekash , Ramanathan Muthuganapathy

Computer-Aided Design (CAD) relies on structured and editable geometric representations, yet existing generative methods are constrained by small annotated datasets with explicit design histories or boundary representation (BRep) labels.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Mohammad Sadil Khan , Muhammad Usama , Rolandos Alexandros Potamias , Didier Stricker , Muhammad Zeshan Afzal , Jiankang Deng , Ismail Elezi

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

This paper presents a deep learning approach for the classification of Engineering (CAD) models using Convolutional Neural Networks (CNNs). Owing to the availability of large annotated datasets and also enough computational power in the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-15 Bharadwaj Manda , Pranjal Bhaskare , Ramanathan Muthuganapathy

Recent advancements in deep learning have actively addressed complex challenges within the Computer-Aided Design (CAD) domain.However, most existing approaches rely on task-specifi c models requiring structural modifi cations for new tasks,…

Machine Learning · Computer Science 2026-03-03 Mingi Kim , Yongjun Kim , Jungwoo Kang , Hyungki Kim

In modern electronic manufacturing, defect detection on Printed Circuit Boards (PCBs) plays a critical role in ensuring product yield and maintaining the reliability of downstream assembly processes. However, existing methods often suffer…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Jiangzhong Cao , Huanqi Wu , Xu Zhang , Lianghong Tan , Huan Zhang

Object detection algorithms are pivotal components of unmanned aerial vehicle (UAV) imaging systems, extensively employed in complex fields. However, images captured by high-mobility UAVs often suffer from motion blur cases, which…

Computer Vision and Pattern Recognition · Computer Science 2024-10-24 Qingpeng Li , Yuxin Zhang , Leyuan Fang , Yuhan Kang , Shutao Li , Xiao Xiang Zhu

Traditional 3D face models learn a latent representation of faces using linear subspaces from limited scans of a single database. The main roadblock of building a large-scale face model from diverse 3D databases lies in the lack of dense…

Computer Vision and Pattern Recognition · Computer Science 2019-08-15 Feng Liu , Luan Tran , Xiaoming Liu

In this work, we present a novel 3D-Convolutional Neural Network (CNN) architecture called I2I-3D that predicts boundary location in volumetric data. Our fine-to-fine, deeply supervised framework addresses three critical issues to 3D…

Computer Vision and Pattern Recognition · Computer Science 2016-05-27 Jameson Merkow , David Kriegman , Alison Marsden , Zhuowen Tu