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With the advancement of generative AI, research on its application to 3D model generation has gained traction, particularly in automating the creation of Computer-Aided Design (CAD) files from images. GenCAD is a notable model in this…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Chikaha Tsuji , Enrique Flores Medina , Harshit Gupta , Md Ferdous Alam

Autoencoding, which aims to reconstruct the input images through a bottleneck latent representation, is one of the classic feature representation learning strategies. It has been shown effective as an auxiliary task for semi-supervised…

计算机视觉与模式识别 · 计算机科学 2023-03-20 Yuhao Lin , Haiming Xu , Lingqiao Liu , Jinan Zou , Javen Qinfeng Shi

Motivated by the advances in 3D sensing technology and the spreading of low-cost robotic platforms, 3D object reconstruction has become a common task in many areas. Nevertheless, the selection of the optimal sensor pose that maximizes the…

计算机视觉与模式识别 · 计算机科学 2021-01-27 Miguel Mendoza , J. Irving Vasquez-Gomez , Hind Taud , Luis Enrique Sucar , Carolina Reta

We introduce CAPRI-Net, a neural network for learning compact and interpretable implicit representations of 3D computer-aided design (CAD) models, in the form of adaptive primitive assemblies. Our network takes an input 3D shape that can be…

计算机视觉与模式识别 · 计算机科学 2021-04-13 Fenggen Yu , Zhiqin Chen , Manyi Li , Aditya Sanghi , Hooman Shayani , Ali Mahdavi-Amiri , Hao Zhang

Recent advancements in deep learning opened new opportunities for learning a high-quality 3D model from a single 2D image given sufficient training on large-scale data sets. However, the significant imbalance between available amount of…

计算机视觉与模式识别 · 计算机科学 2017-11-28 Lingjing Wang , Yi Fang

The design and analysis of Computer-Aided Design (CAD) sketches play a crucial role in industrial product design, primarily involving CAD primitives and their inter-primitive constraints. To address challenges related to error accumulation…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Xiaogang Wang , Liang Wang , Hongyu Wu , Guoqiang Xiao , Kai Xu

Creating CAD digital twins from the physical world is crucial for manufacturing, design, and simulation. However, current methods typically rely on costly 3D scanning with labor-intensive post-processing. To provide a user-friendly design…

计算机视觉与模式识别 · 计算机科学 2025-04-11 Cheng Chen , Jiacheng Wei , Tianrun Chen , Chi Zhang , Xiaofeng Yang , Shangzhan Zhang , Bingchen Yang , Chuan-Sheng Foo , Guosheng Lin , Qixing Huang , Fayao Liu

Traditional TCAD simulation has succeeded in predicting and optimizing the device performance; however, it still faces a massive challenge - a high computational cost. There have been many attempts to replace TCAD with deep learning, but it…

信号处理 · 电气工程与系统科学 2022-04-21 Sanghoon Myung , Wonik Jang , Seonghoon Jin , Jae Myung Choe , Changwook Jeong , Dae Sin Kim

The objective of this paper is 3D shape understanding from single and multiple images. To this end, we introduce a new deep-learning architecture and loss function, SilNet, that can handle multiple views in an order-agnostic manner. The…

计算机视觉与模式识别 · 计算机科学 2017-11-22 Olivia Wiles , Andrew Zisserman

In this paper we present ActiveStereoNet, the first deep learning solution for active stereo systems. Due to the lack of ground truth, our method is fully self-supervised, yet it produces precise depth with a subpixel precision of $1/30th$…

Witnessed the development of deep learning, increasing number of studies try to build computer aided diagnosis systems for 3D volumetric medical data. However, as the annotations of 3D medical data are difficult to acquire, the number of…

计算机视觉与模式识别 · 计算机科学 2019-10-08 Xinrui Zhuang , Yuexiang Li , Yifan Hu , Kai Ma , Yujiu Yang , Yefeng Zheng

X-ray Computed Tomography (CT) is widely used in clinical applications such as diagnosis and image-guided interventions. In this paper, we propose a new deep learning based model for CT image reconstruction with the backbone network…

图像与视频处理 · 电气工程与系统科学 2020-09-21 Haimiao Zhang , Baodong Liu , Hengyong Yu , Bin Dong

We have developed a convolutional neural network (CNN) to reconstruct the shape of irregular rough particles from their interferometric images. The CNN is based on a UNET architecture with residual block modules. The database has been…

计算机视觉与模式识别 · 计算机科学 2024-08-08 Alexis Abad , Alexandre Poux , Alexis Boulet , Marc Brunel

In this paper we address the problem of representing 3D visual data with parameterized volumetric shape primitives. Specifically, we present a (two-stage) approach built around convolutional neural networks (CNNs) capable of segmenting…

计算机视觉与模式识别 · 计算机科学 2020-01-29 Jaka Šircelj , Tim Oblak , Klemen Grm , Uroš Petković , Aleš Jaklič , Peter Peer , Vitomir Štruc , Franc Solina

This paper explores the challenge of teaching a machine how to reverse-engineer the grid-marked surfaces used to represent data in 3D surface plots of two-variable functions. These are common in scientific and economic publications; and…

计算机视觉与模式识别 · 计算机科学 2021-06-15 Laura E. Brandt , William T. Freeman

It has been a longstanding goal in computer vision to describe the 3D physical space in terms of parameterized volumetric models that would allow autonomous machines to understand and interact with their surroundings. Such models are…

计算机视觉与模式识别 · 计算机科学 2020-07-29 Tim Oblak , Klemen Grm , Aleš Jaklič , Peter Peer , Vitomir Štruc , Franc Solina

This paper is about reducing the cost of building good large-scale 3D reconstructions post-hoc. We render 2D views of an existing reconstruction and train a convolutional neural network (CNN) that refines inverse-depth to match a…

计算机视觉与模式识别 · 计算机科学 2020-01-23 Ştefan Săftescu , Paul Newman

Aiming at inferring 3D shapes from 2D images, 3D shape reconstruction has drawn huge attention from researchers in computer vision and deep learning communities. However, it is not practical to assume that 2D input images and their…

计算机视觉与模式识别 · 计算机科学 2018-11-30 Yi-Lun Liao , Yao-Cheng Yang , Yu-Chiang Frank Wang

Learning a set of tasks over time, also known as continual learning (CL), is one of the most challenging problems in artificial intelligence. While recent approaches achieve some degree of CL in deep neural networks, they either (1) grow…

机器学习 · 计算机科学 2019-07-15 Blake Camp , Jaya Krishna Mandivarapu , Rolando Estrada

We propose a method for 3D shape reconstruction from unoriented point clouds. Our method consists of a novel SE(3)-equivariant coordinate-based network (TF-ONet), that parametrizes the occupancy field of the shape and respects the inherent…

计算机视觉与模式识别 · 计算机科学 2023-02-13 Evangelos Chatzipantazis , Stefanos Pertigkiozoglou , Edgar Dobriban , Kostas Daniilidis