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We present a novel approach for completing and reconstructing 3D shapes from incomplete scanned data by using deep neural networks. Rather than being trained on supervised completion tasks and applied on a testing shape, the network is…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Lei Chu , Hao Pan , Wenping Wang

Fusing medical images and the corresponding 3D shape representation can provide complementary information and microstructure details to improve the operational performance and accuracy in brain surgery. However, compared to the substantial…

Image and Video Processing · Electrical Eng. & Systems 2021-07-22 Bowen Hu , Baiying Lei , Yanyan Shen , Yong Liu , Shuqiang Wang

Recently, convolutional neural networks (CNNs) have achieved excellent performances in many computer vision tasks. Specifically, for hyperspectral images (HSIs) classification, CNNs often require very complex structure due to the high…

Computer Vision and Pattern Recognition · Computer Science 2019-03-26 Haitao Zhang , Lingguo Meng , Xian Wei , Xiaoliang Tang , Xuan Tang , Xingping Wang , Bo Jin , Wei Yao

Neural implicit functions have achieved impressive results for reconstructing 3D shapes from single images. However, the image features for describing 3D point samplings of implicit functions are less effective when significant variations…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Yixin Zhuang , Yunzhe Liu , Yujie Wang , Baoquan Chen

There is much recent interest in techniques to accelerate the data acquisition process in MRI by acquiring limited measurements. Often sophisticated reconstruction algorithms are deployed to maintain high image quality in such settings. In…

Image and Video Processing · Electrical Eng. & Systems 2022-05-20 Zhishen Huang , Saiprasad Ravishankar

A central challenge in data visualization is to understand which data samples are required to generate an image of a data set in which the relevant information is encoded. In this work, we make a first step towards answering the question of…

Graphics · Computer Science 2021-03-12 Sebastian Weiss , Mustafa Işık , Justus Thies , Rüdiger Westermann

We propose a new representation for encoding 3D shapes as neural fields. The representation is designed to be compatible with the transformer architecture and to benefit both shape reconstruction and shape generation. Existing works on…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Biao Zhang , Matthias Nießner , Peter Wonka

In recent studies on MRI reconstruction, advances have shown significant promise for further accelerating the MRI acquisition. Most state-of-the-art methods require a large amount of fully-sampled data to optimise reconstruction models,…

Image and Video Processing · Electrical Eng. & Systems 2023-12-04 Junwei Yang , Pietro Liò

Parametric point clouds are sampled from CAD shapes and are becoming increasingly common in industrial manufacturing. Most CAD-specific deep learning methods focus on geometric features, while overlooking constraints inherent in CAD shapes.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Xi Cheng , Ruiqi Lei , Di Huang , Zhichao Liao , Fengyuan Piao , Yan Chen , Pingfa Feng , Long Zeng

A novel neural network inspired by Cauchy's integral formula, is proposed for function approximation tasks that include time series forecasting, missing data imputation, etc. Hence, the novel neural network is named CauchyNet. By embedding…

Machine Learning · Computer Science 2025-10-14 Hong-Kun Zhang , Xin Li , Sikun Yang , Zhihong Xia

When it comes to the optimization of CAD models in the automation domain, neural networks currently play only a minor role. Optimizing abstract features such as automation capability is challenging, since they can be very difficult to…

Computer Vision and Pattern Recognition · Computer Science 2023-03-23 Jannes Elstner , Raoul G. C. Schönhof , Steffen Tauber , Marco F Huber

CAD (Computer-Aided Design) plays a crucial role in mechanical industry, where large numbers of similar-shaped CAD parts are often created. Efficiently reusing these parts is key to reducing design and production costs for enterprises.…

Information Retrieval · Computer Science 2024-06-19 Yuhan Quan , Huan Zhao , Jinfeng Yi , Yuqiang Chen

Capsule Networks, as alternatives to Convolutional Neural Networks, have been proposed to recognize objects from images. The current literature demonstrates many advantages of CapsNets over CNNs. However, how to create explanations for…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Jindong Gu , Volker Tresp

We propose a deep neural network for supervised learning on neuroanatomical shapes. The network directly operates on raw point clouds without the need for mesh processing or the identification of point correspondences, as spatial…

Computer Vision and Pattern Recognition · Computer Science 2018-06-05 Benjamin Gutierrez-Becker , Christian Wachinger

Recent advancements in signal processing and machine learning domains have resulted in an extensive surge of interest in deep learning models due to their unprecedented performance and high accuracy for different and challenging problems of…

Computer Vision and Pattern Recognition · Computer Science 2018-03-01 Atefeh Shahroudnejad , Arash Mohammadi , Konstantinos N. Plataniotis

We propose to represent shapes as the deformation and combination of learnable elementary 3D structures, which are primitives resulting from training over a collection of shape. We demonstrate that the learned elementary 3D structures lead…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Theo Deprelle , Thibault Groueix , Matthew Fisher , Vladimir G. Kim , Bryan C. Russell , Mathieu Aubry

Affordance detection from visual input is a fundamental step in autonomous robotic manipulation. Existing solutions to the problem of affordance detection rely on convolutional neural networks. However, these networks do not consider the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-11 Antonio Rodríguez-Sánchez , Simon Haller-Seeber , David Peer , Chris Engelhardt , Jakob Mittelberger , Matteo Saveriano

Human perception of 3D shapes goes beyond reconstructing them as a set of points or a composition of geometric primitives: we also effortlessly understand higher-level shape structure such as the repetition and reflective symmetry of object…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Yonglong Tian , Andrew Luo , Xingyuan Sun , Kevin Ellis , William T. Freeman , Joshua B. Tenenbaum , Jiajun Wu

Convolutional neural network (CNN) is widely used in computer vision applications. In the networks that deal with images, CNNs are the most time-consuming layer of the networks. Usually, the solution to address the computation cost is to…

Computer Vision and Pattern Recognition · Computer Science 2019-11-26 Meisam Rakhshanfar

Many robotic tasks involving some form of 3D visual perception greatly benefit from a complete knowledge of the working environment. However, robots often have to tackle unstructured environments and their onboard visual sensors can only…

Computer Vision and Pattern Recognition · Computer Science 2022-10-24 Andrea Rosasco , Stefano Berti , Fabrizio Bottarel , Michele Colledanchise , Lorenzo Natale