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Point cloud analysis has drawn broader attentions due to its increasing demands in various fields. Despite the impressive performance has been achieved on several databases, researchers neglect the fact that the orientation of those point…

Computer Vision and Pattern Recognition · Computer Science 2019-11-07 Xiao Sun , Zhouhui Lian , Jianguo Xiao

The convenience of 3D sensors has led to an increase in the use of 3D point clouds in various applications. However, the differences in acquisition devices or scenarios lead to divergence in the data distribution of point clouds, which…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Zhimin Zhang , Xiang Gao , Wei Hu

Capsule networks are constrained by the parameter-expensive nature of their layers, and the general lack of provable equivariance guarantees. We present a variation of capsule networks that aims to remedy this. We identify that learning all…

Machine Learning · Computer Science 2019-09-27 Sairaam Venkatraman , S. Balasubramanian , R. Raghunatha Sarma

Anomaly detection and localization is an important vision problem, having multiple applications. Effective and generic semantic segmentation of anomalous regions on various different surfaces, where most anomalous regions inherently do not…

Computer Vision and Pattern Recognition · Computer Science 2021-12-03 Hrishikesh Sharma , Prakhar Pradhan , Balamuralidhar P

Learning meaningful local and global information remains a challenge in point cloud segmentation tasks. When utilizing local information, prior studies indiscriminately aggregates neighbor information from different classes to update query…

Computer Vision and Pattern Recognition · Computer Science 2024-08-23 Abiao Li , Chenlei Lv , Guofeng Mei , Yifan Zuo , Jian Zhang , Yuming Fang

In this paper, the existence and uniqueness of the fixed point for the product of two nonlinear operator in Banach algebra is discussed. In addition, an approximation method of the fixed point of hybrid nonlinear equations in Banach…

Functional Analysis · Mathematics 2022-01-19 Khaled Ben Amara , Maria Isabel Berenguer , Aref Jeribi

Semantic segmentation for aerial platforms has been one of the fundamental scene understanding task for the earth observation. Most of the semantic segmentation research focused on scenes captured in nadir view, in which objects have…

Computer Vision and Pattern Recognition · Computer Science 2021-02-08 Ye Lyu , George Vosselman , Gui-Song Xia , Michael Ying Yang

The ability of convolutional neural networks (CNNs) to recognize objects regardless of their position in the image is due to the translation-equivariance of the convolutional operation. Group-equivariant CNNs transfer this equivariance to…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Thomas Wimmer , Vladimir Golkov , Hoai Nam Dang , Moritz Zaiss , Andreas Maier , Daniel Cremers

A system of a first order history-dependent evolutionary variational-hemivariational inequality with unilateral constraints coupled with a nonlinear ordinary differential equation in a Banach space is studied. Based on a fixed point theorem…

Analysis of PDEs · Mathematics 2023-09-14 S. Migorski

Since the point cloud data is inherently irregular and unstructured, point cloud semantic segmentation has always been a challenging task. The graph-based method attempts to model the irregular point cloud by representing it as a graph;…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Wei Tao , Xiaoyang Qu , Kai Lu , Jiguang Wan , Shenglin He , Jianzong Wang

Numerous invariant (or equivariant) neural networks have succeeded in handling invariant data such as point clouds and graphs. However, a generalization theory for the neural networks has not been well developed, because several essential…

Machine Learning · Statistics 2021-06-22 Akiyoshi Sannai , Masaaki Imaizumi , Makoto Kawano

In neural networks, the property of being equivariant to transformations improves generalization when the corresponding symmetry is present in the data. In particular, scale-equivariant networks are suited to computer vision tasks where the…

Machine Learning · Statistics 2022-10-11 Mateus Sangalli , Samy Blusseau , Santiago Velasco-Forero , Jesus Angulo

Environment perception in autonomous driving vehicles often heavily relies on deep neural networks (DNNs), which are subject to domain shifts, leading to a significantly decreased performance during DNN deployment. Usually, this problem is…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Marvin Klingner , Mouadh Ayache , Tim Fingscheidt

Category-level object pose estimation aims to find 6D object poses of previously unseen object instances from known categories without access to object CAD models. To reduce the huge amount of pose annotations needed for category-level…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Xiaolong Li , Yijia Weng , Li Yi , Leonidas Guibas , A. Lynn Abbott , Shuran Song , He Wang

Traditional supervised learning aims to learn an unknown mapping by fitting a function to a set of input-output pairs with a fixed dimension. The fitted function is then defined on inputs of the same dimension. However, in many settings,…

Machine Learning · Computer Science 2024-05-01 Eitan Levin , Mateo Díaz

In aiming to apply to a broader class of examples the Avigad-Iovino "ultraproducts and metastability" approach to obtaining uniformity for convergence of sequences, we construct a framework using continuous logic that in particular is able…

Logic · Mathematics 2019-01-28 Simon Cho

Quantum neural network architectures that have little-to-no inductive biases are known to face trainability and generalization issues. Inspired by a similar problem, recent breakthroughs in machine learning address this challenge by…

Equivariant neural networks play a pivotal role in analyzing datasets with symmetry properties, particularly in complex data structures. However, integrating equivariance with Markov properties presents notable challenges due to the…

Machine Learning · Statistics 2025-03-04 Hui Li , Zhiguo Wang , Bohui Chen , Li Sheng

Image restoration is an inherently ill posed inverse problem. Equivariant networks that embed geometric symmetry priors can mitigate this ill posedness and improve performance. However, current understanding of the relationship between…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Feiyu Tan , Qi Xie , Zongben Xu , Deyu Meng

Neural architecture search (NAS) promises to make deep learning accessible to non-experts by automating architecture engineering of deep neural networks. BANANAS is one state-of-the-art NAS method that is embedded within the Bayesian…

Machine Learning · Computer Science 2021-07-16 Lennart Schneider , Florian Pfisterer , Martin Binder , Bernd Bischl
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