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Deep learning with 3D data has progressed significantly since the introduction of convolutional neural networks that can handle point order ambiguity in point cloud data. While being able to achieve good accuracies in various scene…

计算机视觉与模式识别 · 计算机科学 2019-08-20 Zhiyuan Zhang , Binh-Son Hua , Sai-Kit Yeung

Point clouds are unstructured and unordered data, as opposed to images. Thus, most machine learning approach developed for image cannot be directly transferred to point clouds. In this paper, we propose a generalization of discrete…

计算机视觉与模式识别 · 计算机科学 2020-02-20 Alexandre Boulch

Let $C$ be a nonempty closed and convex subset of a uniformly smooth and uniformly convex real Banach space $E$ with dual space $E^*$. We present a novel hybrid method for finding a common solution of a family of equilibrium problems, a…

泛函分析 · 数学 2022-08-17 Markjoe O. Uba , Maria A. Onyido , Cyril I. Udeani , Peter U. Nwokoro

We study the extragradient method for solving vector quasi-equilibrium problems in Banach spaces, which generalizes the extragradient method for vector equilibrium problems and scalar quasi-equilibrium problems. We propose a regularization…

最优化与控制 · 数学 2021-05-24 Vahid Mohebbi

Equivariant neural networks are a class of neural networks designed to preserve symmetries inherent in the data. In this paper, we introduce a general method for modifying a neural network to enforce equivariance, a process we refer to as…

机器学习 · 计算机科学 2025-11-19 Erkao Bao , Jingcheng Lu , Linqi Song , Nathan Hart-Hodgson , William Parson , Yanheng Zhou

In this paper, we introduce new implicit and explicit iterative schemes which converge strongly to a unique solution of variational inequality problems for strongly accretive operators over a common fixed point set of finite family of…

泛函分析 · 数学 2010-07-07 Eric U. Ofoedu

Equivariance to symmetries has proven to be a powerful inductive bias in deep learning research. Recent works on mesh processing have concentrated on various kinds of natural symmetries, including translations, rotations, scaling, node…

机器学习 · 计算机科学 2022-08-30 Sourya Basu , Jose Gallego-Posada , Francesco Viganò , James Rowbottom , Taco Cohen

Analyzing the geometric and semantic properties of 3D point clouds through the deep networks is still challenging due to the irregularity and sparsity of samplings of their geometric structures. This paper presents a new method to define…

计算机视觉与模式识别 · 计算机科学 2019-04-18 Artem Komarichev , Zichun Zhong , Jing Hua

Recent developments in the field of quantum machine learning have promoted the idea of incorporating physical symmetries in the structure of quantum circuits. A crucial milestone in this area is the realization of $S_{n}$-permutation…

量子物理 · 物理学 2024-08-20 Zhelun Li , Lento Nagano , Koji Terashi

Equivariant networks are specifically designed to ensure consistent behavior with respect to a set of input transformations, leading to higher sample efficiency and more accurate and robust predictions. However, redesigning each component…

Recent foundational models for tabular data, such as TabPFN, excel at adapting to new tasks via in-context learning, but remain constrained to a fixed, pre-defined number of target dimensions-often necessitating costly ensembling…

机器学习 · 计算机科学 2026-01-08 Michael Arbel , David Salinas , Frank Hutter

This paper is concerned with a fundamental problem in geometric deep learning that arises in the construction of convolutional neural networks on surfaces. Due to curvature, the transport of filter kernels on surfaces results in a…

计算机视觉与模式识别 · 计算机科学 2020-06-03 Ruben Wiersma , Elmar Eisemann , Klaus Hildebrandt

Deep learning on point clouds has made a lot of progress recently. Many point cloud dedicated deep learning frameworks, such as PointNet and PointNet++, have shown advantages in accuracy and speed comparing to those using traditional 3D…

计算几何 · 计算机科学 2018-12-18 Guanghua Pan , Jun Wang , Rendong Ying , Peilin Liu

A truly generalizable approach to rigid segmentation and motion estimation is fundamental to 3D understanding of articulated objects and moving scenes. In view of the closely intertwined relationship between segmentation and motion…

计算机视觉与模式识别 · 计算机科学 2023-11-01 Jia-Xing Zhong , Ta-Ying Cheng , Yuhang He , Kai Lu , Kaichen Zhou , Andrew Markham , Niki Trigoni

This paper presents a novel framework combining group equivariant convolutional neural networks (G-CNNs) with equivariant-aware structured pruning to produce compact, transformation-invariant models for resource-constrained environments.…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Mohammed Alnemari

Point cloud registration is a foundational task for 3D alignment and reconstruction applications. While both traditional and learning-based registration approaches have succeeded, leveraging the intrinsic symmetry of point cloud data,…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Xueyang Kang , Zhaoliang Luan , Kourosh Khoshelham , Bing Wang

Learning from set-structured data, such as point clouds, has gained significant attention from the machine learning community. Geometric deep learning provides a blueprint for designing effective set neural networks that preserve the…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Abihith Kothapalli , Ashkan Shahbazi , Xinran Liu , Robert Sheng , Soheil Kolouri

Many successful deep learning architectures are equivariant to certain transformations in order to conserve parameters and improve generalization: most famously, convolution layers are equivariant to shifts of the input. This approach only…

机器学习 · 计算机科学 2021-03-31 Allan Zhou , Tom Knowles , Chelsea Finn

Network alignment is a critical task to a wide variety of fields. Many existing works leverage on representation learning to accomplish this task without eliminating domain representation bias induced by domain-dependent features, which…

机器学习 · 计算机科学 2019-08-16 Huiting Hong , Xin Li , Yuangang Pan , Ivor Tsang

Point cloud is an important type of 3D representation. However, directly applying convolutions on point clouds is challenging due to the sparse, irregular and unordered data structure. In this paper, we propose a novel Interpolated…

计算机视觉与模式识别 · 计算机科学 2019-08-14 Jiageng Mao , Xiaogang Wang , Hongsheng Li