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The translational equivariant nature of Convolutional Neural Networks (CNNs) is a reason for its great success in computer vision. However, networks do not enjoy more general equivariance properties such as rotation or scaling, ultimately…

计算机视觉与模式识别 · 计算机科学 2023-03-02 Zikai Sun , Thierry Blu

Nowadays there is a big spotlight cast on the development of techniques of explainable machine learning. Here we introduce a new computational paradigm based on Group Equivariant Non-Expansive Operators, that can be regarded as the product…

We propose the use of group convolutional neural network architectures (GCNNs) equivariant to the 2D Euclidean group, $E(2)$, for the task of galaxy morphology classification by utilizing symmetries of the data present in galaxy images as…

星系天体物理 · 物理学 2023-11-06 Sneh Pandya , Purvik Patel , Franc O , Jonathan Blazek

Transformation Equivariant Representations (TERs) aim to capture the intrinsic visual structures that equivary to various transformations by expanding the notion of {\em translation} equivariance underlying the success of Convolutional…

计算机视觉与模式识别 · 计算机科学 2019-11-19 Guo-Jun Qi , Liheng Zhang , Xiao Wang

Many scientific problems require to process data in the form of geometric graphs. Unlike generic graph data, geometric graphs exhibit symmetries of translations, rotations, and/or reflections. Researchers have leveraged such inductive bias…

机器学习 · 计算机科学 2022-02-23 Jiaqi Han , Yu Rong , Tingyang Xu , Wenbing Huang

We study how group symmetry helps improve data efficiency and generalization for end-to-end differentiable planning algorithms when symmetry appears in decision-making tasks. Motivated by equivariant convolution networks, we treat the path…

机器学习 · 计算机科学 2023-05-02 Linfeng Zhao , Xupeng Zhu , Lingzhi Kong , Robin Walters , Lawson L. S. Wong

In recent years the use of convolutional layers to encode an inductive bias (translational equivariance) in neural networks has proven to be a very fruitful idea. The successes of this approach have motivated a line of research into…

The remarkable success of Deep Neural Networks(DNN) is driven by gradient-based optimization, yet this process is often undermined by its tendency to produce disordered weight structures, which harms feature clarity and degrades learning…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Anzhe Cheng , Chenzhong Yin , Mingxi Cheng , Shukai Duan , Shahin Nazarian , Paul Bogdan

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

From early image processing to modern computational imaging, successful models and algorithms have relied on a fundamental property of natural signals: symmetry. Here symmetry refers to the invariance property of signal sets to…

信号处理 · 电气工程与系统科学 2022-09-07 Dongdong Chen , Mike Davies , Matthias J. Ehrhardt , Carola-Bibiane Schönlieb , Ferdia Sherry , Julián Tachella

Neural architecture search (NAS) has shown promise towards automating neural network design for a given task, but it is computationally demanding due to training costs associated with evaluating a large number of architectures to find the…

计算机视觉与模式识别 · 计算机科学 2025-02-07 Shahid Siddiqui , Christos Kyrkou , Theocharis Theocharides

We explain equivariant neural networks, a notion underlying breakthroughs in machine learning from deep convolutional neural networks for computer vision to AlphaFold 2 for protein structure prediction, without assuming knowledge of…

机器学习 · 计算机科学 2022-11-18 Lek-Heng Lim , Bradley J. Nelson

Ensemble learning is a general technique to improve accuracy in machine learning. However, the heavy computation of a ConvNets ensemble limits its usage in deep learning. In this paper, we present Group Ensemble Network (GENet), an…

计算机视觉与模式识别 · 计算机科学 2020-07-02 Hao Chen , Abhinav Shrivastava

We construct and evaluate group-equivariant neural networks for the prediction of the two-dimensional $Q$-tensor order parameter of nematic liquid crystals from synthetically generated microscopic textures. Seven architectures, equivariant…

软凝聚态物质 · 物理学 2026-05-28 Julia Navarro , Mark Wilkinson

Equivariant neural networks (ENNs) have been shown to be extremely effective in applications involving underlying symmetries. By construction ENNs cannot produce lower symmetry outputs given a higher symmetry input. However, symmetry…

机器学习 · 计算机科学 2024-11-15 YuQing Xie , Tess Smidt

Despite the successes of deep learning in computer vision, difficulties persist in recognizing objects that have undergone group-symmetric transformations rarely seen during training$\unicode{x2013}$for example objects seen in unusual…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Minh Dinh , Stéphane Deny

Group equivariant neural networks are growing in importance owing to their ability to generalise well in applications where the data has known underlying symmetries. Recent characterisations of a class of these networks that use high-order…

机器学习 · 计算机科学 2024-12-17 Edward Pearce-Crump , William J. Knottenbelt

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

Incorporating Euclidean symmetries (e.g. rotation equivariance) as inductive biases into graph neural networks has improved their generalization ability and data efficiency in unbounded physical dynamics modeling. However, in various…

机器学习 · 计算机科学 2024-06-25 Zinan Zheng , Yang Liu , Jia Li , Jianhua Yao , Yu Rong

Convolutional neural networks revolutionized computer vision and natrual language processing. Their efficiency, as compared to fully connected neural networks, has its origin in the architecture, where convolutions reflect the translation…

机器学习 · 计算机科学 2023-01-10 Patrick Krüger , Hanno Gottschalk