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This paper proposes a generic method to learn interpretable convolutional filters in a deep convolutional neural network (CNN) for object classification, where each interpretable filter encodes features of a specific object part. Our method…

机器学习 · 计算机科学 2020-03-13 Quanshi Zhang , Xin Wang , Ying Nian Wu , Huilin Zhou , Song-Chun Zhu

This work investigates use of equivariant neural networks as efficient and high-performance frameworks for image reconstruction and denoising in nuclear medicine. Our work aims to tackle limitations of conventional Convolutional Neural…

图像与视频处理 · 电气工程与系统科学 2025-02-03 Amirreza Hashemi , Yuemeng Feng , Arman Rahmim , Hamid Sabet

In Reinforcement Learning (RL), Convolutional Neural Networks(CNNs) have been successfully applied as function approximators in Deep Q-Learning algorithms, which seek to learn action-value functions and policies in various environments.…

机器学习 · 计算机科学 2020-07-08 Arnab Kumar Mondal , Pratheeksha Nair , Kaleem Siddiqi

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

Group Convolutional Neural Networks (G-CNNs) constrain learned features to respect the symmetries in the selected group, and lead to better generalization when these symmetries appear in the data. If this is not the case, however,…

计算机视觉与模式识别 · 计算机科学 2023-01-18 David W. Romero , Suhas Lohit

The performance of multi-task learning in Convolutional Neural Networks (CNNs) hinges on the design of feature sharing between tasks within the architecture. The number of possible sharing patterns are combinatorial in the depth of the…

计算机视觉与模式识别 · 计算机科学 2019-08-27 Felix J. S. Bragman , Ryutaro Tanno , Sebastien Ourselin , Daniel C. Alexander , M. Jorge Cardoso

In modern computer vision tasks, convolutional neural networks (CNNs) are indispensable for image classification tasks due to their efficiency and effectiveness. Part of their superiority compared to other architectures, comes from the fact…

机器学习 · 计算机科学 2019-06-11 Vighnesh Birodkar , Hossein Mobahi , Dilip Krishnan , Samy Bengio

Equivariant machine learning is an approach for designing deep learning models that respect the symmetries of the problem, with the aim of reducing model complexity and improving generalization. In this paper, we focus on an extension of…

机器学习 · 计算机科学 2024-12-10 Ya-Wei Eileen Lin , Ronen Talmon , Ron Levie

Convolutional Neural Networks (CNNs) have demonstrated state-of-the-art performance on many visual recognition tasks. However, the combination of convolution and pooling operations only shows invariance to small local location changes in…

计算机视觉与模式识别 · 计算机科学 2019-12-02 Xu Shen , Xinmei Tian , Shaoyan Sun , Dacheng Tao

The weight-sharing mechanism of convolutional kernels ensures translation-equivariance of convolution neural networks (CNNs). Recently, rotation-equivariance has been investigated. However, research on scale-equivariance or simultaneous…

计算机视觉与模式识别 · 计算机科学 2023-06-13 Wei-Dong Qiao , Yang Xu , Hui Li

Spherical equivariant graph neural networks (EGNNs) provide a principled framework for learning on three-dimensional molecular and biomolecular systems, where predictions must respect the rotational symmetries inherent in physics. These…

机器学习 · 计算机科学 2025-12-17 Sophia Tang

In this paper we propose integrating a priori knowledge into both design and training of convolutional neural networks (CNNs) to learn object representations that are invariant to affine transformations (i.e., translation, scale, rotation).…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Xenju Xu , Guanghui Wang , Alan Sullivan , Ziming Zhang

Motivated by objects such as electric fields or fluid streams, we study the problem of learning stochastic fields, i.e. stochastic processes whose samples are fields like those occurring in physics and engineering. Considering general…

机器学习 · 计算机科学 2021-07-20 Peter Holderrieth , Michael Hutchinson , Yee Whye Teh

Deep convolutional neural networks accuracy is heavily impacted by rotations of the input data. In this paper, we propose a convolutional predictor that is invariant to rotations in the input. This architecture is capable of predicting the…

计算机视觉与模式识别 · 计算机科学 2021-05-24 Rosemberg Rodriguez Salas , Eva Dokladalova , Petr Dokládal

Convolutional Neural Network (CNN) is one of the most important architectures in deep learning. The fundamental building block of a CNN is a trainable filter, represented as a discrete grid, used to perform convolution on discrete input…

机器学习 · 计算机科学 2023-05-26 Dario Coscia , Laura Meneghetti , Nicola Demo , Giovanni Stabile , Gianluigi Rozza

Group equivariant neural networks have been explored in the past few years and are interesting from theoretical and practical standpoints. They leverage concepts from group representation theory, non-commutative harmonic analysis and…

机器学习 · 计算机科学 2020-05-01 Carlos Esteves

Recently, learning equivariant representations has attracted considerable research attention. Dieleman et al. introduce four operations which can be inserted into convolutional neural network to learn deep representations equivariant to…

计算机视觉与模式识别 · 计算机科学 2018-03-01 Junying Li , Zichen Yang , Haifeng Liu , Deng Cai

Equivariances provide useful inductive biases in neural network modeling, with the translation equivariance of convolutional neural networks being a canonical example. Equivariances can be embedded in architectures through weight-sharing…

机器学习 · 计算机科学 2022-11-15 Tycho F. A. van der Ouderaa , David W. Romero , Mark van der Wilk

Equivariant neural networks (ENNs) are graph neural networks embedded in $\mathbb{R}^3$ and are well suited for predicting molecular properties. The ENN library e3nn has customizable convolutions, which can be designed to depend only on…

机器学习 · 计算机科学 2020-11-25 Benjamin Kurt Miller , Mario Geiger , Tess E. Smidt , Frank Noé

Conventionally, convolutional neural networks (CNNs) process different images with the same set of filters. However, the variations in images pose a challenge to this fashion. In this paper, we propose to generate sample-specific filters…

计算机视觉与模式识别 · 计算机科学 2018-12-06 Wei Shen , Rujie Liu