中文
相关论文

相关论文: Complexity of Linear Regions in Self-supervised De…

200 篇论文

Magnetic Resonance Imaging (MRI) represents an important diagnostic modality; however, its inherently slow acquisition process poses challenges in obtaining fully-sampled $k$-space data under motion. In the absence of fully-sampled…

图像与视频处理 · 电气工程与系统科学 2024-12-23 George Yiasemis , Nikita Moriakov , Clara I. Sánchez , Jan-Jakob Sonke , Jonas Teuwen

Deep Reinforcement Learning (RL) has demonstrated success in solving complex sequential decision-making problems by integrating neural networks with the RL framework. However, training deep RL models poses several challenges, such as the…

机器学习 · 计算机科学 2025-09-30 Sooraj Sathish , Keshav Goyal , Raghuram Bharadwaj Diddigi

Surface-related multiples pose significant challenges in seismic data processing, often obscuring primary reflections and reducing imaging quality. Traditional methods rely on computationally expensive algorithms, the prior knowledge of…

地球物理 · 物理学 2025-05-02 Shijun Cheng , Ning Wang , Tariq Alkhalifah

Often, applications of self-supervised learning to 3D medical data opt to use 3D variants of successful 2D network architectures. Although promising approaches, they are significantly more computationally demanding to train, and thus reduce…

计算机视觉与模式识别 · 计算机科学 2024-02-27 David Torpey , Richard Klein

Breast-Conserving Surgery (BCS) requires precise intraoperative margin assessment to preserve healthy tissue. Deep Ultraviolet Fluorescence Scanning Microscopy (DUV-FSM) offers rapid, high-resolution surface imaging for this purpose;…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Pouya Afshin , David Helminiak , Tianling Niu , Julie M. Jorns , Tina Yen , Bing Yu , Dong Hye Ye

We give the first dimension-efficient algorithms for learning Rectified Linear Units (ReLUs), which are functions of the form $\mathbf{x} \mapsto \max(0, \mathbf{w} \cdot \mathbf{x})$ with $\mathbf{w} \in \mathbb{S}^{n-1}$. Our algorithm…

机器学习 · 计算机科学 2016-12-06 Surbhi Goel , Varun Kanade , Adam Klivans , Justin Thaler

The fundamental goal of self-supervised learning (SSL) is to produce useful representations of data without access to any labels for classifying the data. Modern methods in SSL, which form representations based on known or constructed…

机器学习 · 计算机科学 2022-09-30 Bobak T. Kiani , Randall Balestriero , Yubei Chen , Seth Lloyd , Yann LeCun

Self-supervision based deep learning classification approaches have received considerable attention in academic literature. However, the performance of such methods on remote sensing imagery domains remains under-explored. In this work, we…

计算机视觉与模式识别 · 计算机科学 2022-03-10 Sachith Seneviratne , Kerry A. Nice , Jasper S. Wijnands , Mark Stevenson , Jason Thompson

In the domain of semi-supervised learning (SSL), the conventional approach involves training a learner with a limited amount of labeled data alongside a substantial volume of unlabeled data, both drawn from the same underlying distribution.…

机器学习 · 计算机科学 2023-08-29 Guy Hacohen , Daphna Weinshall

In this paper, we measure the linear separability of hidden layer outputs to study the characteristics of deep neural networks. In particular, we first propose Minkowski difference based linear separability measures (MD-LSMs) to evaluate…

机器学习 · 计算机科学 2023-07-27 Chao Zhang , Xinyu Chen , Wensheng Li , Lixue Liu , Wei Wu , Dacheng Tao

For most state-of-the-art architectures, Rectified Linear Unit (ReLU) becomes a standard component accompanied with each layer. Although ReLU can ease the network training to an extent, the character of blocking negative values may suppress…

计算机视觉与模式识别 · 计算机科学 2017-11-20 Xuanyi Dong , Guoliang Kang , Kun Zhan , Yi Yang

How can local-search methods such as stochastic gradient descent (SGD) avoid bad local minima in training multi-layer neural networks? Why can they fit random labels even given non-convex and non-smooth architectures? Most existing theory…

机器学习 · 计算机科学 2019-05-28 Zeyuan Allen-Zhu , Yuanzhi Li , Zhao Song

Recent semi-supervised learning (SSL) methods are commonly based on pseudo labeling. Since the SSL performance is greatly influenced by the quality of pseudo labels, mutual learning has been proposed to effectively suppress the noises in…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Pan Zhang , Bo Zhang , Ting Zhang , Dong Chen , Fang Wen

We present a self-supervised learning (SSL) method suitable for semi-global tasks such as object detection and semantic segmentation. We enforce local consistency between self-learned features, representing corresponding image locations of…

计算机视觉与模式识别 · 计算机科学 2022-12-09 Ashraful Islam , Ben Lundell , Harpreet Sawhney , Sudipta Sinha , Peter Morales , Richard J. Radke

Self-supervised learning (SSL) has emerged as a powerful technique for learning rich representations from unlabeled data. The data representations are able to capture many underlying attributes of data, and be useful in downstream…

机器学习 · 计算机科学 2023-12-01 Weicheng Zhu , Sheng Liu , Carlos Fernandez-Granda , Narges Razavian

Recent self-supervised models have demonstrated equal or better performance than supervised methods, opening for AI systems to learn visual representations from practically unlimited data. However, these methods are typically…

计算机视觉与模式识别 · 计算机科学 2022-10-10 Robin Karlsson , Tomoki Hayashi , Keisuke Fujii , Alexander Carballo , Kento Ohtani , Kazuya Takeda

Managing the dynamic regions in the photometric loss formulation has been a main issue for handling the self-supervised depth estimation problem. Most previous methods have alleviated this issue by removing the dynamic regions in the…

计算机视觉与模式识别 · 计算机科学 2022-05-23 Geonho Cha , Ho-Deok Jang , Dongyoon Wee

We address the problem of compressed sensing using a deep generative prior model and consider both linear and learned nonlinear sensing mechanisms, where the nonlinear one involves either a fully connected neural network or a convolutional…

机器学习 · 计算机科学 2021-05-26 Vinayak Killedar , Praveen Kumar Pokala , Chandra Sekhar Seelamantula

Recent works have highlighted scale invariance or symmetry present in the weight space of a typical deep network and the adverse effect it has on the Euclidean gradient based stochastic gradient descent optimization. In this work, we show…

机器学习 · 计算机科学 2015-11-04 Vijay Badrinarayanan , Bamdev Mishra , Roberto Cipolla

Ensembling a neural network is a widely recognized approach to enhance model performance, estimate uncertainty, and improve robustness in deep supervised learning. However, deep ensembles often come with high computational costs and memory…