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相关论文: Sharpness-Aware Minimization Leads to Low-Rank Fea…

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Sharpness-Aware Minimization (SAM) has emerged as a promising approach for effectively reducing the generalization error. However, SAM incurs twice the computational cost compared to base optimizer (e.g., SGD). We propose Asymptotic…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Jiaxin Deng , Junbiao Pang , Baochang Zhang

Vision foundation models like the Segment Anything Model (SAM), pretrained on large-scale natural image datasets, often struggle in medical image segmentation due to a lack of domain-specific adaptation. In clinical practice, fine-tuning…

计算机视觉与模式识别 · 计算机科学 2025-11-03 Zelin Liu , Sicheng Dong , Bocheng Li , Yixuan Yang , Jiacheng Ruan , Chenxu Zhou , Suncheng Xiang

Neural networks produced by standard training are known to suffer from poor accuracy on rare subgroups despite achieving high accuracy on average, due to the correlations between certain spurious features and labels. Previous approaches…

机器学习 · 计算机科学 2024-04-10 Gaotang Li , Jiarui Liu , Wei Hu

Graph Neural Networks (GNNs) have achieved remarkable success across various graph-based tasks but remain highly sensitive to distribution shifts. In this work, we focus on a prevalent yet under-explored phenomenon in graph generalization,…

机器学习 · 计算机科学 2026-02-10 Yang Qiu , Yixiong Zou , Jun Wang

Surrogate gradients are a standard tool for training spiking neural networks (SNNs), but conventional hard forward or surrogate backward training couples a nonsmooth forward model with a biased gradient estimator. We study sharpness aware…

神经与进化计算 · 计算机科学 2026-03-20 Maximilian Nicholson

Sparse connectivity is a hallmark of the brain and a desired property of artificial neural networks. It promotes energy efficiency, simplifies training, and enhances the robustness of network function. Thus, a detailed understanding of how…

无序系统与神经网络 · 物理学 2024-09-10 Mirza M. Junaid Baig , Armen Stepanyants

Feature maps in deep neural network generally contain different semantics. Existing methods often omit their characteristics that may lead to sub-optimal results. In this paper, we propose a novel end-to-end deep saliency network which…

计算机视觉与模式识别 · 计算机科学 2018-08-07 Fengdong Sun , Wenhui Li , Yuanyuan Guan

The mechanisms by which certain training interventions, such as increasing learning rates and applying batch normalization, improve the generalization of deep networks remains a mystery. Prior works have speculated that "flatter" solutions…

机器学习 · 计算机科学 2023-05-25 Simran Kaur , Jeremy Cohen , Zachary C. Lipton

Improving the generalization ability of modern deep neural networks (DNNs) is a fundamental challenge in machine learning. Two branches of methods have been proposed to seek flat minima and improve generalization: one led by sharpness-aware…

机器学习 · 计算机科学 2024-04-02 Tao Li , Qinghua Tao , Weihao Yan , Zehao Lei , Yingwen Wu , Kun Fang , Mingzhen He , Xiaolin Huang

We present SAM, a biologically-plausible selective attention-driven modulation approach to enhance classification models in a continual learning setting. Inspired by neurophysiological evidence that the primary visual cortex does not…

We present semantic attribute matching networks (SAM-Net) for jointly establishing correspondences and transferring attributes across semantically similar images, which intelligently weaves the advantages of the two tasks while overcoming…

计算机视觉与模式识别 · 计算机科学 2019-04-08 Seungryong Kim , Dongbo Min , Somi Jeong , Sunok Kim , Sangryul Jeon , Kwanghoon Sohn

Network pruning is aimed at imposing sparsity in a neural network architecture by increasing the portion of zero-valued weights for reducing its size regarding energy-efficiency consideration and increasing evaluation speed. In most of the…

机器学习 · 计算机科学 2018-07-17 Amirsina Torfi , Rouzbeh A. Shirvani , Sobhan Soleymani , Nasser M. Nasrabadi

Recent experiments have shown that, often, when training a neural network with gradient descent (GD) with a step size $\eta$, the operator norm of the Hessian of the loss grows until it approximately reaches $2/\eta$, after which it…

机器学习 · 计算机科学 2024-06-07 Philip M. Long , Peter L. Bartlett

We study the energy minimization problem in low-level vision tasks from a novel perspective. We replace the heuristic regularization term with a learnable subspace constraint, and preserve the data term to exploit domain knowledge derived…

计算机视觉与模式识别 · 计算机科学 2020-04-21 Chengzhou Tang , Lu Yuan , Ping Tan

Federated learning (FL) enables collaborative model training with privacy preservation. Data heterogeneity across edge devices (clients) can cause models to converge to sharp minima, negatively impacting generalization and robustness.…

人工智能 · 计算机科学 2025-04-01 Debora Caldarola , Pietro Cagnasso , Barbara Caputo , Marco Ciccone

Proper regularization is critical for speeding up training, improving generalization performance, and learning compact models that are cost efficient. We propose and analyze regularized gradient descent algorithms for learning shallow…

机器学习 · 计算机科学 2018-06-08 Samet Oymak

Methods for improving deep neural network training times and model generalizability consist of various data augmentation, regularization, and optimization approaches, which tend to be sensitive to hyperparameter settings and make…

机器学习 · 计算机科学 2022-11-02 Masud An-Nur Islam Fahim , Jani Boutellier

Image-level weakly supervised semantic segmentation is a challenging problem that has been deeply studied in recent years. Most of advanced solutions exploit class activation map (CAM). However, CAMs can hardly serve as the object mask due…

计算机视觉与模式识别 · 计算机科学 2020-04-10 Yude Wang , Jie Zhang , Meina Kan , Shiguang Shan , Xilin Chen

Compared with expensive pixel-wise annotations, image-level labels make it possible to learn semantic segmentation in a weakly-supervised manner. Within this pipeline, the class activation map (CAM) is obtained and further processed to…

计算机视觉与模式识别 · 计算机科学 2022-01-06 Jiawei Liu , Jing Zhang , Yicong Hong , Nick Barnes

Weakly supervised semantic segmentation has attracted much research interest in recent years considering its advantage of low labeling cost. Most of the advanced algorithms follow the design principle that expands and constrains the seed…

计算机视觉与模式识别 · 计算机科学 2019-09-10 Yude Wang , Jie Zhang , Meina Kan , Shiguang Shan , Xilin Chen