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Compressed sensing (CS) leverages the sparsity prior to provide the foundation for fast magnetic resonance imaging (fastMRI). However, iterative solvers for ill-posed problems hinder their adaption to time-critical applications. Moreover,…

图像与视频处理 · 电气工程与系统科学 2021-03-16 Jingshuai Liu , Mehrdad Yaghoobi

Modern neural recording techniques such as two-photon imaging or Neuropixel probes allow to acquire vast time-series datasets with responses of hundreds or thousands of neurons. Contrastive learning is a powerful self-supervised framework…

Model quantization is critical for deploying large language models (LLMs) on resource-constrained hardware, yet recent work has revealed severe security risks that benign LLMs in full precision may exhibit malicious behaviors after…

密码学与安全 · 计算机科学 2026-01-07 Dinghong Song , Zhiwei Xu , Hai Wan , Xibin Zhao , Pengfei Su , Dong Li

Compressed sensing is an imaging paradigm that allows one to invert an underdetermined linear system by imposing the a priori knowledge that the sought after solution is sparse (i.e., mostly zeros). Previous works have shown that if one…

图像与视频处理 · 电气工程与系统科学 2023-12-05 Nicholas Dwork , Erin K. Englund

Adversarial training is by far the most successful strategy for improving robustness of neural networks to adversarial attacks. Despite its success as a defense mechanism, adversarial training fails to generalize well to unperturbed test…

机器学习 · 计算机科学 2019-10-18 Yogesh Balaji , Tom Goldstein , Judy Hoffman

Ensemble Adversarial Training (EAT) attempts to enhance the robustness of models against adversarial attacks by leveraging multiple models. However, current EAT strategies tend to train the sub-models independently, ignoring the cooperative…

机器学习 · 计算机科学 2025-09-03 Li Dengjin , Guo Yanming , Xie Yuxiang , Li Zheng , Chen Jiangming , Li Xiaolong , Lao Mingrui

Deep learning models are vulnerable to adversarial examples, posing critical security challenges in real-world applications. While Adversarial Training (AT ) is a widely adopted defense mechanism to enhance robustness, it often incurs a…

机器学习 · 计算机科学 2025-09-16 Jing Zou , Shungeng Zhang , Meikang Qiu , Chong Li

Underwater image enhancement algorithms have attracted much attention in underwater vision task. However, these algorithms are mainly evaluated on different data sets and different metrics. In this paper, we set up an effective and pubic…

图像与视频处理 · 电气工程与系统科学 2019-07-02 Hanyu Li , Jingjing Li , Wei Wang

Regularized autoencoders learn the latent codes, a structure with the regularization under the distribution, which enables them the capability to infer the latent codes given observations and generate new samples given the codes. However,…

机器学习 · 计算机科学 2019-02-18 Wenju Xu , Shawn Keshmiri , Guanghui Wang

Variable selection is one of the most important tasks in statistics and machine learning. To incorporate more prior information about the regression coefficients, the constrained Lasso model has been proposed in the literature. In this…

最优化与控制 · 数学 2019-03-13 Zengde Deng , Anthony Man-Cho So

In this paper, we study adversarial training on datasets that obey the long-tailed distribution, which is practical but rarely explored in previous works. Compared with conventional adversarial training on balanced datasets, this process…

机器学习 · 计算机科学 2023-12-05 Guanlin Li , Guowen Xu , Tianwei Zhang

Style transfer in DCE-MRI is a challenging task due to large variations in contrast enhancements across different tissues and time. Current unsupervised methods fail due to the wide variety of contrast enhancement and motion between the…

图像与视频处理 · 电气工程与系统科学 2023-10-23 Adam G. Tattersall , Keith A. Goatman , Lucy E. Kershaw , Scott I. K. Semple , Sonia Dahdouh

Neural networks have changed the way machines interpret the world. At their core, they learn by following gradients, adjusting their parameters step by step until they identify the most discriminant patterns in the data. This process gives…

计算机视觉与模式识别 · 计算机科学 2025-11-03 Samarup Bhattacharya , Anubhab Bhattacharya , Abir Chakraborty

Standard Adjacency Spectral Embedding (ASE) relies on a global low-rank assumption often incompatible with the sparse, transitive structure of real-world networks, causing local geometric features to be 'smeared'. To address this, we…

机器学习 · 统计学 2026-03-13 Hannah Sansford , Nick Whiteley , Patrick Rubin-Delanchy

We propose a novel one-step supervised imitation learning (IL) framework called Adversarial Density Regression (ADR). This IL framework aims to correct the policy learned on unknown-quality to match the expert distribution by utilizing…

机器学习 · 计算机科学 2025-01-14 Ziqi Zhang , Zifeng Zhuang , Jingzehua Xu , Yiyuan Yang , Yubo Huang , Donglin Wang , Shuai Zhang

Adversarial training has emerged as an effective approach to train robust neural network models that are resistant to adversarial attacks, even in low-label regimes where labeled data is scarce. In this paper, we introduce a novel…

机器学习 · 计算机科学 2024-11-28 Tian Ye , Rajgopal Kannan , Viktor Prasanna

Image normalization is a critical step in medical imaging. This step is often done on a per-dataset basis, preventing current segmentation algorithms from the full potential of exploiting jointly normalized information across multiple…

机器学习 · 计算机科学 2020-02-04 Pierre-Luc Delisle , Benoit Anctil-Robitaille , Christian Desrosiers , Herve Lombaert

Adversarial imitation learning (AIL) has stood out as a dominant framework across various imitation learning (IL) applications, with Discriminator Actor Critic (DAC) (Kostrikov et al.,, 2019) demonstrating the effectiveness of off-policy…

机器学习 · 计算机科学 2024-04-15 Jonathan D. Chang , Dhruv Sreenivas , Yingbing Huang , Kianté Brantley , Wen Sun

Deep model compression has been extensively studied, and state-of-the-art methods can now achieve high compression ratios with minimal accuracy loss. This paper studies model compression through a different lens: could we compress models…

机器学习 · 计算机科学 2020-01-01 Shupeng Gui , Haotao Wang , Chen Yu , Haichuan Yang , Zhangyang Wang , Ji Liu

Deep neural networks are easily fooled by small perturbations known as adversarial attacks. Adversarial Training (AT) is a technique aimed at learning features robust to such attacks and is widely regarded as a very effective defense.…

机器学习 · 计算机科学 2020-09-11 Theodoros Tsiligkaridis , Jay Roberts