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相关论文: $\ell_1$-K-SVD: A Robust Dictionary Learning Algor…

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In this paper, we study the Temporal Difference (TD) learning with linear value function approximation. It is well known that most TD learning algorithms are unstable with linear function approximation and off-policy learning. Recent…

人工智能 · 计算机科学 2016-10-06 Dominik Meyer , Hao Shen , Klaus Diepold

Compressed Sensing using $\ell_1$ regularization is among the most powerful and popular sparsification technique in many applications, but why has it not been used to obtain sparse deep learning model such as convolutional neural network…

机器学习 · 计算机科学 2021-10-06 Juncai He , Xiaodong Jia , Jinchao Xu , Lian Zhang , Liang Zhao

Deep-learning methods are becoming increasingly important in gravitational-wave data analysis, yet their performance often relies on large training datasets and models whose internal representations are difficult to interpret. Sparse…

天体物理仪器与方法 · 物理学 2025-11-25 Miquel Llorens-Monteagudo , Alejandro Torres-Forné , José A. Font

Self-Supervised Learning (SSL) has become a powerful solution to extract rich representations from unlabeled data. Yet, SSL research is mostly focused on clean, curated and high-quality datasets. As a result, applying SSL on noisy data…

计算机视觉与模式识别 · 计算机科学 2025-10-31 Wenquan Lu , Jiaqi Zhang , Hugues Van Assel , Randall Balestriero

Supervised dictionary learning (SDL) is a classical machine learning method that simultaneously seeks feature extraction and classification tasks, which are not necessarily a priori aligned objectives. The goal of SDL is to learn a…

机器学习 · 统计学 2022-06-15 Joowon Lee , Hanbaek Lyu , Weixin Yao

In this paper, we propose a novel information theoretic framework for dictionary learning (DL) and sparse coding (SC) on a statistical manifold (the manifold of probability distributions). Unlike the traditional DL and SC framework, our new…

计算机视觉与模式识别 · 计算机科学 2018-05-08 Rudrasis Chakraborty , Monami Banerjee , Baba C. Vemuri

Sparse representation using over-complete dictionaries have shown to produce good quality results in various image processing tasks. Dictionary learning algorithms have made it possible to engineer data adaptive dictionaries which have…

图像与视频处理 · 电气工程与系统科学 2019-11-11 Nishant Deepak Keni , Amol Mangirish Singbal , Rizwan Ahmed

Neural networks are central to modern artificial intelligence, yet their training remains highly sensitive to data contamination. Standard neural classifiers are trained by minimizing the categorical cross-entropy loss, corresponding to…

机器学习 · 统计学 2026-03-19 Suryasis Jana , Abhik Ghosh

This paper concerns dictionary learning, i.e., sparse coding, a fundamental representation learning problem. We show that a subgradient descent algorithm, with random initialization, can provably recover orthogonal dictionaries on a natural…

机器学习 · 计算机科学 2019-07-02 Yu Bai , Qijia Jiang , Ju Sun

The label-embedded dictionary learning (DL) algorithms generate influential dictionaries by introducing discriminative information. However, there exists a limitation: All the label-embedded DL methods rely on the labels due that this way…

机器学习 · 计算机科学 2021-12-06 Shuai Shao , Lei Xing , Wei Yu , Rui Xu , Yanjiang Wang , Baodi Liu

The truncated singular value decomposition (SVD) of the measurement matrix is the optimal solution to the_representation_ problem of how to best approximate a noisy measurement matrix using a low-rank matrix. Here, we consider the…

统计理论 · 数学 2014-04-21 Raj Rao Nadakuditi

Deep neural networks (DNNs) have achieved extraordinary success in numerous areas. However, to attain this success, DNNs often carry a large number of weight parameters, leading to heavy costs of memory and computation resources.…

计算机视觉与模式识别 · 计算机科学 2019-01-07 Rongrong Ma , Jianyu Miao , Lingfeng Niu , Peng Zhang

Sparse phase retrieval with redundant dictionary is to reconstruct the signals of interest that are (nearly) sparse in a redundant dictionary or frame from the phaseless measurements via the optimization models. Gao [7] presented conditions…

信息论 · 计算机科学 2025-06-06 Haiye Huo , Li Xiao

Self-driving laboratories (SDLs) have shown promise to accelerate materials discovery by integrating machine learning with automated experimental platforms. However, errors in the capture of input parameters may corrupt the features used to…

机器学习 · 计算机科学 2026-02-03 Qiuyu Shi , Kangming Li , Yao Fehlis , Runze Zhang , Daniel Persaud , Robert Black , Jason Hattrick-Simpers

Dictionary learning is a cutting-edge area in imaging processing, that has recently led to state-of-the-art results in many signal processing tasks. The idea is to conduct a linear decomposition of a signal using a few atoms of a learned…

机器学习 · 统计学 2016-05-26 Simeng Qu , Xiao Wang

In recent years, kernel-based sparse coding (K-SRC) has received particular attention due to its efficient representation of nonlinear data structures in the feature space. Nevertheless, the existing K-SRC methods suffer from the lack of…

机器学习 · 计算机科学 2019-03-14 Babak Hosseini , Barbara Hammer

Large-scale models (LSMs) can be an effective framework for semantic representation and understanding, thereby providing a suitable tool for designing semantic communication (SC) systems. However, their direct deployment is often hindered…

机器学习 · 计算机科学 2025-08-26 Kuiyuan Ding , Caili Guo , Yang Yang , Zhongtian Du , Walid Saad

We consider the problem of learning a sparse graph under the Laplacian constrained Gaussian graphical models. This problem can be formulated as a penalized maximum likelihood estimation of the Laplacian constrained precision matrix. Like in…

机器学习 · 计算机科学 2023-09-06 Jiaxi Ying , José Vinícius de M. Cardoso , Daniel P. Palomar

We propose an online learning algorithm for a class of machine learning models under a separable stochastic approximation framework. The essence of our idea lies in the observation that certain parameters in the models are easier to…

机器学习 · 计算机科学 2023-05-23 Min Gan , Xiang-xiang Su , Guang-yong Chen , Jing Chen

The advent of large-scale pre-trained language models has contributed greatly to the recent progress in natural language processing. Many state-of-the-art language models are first trained on a large text corpus and then fine-tuned on…

计算与语言 · 计算机科学 2023-11-13 Hang Hua , Xingjian Li , Dejing Dou , Cheng-Zhong Xu , Jiebo Luo