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Decentralized optimization algorithms have received much attention due to the recent advances in network information processing. However, conventional decentralized algorithms based on projected gradient descent are incapable of handling…

最优化与控制 · 数学 2018-08-29 Hoi-To Wai , Jean Lafond , Anna Scaglione , Eric Moulines

Real-world visual search systems involve deployments on multiple platforms with different computing and storage resources. Deploying a unified model that suits the minimal-constrain platforms leads to limited accuracy. It is expected to…

人工智能 · 计算机科学 2023-03-24 Shengsen Wu , Yan Bai , Yihang Lou , Xiongkun Linghu , Jianzhong He , Ling-Yu Duan

Contrastive representation learning has been recently proved to be very efficient for self-supervised training. These methods have been successfully used to train encoders which perform comparably to supervised training on downstream…

机器学习 · 计算机科学 2020-12-03 Ibrahim Merad , Yiyang Yu , Emmanuel Bacry , Stéphane Gaïffas

Recent self-supervised contrastive methods have been able to produce impressive transferable visual representations by learning to be invariant to different data augmentations. However, these methods implicitly assume a particular set of…

计算机视觉与模式识别 · 计算机科学 2021-03-22 Tete Xiao , Xiaolong Wang , Alexei A. Efros , Trevor Darrell

It is widely believed that the backpropagation algorithm is essential for learning good feature detectors in early layers of artificial neural networks, so that these detectors are useful for the task performed by the higher layers of that…

机器学习 · 计算机科学 2019-08-30 Dmitry Krotov , John Hopfield

Collaborative filtering (CF) is widely used to learn informative latent representations of users and items from observed interactions. Existing CF-based methods commonly adopt negative sampling to discriminate different items. Training with…

信息检索 · 计算机科学 2023-05-02 Xin Zhou , Aixin Sun , Yong Liu , Jie Zhang , Chunyan Miao

Medical image classification is one of the most important tasks for computer-aided diagnosis. Deep learning models, particularly convolutional neural networks, have been successfully used for disease classification from medical images,…

计算机视觉与模式识别 · 计算机科学 2023-05-05 Md. Atik Ahamed , Jin Chen , Abdullah-Al-Zubaer Imran

In many real-world applications, reinforcement learning (RL) agents might have to solve multiple tasks, each one typically modeled via a reward function. If reward functions are expressed linearly, and the agent has previously learned a set…

机器学习 · 计算机科学 2022-06-24 Lucas N. Alegre , Ana L. C. Bazzan , Bruno C. da Silva

To enhance the reproducibility and reliability of deep learning models, we address a critical gap in current training methodologies: the lack of mechanisms that ensure consistent and robust performance across runs. Our empirical analysis…

机器学习 · 计算机科学 2026-01-05 Waqas Ahmed , Sheeba Samuel , Kevin Coakley , Birgitta Koenig-Ries , Odd Erik Gundersen

Conventional computer vision models rely on very deep, feedforward networks processing whole images and trained offline with extensive labeled data. In contrast, biological vision relies on comparatively shallow, recurrent networks that…

神经与进化计算 · 计算机科学 2024-11-27 Osvaldo M Velarde , Lucas C Parra

This paper studies learning fair encoders in a self-supervised learning (SSL) setting, in which all data are unlabeled and only a small portion of them are annotated with sensitive attribute. Adversarial fair representation learning is well…

机器学习 · 计算机科学 2024-06-11 Qi Qi , Quanqi Hu , Qihang Lin , Tianbao Yang

Graph collaborative filtering (GCF) is a dominant paradigm in recommender systems, where contrastive learning (CL) objectives such as the Sampled Softmax (SSM) loss are widely used for optimization. However, it remains unclear how CL…

信息检索 · 计算机科学 2026-05-26 Geon Lee , Sunwoo Kim , Kyungho Kim , Kijung Shin

This article introduces a novel approach to learning monotone neural networks through a newly defined penalization loss. The proposed method is particularly effective in solving classes of variational problems, specifically monotone…

最优化与控制 · 数学 2025-03-07 Younes Belkouchi , Jean-Christophe Pesquet , Audrey Repetti , Hugues Talbot

We propose a supervised learning algorithm for machine learning applications. Contrary to the model developing in the classical methods, which treat training, validation, and test as separate steps, in the presented approach, there is a…

机器学习 · 计算机科学 2019-09-24 Soheil Mehrabkhani

Recent contrastive methods show significant improvement in self-supervised learning in several domains. In particular, contrastive methods are most effective where data augmentation can be easily constructed e.g. in computer vision.…

机器学习 · 计算机科学 2021-12-09 Konstantinos Kallidromitis , Denis Gudovskiy , Kazuki Kozuka , Iku Ohama , Luca Rigazio

In this article, we propose a new paradigm for training spiking neural networks (SNNs), spike accumulation forwarding (SAF). It is known that SNNs are energy-efficient but difficult to train. Consequently, many researchers have proposed…

神经与进化计算 · 计算机科学 2024-07-01 Ryuji Saiin , Tomoya Shirakawa , Sota Yoshihara , Yoshihide Sawada , Hiroyuki Kusumoto

The model parameters of convolutional neural networks (CNNs) are determined by backpropagation (BP). In this work, we propose an interpretable feedforward (FF) design without any BP as a reference. The FF design adopts a data-centric…

计算机视觉与模式识别 · 计算机科学 2018-10-23 C. -C. Jay Kuo , Min Zhang , Siyang Li , Jiali Duan , Yueru Chen

Contrastive learning has recently demonstrated great potential for unsupervised pre-training in 3D scene understanding tasks. However, most existing work randomly selects point features as anchors while building contrast, leading to a clear…

计算机视觉与模式识别 · 计算机科学 2023-12-04 Kangcheng Liu , Xinhu Zheng , Chaoqun Wang , Kai Tang , Ming Liu , Baoquan Chen

Backpropagation is still the de facto algorithm used today to train neural networks. With the exponential growth of recent architectures, the computational cost of this algorithm also becomes a burden. The recent PEPITA and forward-only…

机器学习 · 计算机科学 2025-12-25 Paul Caillon , Alex Colagrande , Erwan Fagnou , Blaise Delattre , Alexandre Allauzen

Collaborative Filtering (CF) has been successfully used to help users discover the items of interest. Nevertheless, existing CF methods suffer from noisy data issue, which negatively impacts the quality of recommendation. To tackle this…

信息检索 · 计算机科学 2023-08-29 Huiyuan Chen , Xiaoting Li , Vivian Lai , Chin-Chia Michael Yeh , Yujie Fan , Yan Zheng , Mahashweta Das , Hao Yang