中文
相关论文

相关论文: Contrastive UCB: Provably Efficient Contrastive Se…

200 篇论文

Ensuring the realism of computer-generated synthetic images is crucial to deep neural network (DNN) training. Due to different semantic distributions between synthetic and real-world captured datasets, there exists semantic mismatch between…

计算机视觉与模式识别 · 计算机科学 2023-04-27 Ganning Zhao , Tingwei Shen , Suya You , C. -C. Jay Kuo

Unsupervised graph representation learning has emerged as a powerful tool to address real-world problems and achieves huge success in the graph learning domain. Graph contrastive learning is one of the unsupervised graph representation…

机器学习 · 计算机科学 2022-03-08 Haoran Yang , Hongxu Chen , Shirui Pan , Lin Li , Philip S. Yu , Guandong Xu

Deep representations have shown promising performance when transferred to downstream tasks in a black-box manner. Yet, their inherent lack of interpretability remains a significant challenge, as these features are often opaque to human…

机器学习 · 计算机科学 2024-04-24 Yifei Wang , Qi Zhang , Yaoyu Guo , Yisen Wang

Contrastive learning methods enforce label distance relationships in feature space to improve representation capability for regression models. However, these methods highly depend on label information to correctly recover ordinal…

机器学习 · 计算机科学 2025-12-11 Ce Wang , Weihang Dai , Hanru Bai , Xiaomeng Li

Self-training methods have proven to be effective in exploiting abundant unlabeled data in semi-supervised learning, particularly when labeled data is scarce. While many of these approaches rely on a cross-entropy loss function (CE), recent…

机器学习 · 计算机科学 2024-09-12 Aurelien Gauffre , Julien Horvat , Massih-Reza Amini

To advance the understanding of robust deep learning, we delve into the effects of adversarial training on self-supervised and supervised contrastive learning alongside supervised learning. Our analysis uncovers significant disparities…

机器学习 · 计算机科学 2023-06-08 Fatemeh Ghofrani , Mehdi Yaghouti , Pooyan Jamshidi

In recent years, the introduction of self-supervised contrastive learning (SSCL) has demonstrated remarkable improvements in representation learning across various domains, including natural language processing and computer vision. By…

机器学习 · 计算机科学 2023-08-15 Chiyu Zhang , Qi Yan , Lili Meng , Tristan Sylvain

We consider what we call the offline-to-online learning setting, focusing on stochastic finite-armed bandit problems. In offline-to-online learning, a learner starts with offline data collected from interactions with an unknown environment…

机器学习 · 计算机科学 2025-03-11 Flore Sentenac , Ilbin Lee , Csaba Szepesvari

We study reinforcement learning (RL) with linear function approximation under the adaptivity constraint. We consider two popular limited adaptivity models: the batch learning model and the rare policy switch model, and propose two efficient…

机器学习 · 计算机科学 2022-01-04 Tianhao Wang , Dongruo Zhou , Quanquan Gu

Recent work revealed a tight connection between adversarial robustness and restricted forms of symbolic explanations, namely distance-based (formal) explanations. This connection is significant because it represents a first step towards…

机器学习 · 计算机科学 2024-12-25 Yacine Izza , Joao Marques-Silva

Invariant Contrastive Learning (ICL) methods have achieved impressive performance across various domains. However, the absence of latent space representation for distortion (augmentation)-related information in the latent space makes ICL…

Estimating correspondences between pairs of non-rigid deformable 3D shapes remains a significant challenge in computer vision and graphics. While deep functional map methods have become the go-to solution for addressing this problem, they…

计算机视觉与模式识别 · 计算机科学 2026-03-20 Feifan Luo , Hongyang Chen

Most algorithms for the multi-armed bandit problem in reinforcement learning aimed to maximize the expected reward, which are thus useful in searching the optimized candidate with the highest reward (function value) for diverse applications…

机器学习 · 计算机科学 2022-01-03 Bin Chong , Yingguang Yang , Zi-Le Wang , Hang Xing , Zhirong Liu

Offline Reinforcement Learning (RL) via Supervised Learning is a simple and effective way to learn robotic skills from a dataset collected by policies of different expertise levels. It is as simple as supervised learning and Behavior…

机器学习 · 统计学 2022-10-25 Alexandre Piche , Rafael Pardinas , David Vazquez , Igor Mordatch , Chris Pal

Recently, more and more people study online for the convenience of access to massive learning materials (e.g. test questions/notes), thus accurately understanding learning materials became a crucial issue, which is essential for many…

计算与语言 · 计算机科学 2023-03-15 He Zhu , Xihua Li , Xuemin Zhao , Yunbo Cao , Shan Yu

To overcome the curse of dimensionality and curse of modeling in Dynamic Programming (DP) methods for solving classical Markov Decision Process (MDP) problems, Reinforcement Learning (RL) algorithms are popular. In this paper, we consider…

机器学习 · 计算机科学 2018-11-29 Arghyadip Roy , Vivek Borkar , Abhay Karandikar , Prasanna Chaporkar

Speech Emotion Recognition (SER) in real-world scenarios remains challenging due to severe class imbalance and the prevalence of spontaneous, natural speech. While recent approaches leverage self-supervised learning (SSL) representations…

音频与语音处理 · 电气工程与系统科学 2026-03-26 Lucas H. Ueda , João G. T. Lima , Paula D. P. Costa

We present CURL: Contrastive Unsupervised Representations for Reinforcement Learning. CURL extracts high-level features from raw pixels using contrastive learning and performs off-policy control on top of the extracted features. CURL…

机器学习 · 计算机科学 2020-09-22 Aravind Srinivas , Michael Laskin , Pieter Abbeel

Developing an agent in reinforcement learning (RL) that is capable of performing complex control tasks directly from high-dimensional observation such as raw pixels is yet a challenge as efforts are made towards improving sample efficiency…

机器学习 · 计算机科学 2023-01-13 Thanh Nguyen , Tung M. Luu , Thang Vu , Chang D. Yoo

Contrastive learning has achieved remarkable success on various high-level tasks, but there are fewer contrastive learning-based methods proposed for low-level tasks. It is challenging to adopt vanilla contrastive learning technologies…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Gang Wu , Junjun Jiang , Xianming Liu