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Learning with noisy labels has gained increasing attention because the inevitable imperfect labels in real-world scenarios can substantially hurt the deep model performance. Recent studies tend to regard low-loss samples as clean ones and…

机器学习 · 计算机科学 2024-02-20 Huafeng Liu , Mengmeng Sheng , Zeren Sun , Yazhou Yao , Xian-Sheng Hua , Heng-Tao Shen

Contrastive learning relies on constructing a collection of negative examples that are sufficiently hard to discriminate against positive queries when their representations are self-trained. Existing contrastive learning methods either…

机器学习 · 计算机科学 2021-03-08 Qianjiang Hu , Xiao Wang , Wei Hu , Guo-Jun Qi

Inspired by the idea of Positive-incentive Noise (Pi-Noise or $\pi$-Noise) that aims at learning the reliable noise beneficial to tasks, we scientifically investigate the connection between contrastive learning and $\pi$-noise in this…

机器学习 · 计算机科学 2026-05-11 Hongyuan Zhang , Yanchen Xu , Sida Huang , Xuelong Li

Deep learning with noisy labels is practically challenging, as the capacity of deep models is so high that they can totally memorize these noisy labels sooner or later during training. Nonetheless, recent studies on the memorization effects…

机器学习 · 计算机科学 2018-10-31 Bo Han , Quanming Yao , Xingrui Yu , Gang Niu , Miao Xu , Weihua Hu , Ivor Tsang , Masashi Sugiyama

Despite their outstanding performance in a broad spectrum of real-world tasks, deep artificial neural networks are sensitive to input noises, particularly adversarial perturbations. On the contrary, human and animal brains are much less…

神经与进化计算 · 计算机科学 2022-05-23 Xiyuan Chen , Xingyu Li , Yi Zhou , Tianming Yang

Deep metric learning has been effectively used to learn distance metrics for different visual tasks like image retrieval, clustering, etc. In order to aid the training process, existing methods either use a hard mining strategy to extract…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Bhavya Vasudeva , Puneesh Deora , Saumik Bhattacharya , Umapada Pal , Sukalpa Chanda

Models that learn spurious correlations from training data often fail when deployed in new environments. While many methods aim to learn invariant representations to address this, they often underperform standard empirical risk minimization…

机器学习 · 计算机科学 2025-11-11 Ruqi Bai , Yao Ji , Zeyu Zhou , David I. Inouye

Lifelong object re-identification incrementally learns from a stream of re-identification tasks. The objective is to learn a representation that can be applied to all tasks and that generalizes to previously unseen re-identification tasks.…

计算机视觉与模式识别 · 计算机科学 2022-10-05 Kai Wang , Chenshen Wu , Andy Bagdanov , Xialei Liu , Shiqi Yang , Shangling Jui , Joost van de Weijer

Self-supervised learning has recently shown great potential in vision tasks through contrastive learning, which aims to discriminate each image, or instance, in the dataset. However, such instance-level learning ignores the semantic…

计算机视觉与模式识别 · 计算机科学 2022-03-17 Tsai-Shien Chen , Wei-Chih Hung , Hung-Yu Tseng , Shao-Yi Chien , Ming-Hsuan Yang

Deep neural networks trained with standard cross-entropy loss memorize noisy labels, which degrades their performance. Most research to mitigate this memorization proposes new robust classification loss functions. Conversely, we propose a…

计算机视觉与模式识别 · 计算机科学 2021-03-19 Diego Ortego , Eric Arazo , Paul Albert , Noel E. O'Connor , Kevin McGuinness

Several automatic approaches for objective music performance assessment (MPA) have been proposed in the past, however, existing systems are not yet capable of reliably predicting ratings with the same accuracy as professional judges. This…

声音 · 计算机科学 2021-08-16 Pavan Seshadri , Alexander Lerch

In recommender systems, popularity and conformity biases undermine recommender effectiveness by disproportionately favouring popular items, leading to their over-representation in recommendation lists and causing an unbalanced distribution…

信息检索 · 计算机科学 2024-08-20 Zhirong Huang , Shichao Zhang , Debo Cheng , Jiuyong Li , Lin Liu , Guixian Zhang

Object Detection, a fundamental computer vision problem, has paramount importance in smart camera systems. However, a truly reliable camera system could be achieved if and only if the underlying object detection component is robust enough…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Ujjal Kr Dutta

Deep neural networks (DNNs) have achieved remarkable success in computer vision tasks such as image classification, segmentation, and object detection. However, they are vulnerable to adversarial attacks, which can cause incorrect…

计算机视觉与模式识别 · 计算机科学 2025-11-03 Suklav Ghosh , Sonal Kumar , Arijit Sur

Natural language understanding (NLU) models often rely on dataset biases rather than intended task-relevant features to achieve high performance on specific datasets. As a result, these models perform poorly on datasets outside the training…

计算与语言 · 计算机科学 2023-01-05 Yougang Lyu , Piji Li , Yechang Yang , Maarten de Rijke , Pengjie Ren , Yukun Zhao , Dawei Yin , Zhaochun Ren

Diffusion Probabilistic Models (DPM) have shown remarkable efficacy in the synthesis of high-quality images. However, their inference process characteristically requires numerous, potentially hundreds, of iterative steps, which could…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Mingxiao Li , Tingyu Qu , Ruicong Yao , Wei Sun , Marie-Francine Moens

Neural ranking models (NRMs) have become one of the most important techniques in information retrieval (IR). Due to the limitation of relevance labels, the training of NRMs heavily relies on negative sampling over unlabeled data. In general…

信息检索 · 计算机科学 2022-09-13 Yinqiong Cai , Jiafeng Guo , Yixing Fan , Qingyao Ai , Ruqing Zhang , Xueqi Cheng

Deep Candidate Generation plays an important role in large-scale recommender systems. It takes user history behaviors as inputs and learns user and item latent embeddings for candidate generation. In the literature, conventional methods…

信息检索 · 计算机科学 2022-11-24 Ningning Li , Qunwei Li , Xichen Ding , Shaohu Chen , Wenliang Zhong

State-of-the-art approaches for Knowledge Base Completion (KBC) exploit deep neural networks trained with both false and true assertions: positive assertions are explicitly taken from the knowledge base, whereas negative ones are generated…

机器学习 · 计算机科学 2019-08-20 Sarthak Dash , Alfio Gliozzo

Label-noise learning (LNL) aims to increase the model's generalization given training data with noisy labels. To facilitate practical LNL algorithms, researchers have proposed different label noise types, ranging from class-conditional to…

机器学习 · 计算机科学 2024-02-13 Jingfeng Zhang , Bo Song , Haohan Wang , Bo Han , Tongliang Liu , Lei Liu , Masashi Sugiyama