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Federated learning (FL) has been widely studied recently due to its property to collaboratively train data from different devices without sharing the raw data. Nevertheless, recent studies show that an adversary can still be possible to…

密码学与安全 · 计算机科学 2023-12-13 Caridad Arroyo Arevalo , Sayedeh Leila Noorbakhsh , Yun Dong , Yuan Hong , Binghui Wang

Low-light image enhancement (LLE) remains challenging due to the unfavorable prevailing low-contrast and weak-visibility problems of single RGB images. In this paper, we respond to the intriguing learning-related question -- if leveraging…

计算机视觉与模式识别 · 计算机科学 2021-12-14 Dong Liang , Ling Li , Mingqiang Wei , Shuo Yang , Liyan Zhang , Wenhan Yang , Yun Du , Huiyu Zhou

Although deep learning-based segmentation models have achieved impressive performance on public benchmarks, generalizing well to unseen environments remains a major challenge. To improve the model's generalization ability to the new domain…

计算机视觉与模式识别 · 计算机科学 2023-11-15 Yunlong Zhang , Yuxuan Sun , Sunyi Zheng , Zhongyi Shui , Chenglu Zhu , Lin Yang

Detecting trajectory anomalies is a vital task in modern Intelligent Transportation Systems (ITS), enabling the identification of unsafe, inefficient, or irregular travel behaviours. While deep learning has emerged as the dominant approach,…

机器学习 · 计算机科学 2025-11-24 Rui Xue , Dan He , Fengmei Jin , Chen Zhang , Xiaofang Zhou

Unsupervised Domain Adaptation (UDA), which aims to explore the transferrable features from a well-labeled source domain to a related unlabeled target domain, has been widely progressed. Nevertheless, as one of the mainstream, existing…

计算机视觉与模式识别 · 计算机科学 2023-02-06 Yumin Zhang , Yajun Gao , Hongliu Li , Ating Yin , Duzhen Zhang , Xiuyi Chen

Encoding only the task-related information from the raw data, \ie, disentangled representation learning, can greatly contribute to the robustness and generalizability of models. Although significant advances have been made by regularizing…

计算机视觉与模式识别 · 计算机科学 2024-08-15 Zhuohang Dang , Minnan Luo , Chengyou Jia , Guang Dai , Jihong Wang , Xiaojun Chang , Jingdong Wang

This paper studies a new multi-device edge artificial-intelligent (AI) system, which jointly exploits the AI model split inference and integrated sensing and communication (ISAC) to enable low-latency intelligent services at the network…

信息论 · 计算机科学 2022-07-05 Dingzhu Wen , Peixi Liu , Guangxu Zhu , Yuanming Shi , Jie Xu , Yonina C. Eldar , Shuguang Cui

Collaborative learning enables distributed clients to learn a shared model for prediction while keeping the training data local on each client. However, existing collaborative learning methods require fully-labeled data for training, which…

机器学习 · 计算机科学 2022-04-26 Yawen Wu , Zhepeng Wang , Dewen Zeng , Meng Li , Yiyu Shi , Jingtong Hu

Open intent classification, which aims to correctly classify the known intents into their corresponding classes while identifying the new unknown (open) intents, is an essential but challenging task in dialogue systems. In this paper, we…

计算与语言 · 计算机科学 2023-04-21 Xiaokang Liu , Jianquan Li , Jingjing Mu , Min Yang , Ruifeng Xu , Benyou Wang

Existing communication systems aim to reconstruct the information at the receiver side, and are known as reconstruction-oriented communications. This approach often falls short in meeting the real-time, task-specific demands of modern…

信息论 · 计算机科学 2025-02-24 Yufeng Diao , Yichi Zhang , Changyang She , Philip Guodong Zhao , Emma Liying Li

Time series self-supervised learning (SSL) aims to exploit unlabeled data for pre-training to mitigate the reliance on labels. Despite the great success in recent years, there is limited discussion on the potential noise in the time series,…

机器学习 · 计算机科学 2024-06-10 Shuang Zhou , Daochen Zha , Xiao Shen , Xiao Huang , Rui Zhang , Fu-Lai Chung

Computed tomography (CT) samples with pathological annotations are difficult to obtain. As a result, the computer-aided diagnosis (CAD) algorithms are trained on small datasets (e.g., LIDC-IDRI with 1,018 samples), limiting their accuracies…

计算机视觉与模式识别 · 计算机科学 2022-08-24 Penghua Zhai , Enwei Zhu , Baolian Qi , Xin Wei , Jinpeng Li

Self-Supervised Contrastive Learning has proven effective in deriving high-quality representations from unlabeled data. However, a major challenge that hinders both unimodal and multimodal contrastive learning is feature suppression, a…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Jihai Zhang , Xiang Lan , Xiaoye Qu , Yu Cheng , Mengling Feng , Bryan Hooi

We introduce a new semantic communication mechanism - SemanticRL, whose key idea is to preserve the semantic information instead of strictly securing the bit-level precision. Unlike previous methods that mainly concentrate on the network or…

机器学习 · 计算机科学 2022-04-04 Kun Lu , Rongpeng Li , Xianfu Chen , Zhifeng Zhao , Honggang Zhang

Recent research has shown that it is possible to find interpretable directions in the latent spaces of pre-trained Generative Adversarial Networks (GANs). These directions enable controllable image generation and support a wide range of…

机器学习 · 计算机科学 2021-10-07 Oğuz Kaan Yüksel , Enis Simsar , Ezgi Gülperi Er , Pinar Yanardag

Decentralized learning has been advocated and widely deployed to make efficient use of distributed datasets, with an extensive focus on supervised learning (SL) problems. Unfortunately, the majority of real-world data are unlabeled and can…

机器学习 · 计算机科学 2023-03-01 Lirui Wang , Kaiqing Zhang , Yunzhu Li , Yonglong Tian , Russ Tedrake

Recent advancements in weakly-supervised video anomaly detection have achieved remarkable performance by applying the multiple instance learning paradigm based on multimodal foundation models such as CLIP to highlight anomalous instances…

计算机视觉与模式识别 · 计算机科学 2025-11-14 Wenti Yin , Huaxin Zhang , Xiang Wang , Yuqing Lu , Yicheng Zhang , Bingquan Gong , Jialong Zuo , Li Yu , Changxin Gao , Nong Sang

With the emergence of diverse and massive data in the upcoming sixth-generation (6G) networks, the task-agnostic semantic communication system is regarded to provide robust intelligent services. In this paper, we propose a task-agnostic…

信息论 · 计算机科学 2025-09-16 Shiyao Jiang , Jian Jiao , Xingjian Zhang , Ye Wang , Dusit Niyato , Qinyu Zhang

Machine unlearning, the efficient deletion of the impact of specific data in a trained model, remains a challenging problem. Current machine unlearning approaches that focus primarily on data-centric or weight-based strategies frequently…

机器学习 · 计算机科学 2025-08-07 Thang Duc Tran , Thai Hoang Le

Recommender systems are essential for modern content platforms, yet traditional behavior-based models often struggle with cold users who have limited interaction data. Engaging these users is crucial for platform growth. To bridge this gap,…

信息检索 · 计算机科学 2025-10-13 Lin Wang , Weisong Wang , Xuanji Xiao , Qing Li