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Selecting proper clients to participate in each federated learning (FL) round is critical to effectively harness a broad range of distributed data. Existing client selection methods simply consider the mining of distributed uni-modal data,…

机器学习 · 计算机科学 2024-07-30 Yunfeng Fan , Wenchao Xu , Haozhao Wang , Fushuo Huo , Jinyu Chen , Song Guo

Deep-learning models for traffic data prediction can have superior performance in modeling complex functions using a multi-layer architecture. However, a major drawback of these approaches is that most of these approaches do not offer…

机器学习 · 计算机科学 2024-07-04 Agnimitra Sengupta , Sudeepta Mondal , Adway Das , S. Ilgin Guler

Due to the notorious modality imbalance problem, multimodal learning (MML) leads to the phenomenon of optimization imbalance, thus struggling to achieve satisfactory performance. Recently, some representative methods have been proposed to…

机器学习 · 计算机科学 2024-07-08 Qing-Yuan Jiang , Zhouyang Chi , Yang Yang

Modeling mixed-traffic motion and interactions is crucial to assess safety, efficiency, and feasibility of future urban areas. The lack of traffic regulations, diverse transport modes, and the dynamic nature of mixed-traffic zones like…

人工智能 · 计算机科学 2021-01-19 Fatema T. Johora , Dongfang Yang , Jörg P. Müller , Ümit Özgüner

With the increasing multimedia information, multimodal recommendation has received extensive attention. It utilizes multimodal information to alleviate the data sparsity problem in recommendation systems, thus improving recommendation…

信息检索 · 计算机科学 2024-03-01 Jinfeng Xu , Zheyu Chen , Shuo Yang , Jinze Li , Hewei Wang , Edith C. -H. Ngai

There is growing body of learning problems for which it is natural to organize the parameters into matrix, so as to appropriately regularize the parameters under some matrix norm (in order to impose some more sophisticated prior knowledge).…

机器学习 · 计算机科学 2010-10-19 Sham M. Kakade , Shai Shalev-Shwartz , Ambuj Tewari

Achieving consistent sentiment representation across diverse modalities remains a key challenge in multimodal sentiment analysis. However, rapid emotional fluctuations over time often introduce instability, leading to compromised prediction…

机器学习 · 计算机科学 2026-02-03 Guoyang Xu , Zhenxi Song , Junqi Xue , Yuxin Liu , Zirui Wang , Zhiguo Zhang

Probabilistic graphical models compactly represent joint distributions by decomposing them into factors over subsets of random variables. In Bayesian networks, the factors are conditional probability distributions. For many problems, common…

机器学习 · 计算机科学 2018-08-21 Weirui Kong , Wenyi Wang

Audio-visual deepfake detection scrutinizes manipulations in public video using complementary multimodal cues. Current methods, which train on fused multimodal data for multimodal targets face challenges due to uncertainties and…

多媒体 · 计算机科学 2024-01-12 Heqing Zou , Meng Shen , Yuchen Hu , Chen Chen , Eng Siong Chng , Deepu Rajan

In recent years, multimodal recommendation has received significant attention and achieved remarkable success in GCN-based recommendation methods. However, there are two key challenges here: (1) There is a significant amount of redundant…

信息检索 · 计算机科学 2026-04-07 Xiangchen Pan , Wei Wei

Multispectral pedestrian detection is a crucial component in various critical applications. However, a significant challenge arises due to the misalignment between these modalities, particularly under real-world conditions where data often…

计算机视觉与模式识别 · 计算机科学 2024-11-28 Taeheon Kim , Sangyun Chung , Youngjoon Yu , Yong Man Ro

In many applications involving multi-media data, the definition of similarity between items is integral to several key tasks, e.g., nearest-neighbor retrieval, classification, and recommendation. Data in such regimes typically exhibits…

人工智能 · 计算机科学 2010-09-01 Brian McFee , Gert Lanckriet

In most practical applications such as recommendation systems, display advertising, and so forth, the collected data often contains missing values and those missing values are generally missing-not-at-random, which deteriorates the…

机器学习 · 计算机科学 2024-05-27 Mingming Ha , Xuewen Tao , Wenfang Lin , Qionxu Ma , Wujiang Xu , Linxun Chen

Multimodal learning faces two major challenges: modality imbalance and data noise, which significantly affect the robustness and generalization ability of models. Existing methods achieve modality balance by suppressing dominant modalities,…

多媒体 · 计算机科学 2025-11-17 Zijing Xu , Yunfeng Kou , Kunming Wu , Hong Liu

We aim to develop a fundamental understanding of modality collapse, a recently observed empirical phenomenon wherein models trained for multimodal fusion tend to rely only on a subset of the modalities, ignoring the rest. We show that…

机器学习 · 计算机科学 2025-08-18 Abhra Chaudhuri , Anjan Dutta , Tu Bui , Serban Georgescu

Trustworthy machine learning aims at combating distributional uncertainties in training data distributions compared to population distributions. Typical treatment frameworks include the Bayesian approach, (min-max) distributionally robust…

机器学习 · 计算机科学 2025-05-05 Shixiong Wang , Haowei Wang , Xinke Li , Jean Honorio

Distribution shifts are problems where the distribution of data changes between training and testing, which can significantly degrade the performance of a model deployed in the real world. Recent studies suggest that one reason for the…

机器学习 · 计算机科学 2023-04-10 Takuro Kutsuna

Prior research on out-of-distribution detection (OoDD) has primarily focused on single-modality models. Recently, with the advent of large-scale pretrained vision-language models such as CLIP, OoDD methods utilizing such multi-modal…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Jeonghyeon Kim , Sangheum Hwang

Anomaly detection in surveillance videos is challenging and important for ensuring public security. Different from pixel-based anomaly detection methods, pose-based methods utilize highly-structured skeleton data, which decreases the…

计算机视觉与模式识别 · 计算机科学 2021-12-09 Shoubin Yu , Zhongyin Zhao , Haoshu Fang , Andong Deng , Haisheng Su , Dongliang Wang , Weihao Gan , Cewu Lu , Wei Wu

Pedestrian detection in intelligent transportation systems has made significant progress but faces two critical challenges: (1) insufficient fusion of complementary information between visible and infrared spectra, particularly in complex…

计算机视觉与模式识别 · 计算机科学 2025-02-25 Rui Zhao , Zeyu Zhang , Yi Xu , Yi Yao , Yan Huang , Wenxin Zhang , Zirui Song , Xiuying Chen , Yang Zhao
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