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Multimodal sentiment analysis (MSA) identifies individuals' sentiment states in videos by integrating visual, audio, and text modalities. Despite progress in existing methods, the inherent modality heterogeneity limits the effective capture…

Machine Learning · Computer Science 2025-12-19 Shanmin Wang , Chengguang Liu , Qingshan Liu

Multimodal learning aims to imitate human beings to acquire complementary information from multiple modalities for various downstream tasks. However, traditional aggregation-based multimodal fusion methods ignore the inter-modality…

Computer Vision and Pattern Recognition · Computer Science 2023-05-17 Heqing Zou , Meng Shen , Chen Chen , Yuchen Hu , Deepu Rajan , Eng Siong Chng

Batch active learning (BAL) is a crucial technique for reducing labeling costs and improving data efficiency in training large-scale deep learning models. Traditional BAL methods often rely on metrics like Mahalanobis Distance to balance…

Machine Learning · Computer Science 2026-04-15 Guofeng Cui , Yang Liu , Pichao Wang , Hankai Hsu , Xiaohang Sun , Xiang Hao , Zhu Liu

Active preference learning offers an efficient approach to modeling preferences, but it is hindered by the cold-start problem, which leads to a marked decline in performance when no initial labeled data are available. While cold-start…

Machine Learning · Computer Science 2025-11-04 Mojtaba Fayaz-Bakhsh , Danial Ataee , MohammadAmin Fazli

Active learning (AL) aims to enable training high performance classifiers with low annotation cost by predicting which subset of unlabelled instances would be most beneficial to label. The importance of AL has motivated extensive research,…

Machine Learning · Computer Science 2018-06-14 Kunkun Pang , Mingzhi Dong , Yang Wu , Timothy Hospedales

Multimodal learning plays a pivotal role in advancing artificial intelligence systems by incorporating information from multiple modalities to build a more comprehensive representation. Despite its importance, current state-of-the-art…

Machine Learning · Computer Science 2025-09-30 Giordano Cicchetti , Eleonora Grassucci , Danilo Comminiello

Self-supervised learning is an efficient pre-training method for medical image analysis. However, current research is mostly confined to specific-modality data pre-training, consuming considerable time and resources without achieving…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Yiwen Ye , Yutong Xie , Jianpeng Zhang , Ziyang Chen , Qi Wu , Yong Xia

The strength of multimodal learning lies in its ability to integrate information from various sources, providing rich and comprehensive insights. However, in real-world scenarios, multi-modal systems often face the challenge of dynamic…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Xiyuan Gao , Bing Cao , Pengfei Zhu , Nannan Wang , Qinghua Hu

Multi-modal learning aims to enhance performance by unifying models from various modalities but often faces the "modality imbalance" problem in real data, leading to a bias towards dominant modalities and neglecting others, thereby limiting…

Computer Vision and Pattern Recognition · Computer Science 2024-04-15 Yang Yang , Hongpeng Pan , Qing-Yuan Jiang , Yi Xu , Jinghui Tang

Active learning (AL) in open set scenarios presents a novel challenge of identifying the most valuable examples in an unlabeled data pool that comprises data from both known and unknown classes. Traditional methods prioritize selecting…

Machine Learning · Computer Science 2024-11-14 Chen-Chen Zong , Ye-Wen Wang , Kun-Peng Ning , Hai-Bo Ye , Sheng-Jun Huang

Multi-modal recommendation greatly enhances the performance of recommender systems by modeling the auxiliary information from multi-modality contents. Most existing multi-modal recommendation models primarily exploit multimedia information…

Information Retrieval · Computer Science 2024-07-09 Xinglong Wu , Anfeng Huang , Hongwei Yang , Hui He , Yu Tai , Weizhe Zhang

Acquiring properly annotated data is expensive in the medical field as it requires experts, time-consuming protocols, and rigorous validation. Active learning attempts to minimize the need for large annotated samples by actively sampling…

Image and Video Processing · Electrical Eng. & Systems 2023-06-22 Bidur Khanal , Binod Bhattarai , Bishesh Khanal , Danail Stoyanov , Cristian A. Linte

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,…

Machine Learning · Computer Science 2024-07-30 Yunfeng Fan , Wenchao Xu , Haozhao Wang , Fushuo Huo , Jinyu Chen , Song Guo

Supervised person re-identification (re-id) approaches require a large amount of pairwise manual labeled data, which is not applicable in most real-world scenarios for re-id deployment. On the other hand, unsupervised re-id methods rely on…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Wenjing Gao , Minxian Li

Active learning (AL) aims at reducing labeling effort by identifying the most valuable unlabeled data points from a large pool. Traditional AL frameworks have two limitations: First, they perform data selection in a multi-round manner,…

Machine Learning · Computer Science 2021-08-09 Si Chen , Tianhao Wang , Ruoxi Jia

This paper investigates how to better leverage large-scale pre-trained uni-modal models to further enhance discriminative multi-modal learning. Even when fine-tuned with only uni-modal data, these models can outperform previous multi-modal…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Chenzhuang Du , Yue Zhao , Chonghua Liao , Jiacheng You , Jie Fu , Hang Zhao

Deep learning models have been successfully used in medical image analysis problems but they require a large amount of labeled images to obtain good performance.Deep learning models have been successfully used in medical image analysis…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Asim Smailagic , Hae Young Noh , Pedro Costa , Devesh Walawalkar , Kartik Khandelwal , Mostafa Mirshekari , Jonathon Fagert , Adrián Galdrán , Susu Xu

Active learning (AL) algorithms aim to identify an optimal subset of data for annotation, such that deep neural networks (DNN) can achieve better performance when trained on this labeled subset. AL is especially impactful in industrial…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Zeyad Ali Sami Emam , Hong-Min Chu , Ping-Yeh Chiang , Wojciech Czaja , Richard Leapman , Micah Goldblum , Tom Goldstein

Multimodal sentiment analysis is drawing an increasing amount of attention these days. It enables mining of opinions in video reviews which are now available aplenty on online platforms. However, multimodal sentiment analysis has only a few…

Computation and Language · Computer Science 2017-04-14 Haohan Wang , Aaksha Meghawat , Louis-Philippe Morency , Eric P. Xing

Existing multimodal tasks mostly target at the complete input modality setting, i.e., each modality is either complete or completely missing in both training and test sets. However, the randomly missing situations have still been…

Computation and Language · Computer Science 2022-10-25 Wei Han , Hui Chen , Min-Yen Kan , Soujanya Poria