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Alzheimer's Disease (AD) is the most common neurodegenerative disorder with one of the most complex pathogeneses, making effective and clinically actionable decision support difficult. The objective of this study was to develop a novel…

Machine Learning · Computer Science 2022-09-27 Michal Golovanevsky , Carsten Eickhoff , Ritambhara Singh

Brain transcriptomics provides insights into the molecular mechanisms by which the brain coordinates its functions and processes. However, existing multimodal methods for predicting Alzheimer's disease (AD) primarily rely on imaging and…

Artificial Intelligence · Computer Science 2025-04-03 Shan Cong , Zhoujie Fan , Hongwei Liu , Yinghan Zhang , Xin Wang , Haoran Luo , Xiaohui Yao

Multimodal machine learning with missing modalities is an increasingly relevant challenge arising in various applications such as healthcare. This paper extends the current research into missing modalities to the low-data regime, i.e., a…

Machine Learning · Computer Science 2024-03-27 Zhuo Zhi , Ziquan Liu , Moe Elbadawi , Adam Daneshmend , Mine Orlu , Abdul Basit , Andreas Demosthenous , Miguel Rodrigues

While multimodal data integrating diverse imaging and clinical tabular records is crucial for accurate medical diagnosis, the arbitrary absence of specific modalities is prevalent in clinical practice, severely degrading the performance of…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Tianling Liu , Lequan Yu , Tong Han , Liang Wan

Multimodal sentiment analysis (MSA) is an important way of observing mental activities with the help of data captured from multiple modalities. However, due to the recording or transmission error, some modalities may include incomplete…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Haozhe Chi , Minghua Yang , Junhao Zhu , Guanhong Wang , Gaoang Wang

Multimodal emotion recognition analyzes emotions by combining data from multiple sources. However, real-world noise or sensor failures often cause missing or corrupted data, creating the Incomplete Multimodal Emotion Recognition (IMER)…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Yuehan Jin , Xiaoqing Liu , Yiyuan Yang , Zhiwen Yu , Tong Zhang , Kaixiang Yang

This article extends the preprint "Characterizing Agent-Based Model Dynamics via $\epsilon$-Machines and Kolmogorov-Style Complexity" by introducing diffusion models as orthogonal and complementary tools for characterizing the output of…

Multiagent Systems · Computer Science 2025-12-05 Roberto Garrone

Human multimodal emotion recognition (MER) aims to perceive human emotions via language, visual and acoustic modalities. Despite the impressive performance of previous MER approaches, the inherent multimodal heterogeneities still haunt and…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Yong Li , Yuanzhi Wang , Zhen Cui

Heterogeneous face recognition is a challenging task due to the large modality discrepancy and insufficient cross-modal samples. Most existing works focus on discriminative feature transformation, metric learning and cross-modal face…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Yingguo Xu , Lei Zhang , Qingyan Duan

Multimodal emotion recognition systems rely heavily on the full availability of modalities, suffering significant performance declines when modal data is incomplete. To tackle this issue, we present the Cross-Modal Alignment,…

Multimedia · Computer Science 2024-07-15 Haoqin Sun , Shiwan Zhao , Shaokai Li , Xiangyu Kong , Xuechen Wang , Aobo Kong , Jiaming Zhou , Yong Chen , Wenjia Zeng , Yong Qin

Dynamic emotion recognition in the wild remains challenging due to the transient nature of emotional expressions and temporal misalignment of multi-modal cues. Traditional approaches predict valence and arousal and often overlook the…

Machine Learning · Computer Science 2025-05-05 Vrushank Ahire , Kunal Shah , Mudasir Nazir Khan , Nikhil Pakhale , Lownish Rai Sookha , M. A. Ganaie , Abhinav Dhall

AI-based motion capture is an emerging technology that offers a cost-effective alternative to traditional motion capture systems. However, current AI motion capture methods rely entirely on observed video sequences, similar to conventional…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Gao Huayu , Huang Tengjiu , Ye Xiaolong , Tsuyoshi Okita

In this work, we address the problem of learning an ensemble of specialist networks using multimodal data, while considering the realistic and challenging scenario of possible missing modalities at test time. Our goal is to leverage the…

Computer Vision and Pattern Recognition · Computer Science 2019-12-24 Nuno C. Garcia , Sarah Adel Bargal , Vitaly Ablavsky , Pietro Morerio , Vittorio Murino , Stan Sclaroff

Image completion is a challenging task, particularly when ensuring that generated content seamlessly integrates with existing parts of an image. While recent diffusion models have shown promise, they often struggle with maintaining…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Pourya Shamsolmoali , Masoumeh Zareapoor , Huiyu Zhou , Michael Felsberg , Dacheng Tao , Xuelong Li

Multimodal foundation models have demonstrated impressive capabilities across diverse tasks. However, their potential as plug-and-play solutions for missing modality reconstruction remains underexplored. To bridge this gap, we identify and…

Multimedia · Computer Science 2026-05-25 Guanzhou Ke , Bo Wang , Guoqing Chao , Weiming Hu , Shengfeng He

Multimodality has recently gained attention in the medical domain, where imaging or video modalities may be integrated with biomedical signals or health records. Yet, two challenges remain: balancing the contributions of modalities,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Julie Mordacq , Leo Milecki , Maria Vakalopoulou , Steve Oudot , Vicky Kalogeiton

The problem of missing data, usually absent incurated and competition-standard datasets, is an unfortunate reality for most machine learning models used in industry applications. Recent work has focused on understanding the nature and the…

Machine Learning · Computer Science 2022-01-25 Spyridon Mouselinos , Kyriakos Polymenakos , Antonis Nikitakis , Konstantinos Kyriakopoulos

Human motion generation aims to produce plausible human motion sequences according to various conditional inputs, such as text or audio. Despite the feasibility of existing methods in generating motion based on short prompts and simple…

Multimedia · Computer Science 2024-11-12 Bo Han , Hao Peng , Minjing Dong , Yi Ren , Yixuan Shen , Chang Xu

Recently, prompt learning has garnered considerable attention for its success in various Vision-Language (VL) tasks. However, existing prompt-based models are primarily focused on studying prompt generation and prompt strategies with…

Artificial Intelligence · Computer Science 2024-09-10 Ruiting Dai , Yuqiao Tan , Lisi Mo , Tao He , Ke Qin , Shuang Liang

Malignant brain tumors have become an aggressive and dangerous disease that leads to death worldwide.Multi-modal MRI data is crucial for accurate brain tumor segmentation, but missing modalities common in clinical practice can severely…

Methodology · Statistics 2025-07-11 Guoyan Liang , Qin Zhou , Jingyuan Chen , Bingcang Huang , Kai Chen , Lin Gu , Zhe Wang , Sai Wu , Chang Yao