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Egocentric action recognition enables robots to facilitate human-robot interactions and monitor task progress. Existing methods often rely solely on RGB videos, although additional modalities, such as audio, can improve accuracy under…

During multimodal model training and testing, certain data modalities may be absent due to sensor limitations, cost constraints, privacy concerns, or data loss, negatively affecting performance. Multimodal learning techniques designed to…

计算机视觉与模式识别 · 计算机科学 2026-02-05 Renjie Wu , Hu Wang , Hsiang-Ting Chen , Gustavo Carneiro

Multimodal information retrieval (MIR) faces inherent challenges due to the heterogeneity of data sources and the complexity of cross-modal alignment. While previous studies have identified modal gaps in feature spaces, a systematic…

计算机视觉与模式识别 · 计算机科学 2025-05-28 Fanheng Kong , Jingyuan Zhang , Yahui Liu , Hongzhi Zhang , Shi Feng , Xiaocui Yang , Daling Wang , Yu Tian , Victoria W. , Fuzheng Zhang , Guorui Zhou

Many machine learning models have been built to tackle information overload issues on Massive Open Online Courses (MOOC) platforms. These models rely on learning powerful representations of MOOC entities. However, they suffer from the…

机器学习 · 计算机科学 2021-07-13 Shalini Pandey , Jaideep Srivastava

Classifying products into categories precisely and efficiently is a major challenge in modern e-commerce. The high traffic of new products uploaded daily and the dynamic nature of the categories raise the need for machine learning models…

计算机视觉与模式识别 · 计算机科学 2016-11-30 Tom Zahavy , Alessandro Magnani , Abhinandan Krishnan , Shie Mannor

Majority of research in learning based methods has been towards designing and training networks for specific tasks. However, many of the learning based tasks, across modalities, share commonalities and could be potentially tackled in a…

计算机视觉与模式识别 · 计算机科学 2023-11-13 Siddharth Srivastava , Gaurav Sharma

This paper presents M3L-Contrast -- a novel multimodal multilingual (M3L) neural topic model for comparable data that maps texts from multiple languages and images into a shared topic space. Our model is trained jointly on texts and images…

计算与语言 · 计算机科学 2022-11-16 Elaine Zosa , Lidia Pivovarova

Modern e-commerce search is inherently multimodal: customers make purchase decisions by jointly considering product text and visual informations. However, most industrial retrieval and ranking systems primarily rely on textual information,…

信息检索 · 计算机科学 2026-03-06 Qujiaheng Zhang , Guagnyue Xu , Fengjie Li

Multimodal recommendation systems have attracted increasing attention for their improved performance by leveraging items' multimodal information. Prior methods often build modality-specific item-item semantic graphs from raw modality…

信息检索 · 计算机科学 2025-08-11 Xiaoxiong Zhang , Xin Zhou , Zhiwei Zeng , Dusit Niyato , Zhiqi Shen

The success of deep convolutional neural networks is partially attributed to the massive amount of annotated training data. However, in practice, medical data annotations are usually expensive and time-consuming to be obtained. Considering…

图像与视频处理 · 电气工程与系统科学 2020-10-06 Kang Li , Lequan Yu , Shujun Wang , Pheng-Ann Heng

Complex objects are usually with multiple labels, and can be represented by multiple modal representations, e.g., the complex articles contain text and image information as well as multiple annotations. Previous methods assume that the…

机器学习 · 计算机科学 2021-04-20 Yang Yang , Zhao-Yang Fu , De-Chuan Zhan , Zhi-Bin Liu , Yuan Jiang

Knowledge-enhanced language representation learning has shown promising results across various knowledge-intensive NLP tasks. However, prior methods are limited in efficient utilization of multilingual knowledge graph (KG) data for language…

计算与语言 · 计算机科学 2022-10-20 Linlin Liu , Xin Li , Ruidan He , Lidong Bing , Shafiq Joty , Luo Si

Large Language Models (LLMs) pre-trained on massive corpora have exhibited remarkable performance on various NLP tasks. However, applying these models to specific domains still poses significant challenges, such as lack of domain knowledge,…

计算与语言 · 计算机科学 2023-12-27 Shirong Ma , Shen Huang , Shulin Huang , Xiaobin Wang , Yangning Li , Hai-Tao Zheng , Pengjun Xie , Fei Huang , Yong Jiang

Modern information systems often involve different types of items, e.g., a text query, an image, a video clip, or an audio segment. This motivates omni-modal embedding models that map heterogeneous modalities into a shared space for direct…

计算与语言 · 计算机科学 2026-01-12 Haonan Chen , Sicheng Gao , Radu Timofte , Tetsuya Sakai , Zhicheng Dou

We introduce MM-Mixing, a multi-modal mixing alignment framework for 3D understanding. MM-Mixing applies mixing-based methods to multi-modal data, preserving and optimizing cross-modal connections while enhancing diversity and improving…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Jiaze Wang , Yi Wang , Ziyu Guo , Renrui Zhang , Donghao Zhou , Guangyong Chen , Anfeng Liu , Pheng-Ann Heng

Current multimodal and multitask foundation models like 4M or UnifiedIO show promising results, but in practice their out-of-the-box abilities to accept diverse inputs and perform diverse tasks are limited by the (usually rather small)…

计算机视觉与模式识别 · 计算机科学 2024-06-17 Roman Bachmann , Oğuzhan Fatih Kar , David Mizrahi , Ali Garjani , Mingfei Gao , David Griffiths , Jiaming Hu , Afshin Dehghan , Amir Zamir

Scaling up motion datasets is crucial to enhance motion generation capabilities. However, training on large-scale multi-source datasets introduces data heterogeneity challenges due to variations in motion content. To address this, we…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Junyu Shi , Lijiang Liu , Yong Sun , Zhiyuan Zhang , Jinni Zhou , Qiang Nie

Research on multi-modal learning dominantly aligns the modalities in a unified space at training, and only a single one is taken for prediction at inference. However, for a real machine, e.g., a robot, sensors could be added or removed at…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Yuanhuiyi Lyu , Xu Zheng , Dahun Kim , Lin Wang

Multi-modality medical imaging is crucial in clinical treatment as it can provide complementary information for medical image segmentation. However, collecting multi-modal data in clinical is difficult due to the limitation of the scan time…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Shuai Wang , Zipei Yan , Daoan Zhang , Haining Wei , Zhongsen Li , Rui Li

Multimodal fusion leverages information across modalities to learn better feature representations with the goal of improving performance in fusion-based tasks. However, multimodal datasets, especially in medical settings, are typically…

机器学习 · 计算机科学 2025-02-05 Alejandro Guerra-Manzanares , Farah E. Shamout