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Learning joint representations across multiple modalities remains a central challenge in multimodal machine learning. Prevailing approaches predominantly operate in pairwise settings, aligning two modalities at a time. While some recent…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Stefanos Koutoupis , Michaela Areti Zervou , Konstantinos Kontras , Maarten De Vos , Panagiotis Tsakalides , Grigorios Tsagkatakis

Hypergraphs are a generalized data structure of graphs to model higher-order correlations among entities, which have been successfully adopted into various research domains. Meanwhile, HyperGraph Neural Network (HGNN) is currently the…

Computer Vision and Pattern Recognition · Computer Science 2021-05-04 Jing Huang , Xiaolin Huang , Jie Yang

Inter-person occlusion and depth ambiguity make estimating the 3D poses of monocular multiple persons as camera-centric coordinates a challenging problem. Typical top-down frameworks suffer from high computational redundancy with an…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Juze Zhang , Jingya Wang , Ye Shi , Fei Gao , Lan Xu , Jingyi Yu

Existing methods for reconstructing objects and humans from a monocular image suffer from severe mesh collisions and performance limitations for interacting occluding objects. This paper introduces a method to obtain a globally consistent…

Computer Vision and Pattern Recognition · Computer Science 2024-08-16 Sarthak Batra , Partha P. Chakrabarti , Simon Hadfield , Armin Mustafa

Recent advances in 3D foundation models have led to growing interest in reconstructing humans and their surrounding environments. However, most existing approaches focus on monocular inputs, and extending them to multi-view settings…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Sangmin Kim , Minhyuk Hwang , Geonho Cha , Dongyoon Wee , Jaesik Park

Person re-identification (re-ID) via 3D skeletons is an important emerging topic with many merits. Existing solutions rarely explore valuable body-component relations in skeletal structure or motion, and they typically lack the ability to…

Computer Vision and Pattern Recognition · Computer Science 2022-08-26 Haocong Rao , Chunyan Miao

With the explosive growth of information technology, multi-view graph data have become increasingly prevalent and valuable. Most existing multi-view clustering techniques either focus on the scenario of multiple graphs or multi-view…

Machine Learning · Computer Science 2021-10-25 Erlin Pan , Zhao Kang

High-quality 4D reconstruction of human performance with complex interactions to various objects is essential in real-world scenarios, which enables numerous immersive VR/AR applications. However, recent advances still fail to provide…

Computer Vision and Pattern Recognition · Computer Science 2021-05-03 Zhuo Su , Lan Xu , Dawei Zhong , Zhong Li , Fan Deng , Shuxue Quan , Lu Fang

Building cross-modal applications is challenging due to limited paired multi-modal data. Recent works have shown that leveraging a pre-trained multi-modal contrastive representation space enables cross-modal tasks to be learned from…

Machine Learning · Computer Science 2024-01-17 Yuhui Zhang , Elaine Sui , Serena Yeung-Levy

Currently, most crowd counting methods have outstanding performance under normal weather conditions. However, our experimental validation reveals two key obstacles limiting the accuracy improvement of crowd counting models: 1) the domain…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Tianhang Pan , Xiuyi Jia

Monocular vertex-level human-scene contact prediction is a fundamental capability for interactive systems such as assistive monitoring, embodied AI, and rehabilitation analysis. In this work, we study this task jointly with single-image 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Xiaojian Lin , Yaomin Shen , Junyuan Ma , Yujie Sun , Chengqing Bu , Wenxin Zhang , Zongzheng Zhang , Hao Fei , Lei Jin , Hao Zhao

We propose a novel crowd counting model that maps a given crowd scene to its density. Crowd analysis is compounded by myriad of factors like inter-occlusion between people due to extreme crowding, high similarity of appearance between…

Computer Vision and Pattern Recognition · Computer Science 2017-08-04 Deepak Babu Sam , Shiv Surya , R. Venkatesh Babu

Recent approaches to jointly reconstruct 3D humans and objects from a single RGB image represent 3D shapes with template-based or coarse models, which fail to capture details of loose clothing on human bodies. In this paper, we introduce a…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Ayushi Dutta , Marco Pesavento , Marco Volino , Adrian Hilton , Armin Mustafa

Understanding how objects relate to each other in space is fundamental to scene understanding, yet most contrastive pre-training approaches only model pairwise relationships, leaving richer compositional and multi-hop interactions largely…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Sheikh Tanvir Ahmed , Md. Tanvir Raihan

The wide application of smart devices enables the availability of multimodal data, which can be utilized in many tasks. In the field of multimodal sentiment analysis (MSA), most previous works focus on exploring intra- and inter-modal…

Artificial Intelligence · Computer Science 2021-09-07 Sijie Mai , Ying Zeng , Shuangjia Zheng , Haifeng Hu

The three-dimensional reconstruction of scenes from multiple views has made impressive strides in recent years, chiefly by methods correlating isolated feature points, intensities, or curvilinear structure. In the general setting, i.e.,…

Computer Vision and Pattern Recognition · Computer Science 2017-07-14 Anil Usumezbas , Ricardo Fabbri , Benjamin Kimia

Multi-person human mesh recovery from a single image is a challenging task, hindered by the scarcity of in-the-wild training data. Prevailing in-the-wild human mesh pseudo-ground-truth (pGT) generation pipelines are single-person-centric,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Kaiwen Wang , Kaili Zheng , Yiming Shi , Chenyi Guo , Ji Wu

Multimodal emotion recognition aims to recognize emotions for each utterance of multiple modalities, which has received increasing attention for its application in human-machine interaction. Current graph-based methods fail to…

Computation and Language · Computer Science 2023-11-21 Dongyuan Li , Yusong Wang , Kotaro Funakoshi , Manabu Okumura

This paper addresses the challenging task of reconstructing the poses of multiple individuals engaged in close interactions, captured by multiple calibrated cameras. The difficulty arises from the noisy or false 2D keypoint detections due…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Qing Shuai , Zhiyuan Yu , Zhize Zhou , Lixin Fan , Haijun Yang , Can Yang , Xiaowei Zhou

Humans perceive the world through multisensory integration, blending the information of different modalities to adapt their behavior. Contrastive learning offers an appealing solution for multimodal self-supervised learning. Indeed, by…

Machine Learning · Computer Science 2025-03-06 Benoit Dufumier , Javiera Castillo-Navarro , Devis Tuia , Jean-Philippe Thiran