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3D pose transfer that aims to transfer the desired pose to a target mesh is one of the most challenging 3D generation tasks. Previous attempts rely on well-defined parametric human models or skeletal joints as driving pose sources. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-04 Haoyu Chen , Hao Tang , Ehsan Adeli , Guoying Zhao

Pre-training by numerous image data has become de-facto for robust 2D representations. In contrast, due to the expensive data acquisition and annotation, a paucity of large-scale 3D datasets severely hinders the learning for high-quality 3D…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Renrui Zhang , Liuhui Wang , Yu Qiao , Peng Gao , Hongsheng Li

Human social behaviors are inherently multimodal necessitating the development of powerful audiovisual models for their perception. In this paper, we present Social-MAE, our pre-trained audiovisual Masked Autoencoder based on an extended…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Hugo Bohy , Minh Tran , Kevin El Haddad , Thierry Dutoit , Mohammad Soleymani

Unsupervised visual anomaly detection conveys practical significance in many scenarios and is a challenging task due to the unbounded definition of anomalies. Moreover, most previous methods are application-specific, and establishing a…

Computer Vision and Pattern Recognition · Computer Science 2022-11-02 Haiming Yao , Xue Wang , Wenyong Yu

Person re-identification via 3D skeletons is an emerging topic with great potential in security-critical applications. Existing methods typically learn body and motion features from the body-joint trajectory, whereas they lack a systematic…

Computer Vision and Pattern Recognition · Computer Science 2021-07-06 Haocong Rao , Xiping Hu , Jun Cheng , Bin Hu

Recently, occluded person re-identification(Re-ID) remains a challenging task that people are frequently obscured by other people or obstacles, especially in a crowd massing situation. In this paper, we propose a self-supervised deep…

Computer Vision and Pattern Recognition · Computer Science 2022-02-11 Mi Zhou , Hongye Liu , Zhekun Lv , Wei Hong , Xiai Chen

Existing rotation-invariant point cloud masked autoencoders (MAE) rely on random masking strategies that overlook geometric structure and semantic coherence. Random masking treats patches independently, failing to capture spatial…

Computer Vision and Pattern Recognition · Computer Science 2025-09-19 Xuanhua Yin , Dingxin Zhang , Yu Feng , Shunqi Mao , Jianhui Yu , Weidong Cai

Unique player identification is a fundamental module in vision-driven sports analytics. Identifying players from broadcast videos can aid with various downstream tasks such as player assessment, in-game analysis, and broadcast production.…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Bavesh Balaji , Jerrin Bright , Sirisha Rambhatla , Yuhao Chen , Alexander Wong , John Zelek , David A Clausi

Predicting 3D human pose from a single monoscopic video can be highly challenging due to factors such as low resolution, motion blur and occlusion, in addition to the fundamental ambiguity in estimating 3D from 2D. Approaches that directly…

Computer Vision and Pattern Recognition · Computer Science 2021-04-26 Tao Jiang , Necati Cihan Camgoz , Richard Bowden

Action recognition from well-segmented 3D skeleton video has been intensively studied. However, due to the difficulty in representing the 3D skeleton video and the lack of training data, action detection from streaming 3D skeleton video…

Computer Vision and Pattern Recognition · Computer Science 2017-04-20 Bo Li , Huahui Chen , Yucheng Chen , Yuchao Dai , Mingyi He

Long-term human motion can be represented as a series of motion modes---motion sequences that capture short-term temporal dynamics---with transitions between them. We leverage this structure and present a novel Motion Transformation…

Machine Learning · Computer Science 2018-08-15 Xinchen Yan , Akash Rastogi , Ruben Villegas , Kalyan Sunkavalli , Eli Shechtman , Sunil Hadap , Ersin Yumer , Honglak Lee

This paper shows that masked autoencoders (MAE) are scalable self-supervised learners for computer vision. Our MAE approach is simple: we mask random patches of the input image and reconstruct the missing pixels. It is based on two core…

Computer Vision and Pattern Recognition · Computer Science 2021-12-21 Kaiming He , Xinlei Chen , Saining Xie , Yanghao Li , Piotr Dollár , Ross Girshick

Recently, transformer-based methods have gained significant success in sequential 2D-to-3D lifting human pose estimation. As a pioneering work, PoseFormer captures spatial relations of human joints in each video frame and human dynamics…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Qitao Zhao , Ce Zheng , Mengyuan Liu , Pichao Wang , Chen Chen

Intracranial aneurysms are a major cause of morbidity and mortality worldwide, and detecting them manually is a complex, time-consuming task. Albeit automated solutions are desirable, the limited availability of training data makes it…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Alberto Mario Ceballos-Arroyo , Jisoo Kim , Chu-Hsuan Lin , Lei Qin , Geoffrey S. Young , Huaizu Jiang

Wearable devices enable continuous multi-modal physiological and behavioral monitoring, yet analysis of these data streams faces fundamental challenges including the lack of gold-standard labels and incomplete sensor data. While…

Machine Learning · Statistics 2025-09-22 Howon Ryu , Yuliang Chen , Yacun Wang , Andrea Z. LaCroix , Chongzhi Di , Loki Natarajan , Yu Wang , Jingjing Zou

Masked Autoencoder (MAE) has recently been shown to be effective in pre-training Vision Transformers (ViT) for natural image analysis. By reconstructing full images from partially masked inputs, a ViT encoder aggregates contextual…

Image and Video Processing · Electrical Eng. & Systems 2023-04-24 Lei Zhou , Huidong Liu , Joseph Bae , Junjun He , Dimitris Samaras , Prateek Prasanna

Automated analysis of surgical videos is crucial for improving surgical training, workflow optimization, and postoperative assessment. We introduce a CSMAE, Masked Autoencoder (MAE)-based pretraining approach, specifically developed for…

Computer Vision and Pattern Recognition · Computer Science 2025-02-14 Nisarg A. Shah , Wele Gedara Chaminda Bandara , Shameema Skider , S. Swaroop Vedula , Vishal M. Patel

Unsupervised multivariate time series (MTS) representation learning aims to extract compact and informative representations from raw sequences without relying on labels, enabling efficient transfer to diverse downstream tasks. In this…

Machine Learning · Computer Science 2025-09-22 Yi Xu , Yitian Zhang , Yun Fu

Egocentric 3D human pose estimation remains challenging due to severe perspective distortion, limited body visibility, and complex camera motion inherent in first-person viewpoints. Existing methods typically rely on single-frame analysis…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Md Mushfiqur Azam , John Quarles , Kevin Desai

A common approach to localize 3D human joints in a synchronized and calibrated multi-view setup consists of two-steps: (1) apply a 2D detector separately on each view to localize joints in 2D, and (2) perform robust triangulation on 2D…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Yihui He , Rui Yan , Katerina Fragkiadaki , Shoou-I Yu