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Related papers: MoPFormer: Motion-Primitive Transformer for Wearab…

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Human Activity Recognition (HAR) has recently witnessed advancements with Transformer-based models. Especially, ActionFormer shows us a new perspectives for HAR in the sense that this approach gives us additional outputs which detect the…

Machine Learning · Computer Science 2025-05-28 Kunpeng Zhao , Asahi Miyazaki , Tsuyoshi Okita

Transformers have excelled in natural language processing and computer vision, paving their way to sensor-based Human Activity Recognition (HAR). Previous studies show that transformers outperform their counterparts exclusively when they…

Machine Learning · Computer Science 2024-10-18 Clayton Souza Leite , Henry Mauranen , Aziza Zhanabatyrova , Yu Xiao

Multi-person motion prediction remains a challenging problem, especially in the joint representation learning of individual motion and social interactions. Most prior methods only involve learning local pose dynamics for individual motion…

Computer Vision and Pattern Recognition · Computer Science 2023-02-07 Xiaogang Peng , Yaodi Shen , Haoran Wang , Binling Nie , Yigang Wang , Zizhao Wu

Multi-modal human action segmentation is a critical and challenging task with a wide range of applications. Nowadays, the majority of approaches concentrate on the fusion of dense signals (i.e., RGB, optical flow, and depth maps). However,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Qi Liu , Xinchen Liu , Kun Liu , Xiaoyan Gu , Wu Liu

Traditional vision-based material perception methods often experience substantial performance degradation under visually impaired conditions, thereby motivating the shift toward non-visual multimodal material perception. Despite this,…

Machine Learning · Computer Science 2025-11-26 Kailin Lyu , Long Xiao , Jianing Zeng , Junhao Dong , Xuexin Liu , Zhuojun Zou , Haoyue Yang , Lin Shu , Jie Hao

Algorithms for the action segmentation task typically use temporal models to predict what action is occurring at each frame for a minute-long daily activity. Recent studies have shown the potential of Transformer in modeling the relations…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Fangqiu Yi , Hongyu Wen , Tingting Jiang

Pedestrian attribute recognition (PAR) has received increasing attention because of its wide application in video surveillance and pedestrian analysis. Extracting robust feature representation is one of the key challenges in this task. The…

Computer Vision and Pattern Recognition · Computer Science 2023-04-17 Xinwen Fan , Yukang Zhang , Yang Lu , Hanzi Wang

The challenging task of multi-object tracking (MOT) requires simultaneous reasoning about track initialization, identity, and spatio-temporal trajectories. We formulate this task as a frame-to-frame set prediction problem and introduce…

Computer Vision and Pattern Recognition · Computer Science 2022-05-02 Tim Meinhardt , Alexander Kirillov , Laura Leal-Taixe , Christoph Feichtenhofer

In line with the human capacity to perceive the world by simultaneously processing and integrating high-dimensional inputs from multiple modalities like vision and audio, we propose a novel model, MAiVAR-T (Multimodal Audio-Image to Video…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Muhammad Bilal Shaikh , Douglas Chai , Syed Mohammed Shamsul Islam , Naveed Akhtar

In this work, we introduce the Prototypical Transformer (ProtoFormer), a general and unified framework that approaches various motion tasks from a prototype perspective. ProtoFormer seamlessly integrates prototype learning with Transformer…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Cheng Han , Yawen Lu , Guohao Sun , James C. Liang , Zhiwen Cao , Qifan Wang , Qiang Guan , Sohail A. Dianat , Raghuveer M. Rao , Tong Geng , Zhiqiang Tao , Dongfang Liu

Human motion transfer aims to transfer motions from a target dynamic person to a source static one for motion synthesis. An accurate matching between the source person and the target motion in both large and subtle motion changes is vital…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Hongyu Liu , Xintong Han , Chengbin Jin , Lihui Qian , Huawei Wei , Zhe Lin , Faqiang Wang , Haoye Dong , Yibing Song , Jia Xu , Qifeng Chen

We present a unified perspective on tackling various human-centric video tasks by learning human motion representations from large-scale and heterogeneous data resources. Specifically, we propose a pretraining stage in which a motion…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Wentao Zhu , Xiaoxuan Ma , Zhaoyang Liu , Libin Liu , Wayne Wu , Yizhou Wang

Sensor-based Human Activity Recognition (HAR) underpins many ubiquitous and wearable computing applications, yet current models remain limited by scarce labels, sensor heterogeneity, and weak generalization across users, devices, and…

Signal Processing · Electrical Eng. & Systems 2026-04-10 Sizhen Bian , Mengxi Liu , Lala Shakti Swarup Ray , Bo Zhou , Bin Guo , Zhiwen Yu , Thomas Ploetz , Paul Lukowicz , Siyu Yuan , Vitor Fortes Rey

As wearable sensing becomes increasingly pervasive, a key challenge remains: how can we generate natural language summaries from raw physiological signals such as actigraphy - minute-level movement data collected via accelerometers? In this…

Machine Learning · Computer Science 2025-12-29 Aiwei Zhang , Arvind Pillai , Andrew Campbell , Nicholas C. Jacobson

Multimodal fusion frameworks for Human Action Recognition (HAR) using depth and inertial sensor data have been proposed over the years. In most of the existing works, fusion is performed at a single level (feature level or decision level),…

Machine Learning · Computer Science 2019-10-28 Zeeshan Ahmad , Naimul Khan

Human Activity Recognition (HAR) using wearable sensor data has become a central task in mobile computing, healthcare, and human-computer interaction. Despite the success of traditional deep learning models such as CNNs and RNNs, they often…

Machine Learning · Computer Science 2025-05-27 Yunbo Liu , Xukui Qin , Yifan Gao , Xiang Li , Chengwei Feng

Amodal Instance Segmentation (AIS) presents a challenging task as it involves predicting both visible and occluded parts of objects within images. Existing AIS methods rely on a bidirectional approach, encompassing both the transition from…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Minh Tran , Winston Bounsavy , Khoa Vo , Anh Nguyen , Tri Nguyen , Ngan Le

Combining different sensing modalities with multiple positions helps form a unified perception and understanding of complex situations such as human behavior. Hence, human activity recognition (HAR) benefits from combining redundant and…

Machine Learning · Computer Science 2024-04-26 Hymalai Bello

Ubiquitous mobile devices are generating vast amounts of location-based service data that reveal how individuals navigate and utilize urban spaces in detail. In this study, we utilize these extensive, unlabeled sequences of user…

Machine Learning · Computer Science 2024-06-06 Xinhua Wu , Haoyu He , Yanchao Wang , Qi Wang

Modern industrial recommendation systems encounter a core challenge of multi-stage optimization misalignment: a significant semantic gap exists between the multi-objective optimization paradigm widely used in the ranking phase and the…

Information Retrieval · Computer Science 2026-03-27 Yijia Sun , Shanshan Huang , Linxiao Che , Haitao Lu , Qiang Luo , Kun Gai , Guorui Zhou
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