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Related papers: COMODO: Cross-Modal Video-to-IMU Distillation for …

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IMU-based Human Activity Recognition (HAR) has enabled a wide range of ubiquitous computing applications, yet its dominant clip classification paradigm cannot capture the rich temporal structure of real-world behaviors. This motivates a…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Pei Li , Jiaxi Yin , Lei Ouyang , Shihan Pan , Ge Wang , Han Ding , Fei Wang

We propose a new video camouflaged object detection (VCOD) framework that can exploit both short-term dynamics and long-term temporal consistency to detect camouflaged objects from video frames. An essential property of camouflaged objects…

Computer Vision and Pattern Recognition · Computer Science 2022-03-16 Xuelian Cheng , Huan Xiong , Deng-Ping Fan , Yiran Zhong , Mehrtash Harandi , Tom Drummond , Zongyuan Ge

Collaborative filtering is one of the most common scenarios and popular research topics in recommender systems. Among existing methods, latent factor models, i.e., learning a specific embedding for each user/item by reconstructing the…

Information Retrieval · Computer Science 2022-04-27 Yunfan Wu , Qi Cao , Huawei Shen , Shuchang Tao , Xueqi Cheng

With each sensing modality exhibiting inherent strengths and limitations, multi-modal approaches for wearable Human Activity Recognition (HAR) are becoming increasingly relevant -- particularly for recognizing Activities of Daily Living…

Machine Learning · Computer Science 2026-05-05 Robin Burchard , Pascal-André Brückner , Marius Bock , Juergen Gall , Kristof Van Laerhoven

In open-world environments, human-object interactions (HOIs) evolve continuously, challenging conventional closed-world HOI detection models. Inspired by humans' ability to progressively acquire knowledge, we explore incremental HOI…

Computer Vision and Pattern Recognition · Computer Science 2025-11-03 Yana Wei , Zeen Chi , Chongyu Wang , Yu Wu , Shipeng Yan , Yongfei Liu , Xuming He

Multimodal semantic communication has great potential to enhance downstream task performance by integrating complementary information across modalities. This paper introduces ProMSC-MIS, a novel Prompt-based Multimodal Semantic…

Multimedia · Computer Science 2025-08-28 Haoshuo Zhang , Yufei Bo , Meixia Tao

Cross-embodiment video generation aims to transfer motions across different humanoid embodiments, such as human-to-robot and robot-to-robot, enabling scalable data generation for embodied intelligence. A major challenge in this setting is…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Yiren Song , Xiyao Deng , Pei Yang , Yihan Wang , Mike Zheng Shou

We present SAM4D, a multi-modal and temporal foundation model designed for promptable segmentation across camera and LiDAR streams. Unified Multi-modal Positional Encoding (UMPE) is introduced to align camera and LiDAR features in a shared…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Jianyun Xu , Song Wang , Ziqian Ni , Chunyong Hu , Sheng Yang , Jianke Zhu , Qiang Li

Unsupervised domain adaptation (UDA) has been a potent technique to handle the lack of annotations in the target domain, particularly in semantic segmentation task. This study introduces a different UDA scenarios where the target domain…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Fei Pan , Xu Yin , Seokju Lee , Axi Niu , Sungeui Yoon , In So Kweon

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

Multimodal learning aims to build models that can process and relate information from multiple modalities. Despite years of development in this field, it still remains challenging to design a unified network for processing various…

Computer Vision and Pattern Recognition · Computer Science 2023-07-21 Yiyuan Zhang , Kaixiong Gong , Kaipeng Zhang , Hongsheng Li , Yu Qiao , Wanli Ouyang , Xiangyu Yue

Most nighttime semantic segmentation studies are based on domain adaptation approaches and image input. However, limited by the low dynamic range of conventional cameras, images fail to capture structural details and boundary information in…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Ruihao Xia , Chaoqiang Zhao , Meng Zheng , Ziyan Wu , Qiyu Sun , Yang Tang

Energy-constrained sensor nodes can adaptively optimize their energy consumption if a continuous measurement exists. This is of particular importance in scenarios of high dynamics such as energy harvesting or adaptive task scheduling.…

Signal Processing · Electrical Eng. & Systems 2022-07-19 Michel Rottleuthner , Thomas C. Schmidt , Matthias Wählisch

Generating human-object interactions (HOIs) is critical with the tremendous advances of digital avatars. Existing datasets are typically limited to humans interacting with a single object while neglecting the ubiquitous manipulation of…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Xintao Lv , Liang Xu , Yichao Yan , Xin Jin , Congsheng Xu , Shuwen Wu , Yifan Liu , Lincheng Li , Mengxiao Bi , Wenjun Zeng , Xiaokang Yang

Vision foundation models (VFMs) such as DINO have led to a paradigm shift in 2D camera-based perception towards extracting generalized features to support many downstream tasks. Recent works introduce self-supervised cross-modal knowledge…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Hariprasath Govindarajan , Maciej K. Wozniak , Marvin Klingner , Camille Maurice , B Ravi Kiran , Senthil Yogamani

Humanoid robots and mixed reality headsets benefit from the use of head-mounted sensors for tracking. While advancements in visual-inertial odometry (VIO) and simultaneous localization and mapping (SLAM) have produced new and high-quality…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Mateo de Mayo , Daniel Cremers , Taihú Pire

Object discovery, which refers to the task of localizing objects without human annotations, has gained significant attention in 2D image analysis. However, despite this growing interest, it remains under-explored in 3D data, where…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Saad Lahlali , Sandra Kara , Hejer Ammar , Florian Chabot , Nicolas Granger , Hervé Le Borgne , Quoc-Cuong Pham

Human Activity Recognition (HAR) from wearable sensor data identifies movements or activities in unconstrained environments. HAR is a challenging problem as it presents great variability across subjects. Obtaining large amounts of labelled…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Arttu Lämsä , Jaakko Tervonen , Jussi Liikka , Constantino Álvarez Casado , Miguel Bordallo López

Lately, there has been growing interest in adapting vision-language models (VLMs) to image and third-person video classification due to their success in zero-shot recognition. However, the adaptation of these models to egocentric videos has…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Anna Kukleva , Fadime Sener , Edoardo Remelli , Bugra Tekin , Eric Sauser , Bernt Schiele , Shugao Ma

Human activity recognition (HAR) in Internet of Things (IoT) environments must cope with heterogeneous sensor settings that vary across datasets, devices, body locations, sensing modalities, and channel compositions. This heterogeneity…

Machine Learning · Computer Science 2026-04-24 Tatsuhito Hasegawa