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Spatio-temporal action detection is an important and challenging problem in video understanding. The existing action detection benchmarks are limited in aspects of small numbers of instances in a trimmed video or low-level atomic actions.…

计算机视觉与模式识别 · 计算机科学 2021-08-19 Yixuan Li , Lei Chen , Runyu He , Zhenzhi Wang , Gangshan Wu , Limin Wang

Objects that undergo non-rigid deformation are common in the real world. A typical and challenging example is the human faces. While various techniques have been developed for deformable shape registration and classification, benchmarks…

计算机视觉与模式识别 · 计算机科学 2018-07-11 Gareth Andrews , Sam Endean , Roberto Dyke , Yukun Lai , Gwenno Ffrancon , Gary KL Tam

We present Human Motions with Objects (HUMOTO), a high-fidelity dataset of human-object interactions for motion generation, computer vision, and robotics applications. Featuring 735 sequences (7,875 seconds at 30 fps), HUMOTO captures…

计算机视觉与模式识别 · 计算机科学 2025-10-16 Jiaxin Lu , Chun-Hao Paul Huang , Uttaran Bhattacharya , Qixing Huang , Yi Zhou

We introduce Drag4D, an interactive framework that integrates object motion control within text-driven 3D scene generation. This framework enables users to define 3D trajectories for the 3D objects generated from a single image, seamlessly…

计算机视觉与模式识别 · 计算机科学 2025-09-29 Minjun Kang , Inkyu Shin , Taeyeop Lee , In So Kweon , Kuk-Jin Yoon

Animals move in three dimensions (3D). Thus, 3D measurement is necessary to report the true kinematics of animal movement. Existing 3D measurement techniques draw on specialized hardware, such as motion capture or depth cameras, as well as…

神经元与认知 · 定量生物学 2021-12-06 Jesse D. Marshall , Tianqing Li , Joshua H. Wu , Timothy W. Dunn

Tracking objects that move within dynamic environments is a core challenge in robotics. Recent research has advanced this topic significantly; however, many existing approaches remain inefficient due to their reliance on heavy foundation…

Rapid development of social robots stimulates active research in human motion modeling, interpretation and prediction, proactive collision avoidance, human-robot interaction and co-habitation in shared spaces. Modern approaches to this end…

Since labeling medical image data is a costly and labor-intensive process, active learning has gained much popularity in the medical image segmentation domain in recent years. A variety of active learning strategies have been proposed in…

Every day, humans perform many closely related activities that involve subtle discriminative motions, such as putting on a shirt vs. putting on a jacket, or shaking hands vs. giving a high five. Activity recognition by ethical visual AI…

计算机视觉与模式识别 · 计算机科学 2022-10-21 Jeffrey Byrne , Greg Castanon , Zhongheng Li , Gil Ettinger

The growing popularity of remote fitness has increased the demand for highly accurate computer vision models that track human poses. However, the best methods still fail in many real-world fitness scenarios, suggesting that there is a…

计算机视觉与模式识别 · 计算机科学 2021-12-17 Andrew Weitz , Lina Colucci , Sidney Primas , Brinnae Bent

Synthesizing 3D human avatars interacting realistically with a scene is an important problem with applications in AR/VR, video games and robotics. Towards this goal, we address the task of generating a virtual human -- hands and full body…

机器人学 · 计算机科学 2023-03-30 Purva Tendulkar , Dídac Surís , Carl Vondrick

Acquisition and creation of 3D assets have been largely view- or appearance-driven. As a result, existing digital 3D models often lack the requisite structural components to function as intended, such as joints, supports, interiors, or…

Analyzing Fast, Frequent, and Fine-grained (F$^3$) events presents a significant challenge in video analytics and multi-modal LLMs. Current methods struggle to identify events that satisfy all the F$^3$ criteria with high accuracy due to…

计算机视觉与模式识别 · 计算机科学 2025-04-16 Zhaoyu Liu , Kan Jiang , Murong Ma , Zhe Hou , Yun Lin , Jin Song Dong

This paper introduces a new challenge and datasets to foster research toward designing systems that can understand medical videos and provide visual answers to natural language questions. We believe medical videos may provide the best…

计算机视觉与模式识别 · 计算机科学 2022-02-01 Deepak Gupta , Kush Attal , Dina Demner-Fushman

We describe an approach to predict open-vocabulary 3D semantic voxel occupancy map from input 2D images with the objective of enabling 3D grounding, segmentation and retrieval of free-form language queries. This is a challenging problem…

计算机视觉与模式识别 · 计算机科学 2024-01-18 Antonin Vobecky , Oriane Siméoni , David Hurych , Spyros Gidaris , Andrei Bursuc , Patrick Pérez , Josef Sivic

We introduce SigmaCollab, a dataset enabling research on physically situated human-AI collaboration. The dataset consists of a set of 85 sessions in which untrained participants were guided by a mixed-reality assistive AI agent in…

人机交互 · 计算机科学 2025-11-05 Dan Bohus , Sean Andrist , Ann Paradiso , Nick Saw , Tim Schoonbeek , Maia Stiber

We present SignAvatars, the first large-scale, multi-prompt 3D sign language (SL) motion dataset designed to bridge the communication gap for Deaf and hard-of-hearing individuals. While there has been an exponentially growing number of…

计算机视觉与模式识别 · 计算机科学 2024-07-03 Zhengdi Yu , Shaoli Huang , Yongkang Cheng , Tolga Birdal

Medical Visual Question Answering (Med-VQA) holds significant potential for clinical decision support, yet existing efforts primarily focus on 2D imaging with limited task diversity. This paper presents 3D-RAD, a large-scale dataset…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Xiaotang Gai , Jiaxiang Liu , Yichen Li , Zijie Meng , Jian Wu , Zuozhu Liu

The existing Motion Imitation models typically require expert data obtained through MoCap devices, but the vast amount of training data needed is difficult to acquire, necessitating substantial investments of financial resources, manpower,…

机器人学 · 计算机科学 2024-05-03 Liu Qiyuan

Vision-language models have shown impressive progress in recent years. However, existing models are largely limited to turn-based interactions, where each turn must be stepped (i.e., prompted) by the user. Open-ended, asynchronous…