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In this paper, we address a challenging task, synchronous motion captioning, that aim to generate a language description synchronized with human motion sequences. This task pertains to numerous applications, such as aligned sign language…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Karim Radouane , Sylvie Ranwez , Julien Lagarde , Andon Tchechmedjiev

Despite the recent success of deep learning in the field of medicine, the issue of data scarcity is exacerbated by concerns about privacy and data ownership. Distributed learning approaches, including federated learning, have been…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Sangjoon Park , Ik-Jae Lee , Jun Won Kim , Jong Chul Ye

Temporally locating and classifying action segments in long untrimmed videos is of particular interest to many applications like surveillance and robotics. While traditional approaches follow a two-step pipeline, by generating frame-wise…

计算机视觉与模式识别 · 计算机科学 2019-04-03 Yazan Abu Farha , Juergen Gall

In this paper, we introduce ASTRA, a Transformer-based model designed for the task of Action Spotting in soccer matches. ASTRA addresses several challenges inherent in the task and dataset, including the requirement for precise action…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Artur Xarles , Sergio Escalera , Thomas B. Moeslund , Albert Clapés

Resource-constrained perception systems such as edge computing and vision-for-robotics require vision models to be both accurate and lightweight in computation and memory usage. While knowledge distillation is a proven strategy to enhance…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Shengcao Cao , Mengtian Li , James Hays , Deva Ramanan , Yi-Xiong Wang , Liang-Yan Gui

Robotic manipulation requires anticipating how the environment evolves in response to actions, yet most existing systems lack this predictive capability, often resulting in errors and inefficiency. While Vision-Language Models (VLMs)…

机器人学 · 计算机科学 2026-02-12 Songen Gu , Yunuo Cai , Tianyu Wang , Simo Wu , Yanwei Fu

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…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Fangqiu Yi , Hongyu Wen , Tingting Jiang

Transformer-based methods have recently achieved great advancement on 2D image-based vision tasks. For 3D video-based tasks such as action recognition, however, directly applying spatiotemporal transformers on video data will bring heavy…

计算机视觉与模式识别 · 计算机科学 2022-07-28 Wangmeng Xiang , Chao Li , Biao Wang , Xihan Wei , Xian-Sheng Hua , Lei Zhang

Many real-world applications such as robotics provide hard constraints on power and compute that limit the viable model complexity of Reinforcement Learning (RL) agents. Similarly, in many distributed RL settings, acting is done on…

机器学习 · 计算机科学 2021-04-06 Emilio Parisotto , Ruslan Salakhutdinov

In learning action recognition, models are typically pre-trained on object recognition with images, such as ImageNet, and later fine-tuned on target action recognition with videos. This approach has achieved good empirical performance…

计算机视觉与模式识别 · 计算机科学 2021-12-15 Bowen Zhang , Jiahui Yu , Christopher Fifty , Wei Han , Andrew M. Dai , Ruoming Pang , Fei Sha

We propose a method to learn explicit, class-conditioned spatial priors for object placement in natural scenes by distilling the implicit placement knowledge encoded in text-conditioned diffusion models. Prior work relies either on manually…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Marco Schouten , Ioannis Siglidis , Serge Belongie , Dim P. Papadopoulos

We propose a novel knowledge distillation framework for effectively teaching a sensorimotor student agent to drive from the supervision of a privileged teacher agent. Current distillation for sensorimotor agents methods tend to result in…

计算机视觉与模式识别 · 计算机科学 2023-06-19 Jimuyang Zhang , Zanming Huang , Eshed Ohn-Bar

To realize human-robot collaboration, robots need to execute actions for new tasks according to human instructions given finite prior knowledge. Human experts can share their knowledge of how to perform a task with a robot through…

Skeleton-based action recognition is vital for comprehending human-centric videos and has applications in diverse domains. One of the challenges of skeleton-based action recognition is dealing with low-quality data, such as skeletons that…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Cuiwei Liu , Youzhi Jiang , Chong Du , Zhaokui Li

Video object segmentation is a fundamental research problem in computer vision. Recent techniques have often applied attention mechanism to object representation learning from video sequences. However, due to temporal changes in the video…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Quang-Trung Truong , Duc Thanh Nguyen , Binh-Son Hua , Sai-Kit Yeung

The goal of this work is spatio-temporal action localization in videos, using only the supervision from video-level class labels. The state-of-the-art casts this weakly-supervised action localization regime as a Multiple Instance Learning…

计算机视觉与模式识别 · 计算机科学 2018-11-26 Pascal Mettes , Cees G. M. Snoek

Point-supervised Temporal Action Localization (PTAL) adopts a lightly frame-annotated paradigm (\textit{i.e.}, labeling only a single frame per action instance) to train a model to effectively locate action instances within untrimmed…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Yunchuan Ma , Laiyun Qing , Guorong Li , Yuqing Liu , Yuankai Qi , Qingming Huang

This paper identifies significant redundancy in the query-key interactions within self-attention mechanisms of diffusion transformer models, particularly during the early stages of denoising diffusion steps. In response to this observation,…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Yifan Pu , Zhuofan Xia , Jiayi Guo , Dongchen Han , Qixiu Li , Duo Li , Yuhui Yuan , Ji Li , Yizeng Han , Shiji Song , Gao Huang , Xiu Li

In recent years, Embodied Artificial Intelligence (Embodied AI) has advanced rapidly, yet the increasing size of models conflicts with the limited computational capabilities of Embodied AI platforms. To address this challenge, we aim to…

计算机视觉与模式识别 · 计算机科学 2024-09-30 Junyou Zhu , Yanyuan Qiao , Siqi Zhang , Xingjian He , Qi Wu , Jing Liu

Self-supervised vision-and-language pretraining (VLP) aims to learn transferable multi-modal representations from large-scale image-text data and to achieve strong performances on a broad scope of vision-language tasks after finetuning.…

计算机视觉与模式识别 · 计算机科学 2022-08-09 Yongfei Liu , Chenfei Wu , Shao-yen Tseng , Vasudev Lal , Xuming He , Nan Duan