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Effective and Efficient spatio-temporal modeling is essential for action recognition. Existing methods suffer from the trade-off between model performance and model complexity. In this paper, we present a novel Spatio-Temporal Hybrid…

计算机视觉与模式识别 · 计算机科学 2020-03-19 Xu Li , Jingwen Wang , Lin Ma , Kaihao Zhang , Fengzong Lian , Zhanhui Kang , Jinjun Wang

Contemporary models for generating images show remarkable quality and versatility. Swayed by these advantages, the research community repurposes them to generate videos. Since video content is highly redundant, we argue that naively…

Detecting actions in untrimmed videos is an important yet challenging task. In this paper, we present the structured segment network (SSN), a novel framework which models the temporal structure of each action instance via a structured…

计算机视觉与模式识别 · 计算机科学 2017-09-19 Yue Zhao , Yuanjun Xiong , Limin Wang , Zhirong Wu , Xiaoou Tang , Dahua Lin

Controllable video generation has emerged as a versatile tool for autonomous driving, enabling realistic synthesis of traffic scenarios. However, existing methods depend on control signals at inference time to guide the generative model…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Mirlan Karimov , Teodora Spasojevic , Markus Braun , Julian Wiederer , Vasileios Belagiannis , Marc Pollefeys

Large language models, trained on extensive corpora, successfully unify diverse linguistic tasks within a single generative framework. Inspired by this, recent works like Large Vision Model (LVM) extend this paradigm to vision by organizing…

计算机视觉与模式识别 · 计算机科学 2025-09-29 Lan Chen , Yuchao Gu , Qi Mao

Video semantic segmentation(VSS) has been widely employed in lots of fields, such as simultaneous localization and mapping, autonomous driving and surveillance. Its core challenge is how to leverage temporal information to achieve better…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Zhigang Cen , Ningyan Guo , Wenjing Xu , Zhiyong Feng , Danlan Huang

Diffusion based video generation has received extensive attention and achieved considerable success within both the academic and industrial communities. However, current efforts are mainly concentrated on single-objective or single-task…

计算机视觉与模式识别 · 计算机科学 2024-01-18 Ludan Ruan , Lei Tian , Chuanwei Huang , Xu Zhang , Xinyan Xiao

Active speaker detection (ASD) seeks to detect who is speaking in a visual scene of one or more speakers. The successful ASD depends on accurate interpretation of short-term and long-term audio and visual information, as well as…

音频与语音处理 · 电气工程与系统科学 2021-07-27 Ruijie Tao , Zexu Pan , Rohan Kumar Das , Xinyuan Qian , Mike Zheng Shou , Haizhou Li

This paper addresses the temporal sentence grounding (TSG). Although existing methods have made decent achievements in this task, they not only severely rely on abundant video-query paired data for training, but also easily fail into the…

计算机视觉与模式识别 · 计算机科学 2023-05-09 Daizong Liu , Xiaoye Qu , Jianfeng Dong , Pan Zhou , Zichuan Xu , Haozhao Wang , Xing Di , Weining Lu , Yu Cheng

Research in deep learning models to forecast traffic intensities has gained great attention in recent years due to their capability to capture the complex spatio-temporal relationships within the traffic data. However, most state-of-the-art…

机器学习 · 计算机科学 2021-04-29 Amit Roy , Kashob Kumar Roy , Amin Ahsan Ali , M Ashraful Amin , A K M Mahbubur Rahman

The surging demand for high-definition video streaming services and large neural network models (e.g., Generative Pre-trained Transformer, GPT) implies a tremendous explosion of Internet traffic. To mitigate the traffic pressure,…

人工智能 · 计算机科学 2023-03-15 Jianhang Zhu , Rongpeng Li , Xianfu Chen , Shiwen Mao , Jianjun Wu , Zhifeng Zhao

Despite the notable advancements in numerous Transformer-based models, the task of long multi-horizon time series forecasting remains a persistent challenge, especially towards explainability. Focusing on commonly used saliency maps in…

机器学习 · 计算机科学 2023-09-18 Nghia Duong-Trung , Duc-Manh Nguyen , Danh Le-Phuoc

We present a motion-adaptive temporal attention mechanism for parameter-efficient video generation built upon frozen Stable Diffusion models. Rather than treating all video content uniformly, our method dynamically adjusts temporal…

计算机视觉与模式识别 · 计算机科学 2026-03-19 Rui Hong , Shuxue Quan

Recent advances in the Active Speaker Detection (ASD) problem build upon a two-stage process: feature extraction and spatio-temporal context aggregation. In this paper, we propose an end-to-end ASD workflow where feature learning and…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Juan Leon Alcazar , Moritz Cordes , Chen Zhao , Bernard Ghanem

Recent video semantic segmentation (VSS) methods have demonstrated promising results in well-lit environments. However, their performance significantly drops in low-light scenarios due to limited visibility and reduced contextual details.…

计算机视觉与模式识别 · 计算机科学 2026-01-29 Zhen Yao , Mooi Choo Chuah

We present a new model DrNET that learns disentangled image representations from video. Our approach leverages the temporal coherence of video and a novel adversarial loss to learn a representation that factorizes each frame into a…

机器学习 · 计算机科学 2024-03-15 Remi Denton , Vighnesh Birodkar

Temporal grounding of activities, the identification of specific time intervals of actions within a larger event context, is a critical task in video understanding. Recent advancements in multimodal large language models (LLMs) offer new…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Young Chol Song

Graph neural networks have shown to learn effective node representations, enabling node-, link-, and graph-level inference. Conventional graph networks assume static relations between nodes, while relations between entities in a video often…

计算机视觉与模式识别 · 计算机科学 2022-12-07 Osman Ülger , Julian Wiederer , Mohsen Ghafoorian , Vasileios Belagiannis , Pascal Mettes

We address the problem of temporal activity detection in continuous, untrimmed video streams. This is a difficult task that requires extracting meaningful spatio-temporal features to capture activities, accurately localizing the start and…

计算机视觉与模式识别 · 计算机科学 2019-06-07 Huijuan Xu , Abir Das , Kate Saenko

Video sequences contain rich dynamic patterns, such as dynamic texture patterns that exhibit stationarity in the temporal domain, and action patterns that are non-stationary in either spatial or temporal domain. We show that a…

机器学习 · 统计学 2017-05-31 Jianwen Xie , Song-Chun Zhu , Ying Nian Wu