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Existing text-to-video retrieval benchmarks are dominated by real-world footage where much of the semantics can be inferred from a single frame, leaving temporal reasoning and explicit end-state grounding under-evaluated. We introduce…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Minghan Li , Tongna Chen , Tianrui Lv , Yishuai Zhang , Suchao An , Guodong Zhou

This paper introduces TACTIC-GRAPHS, a system that combines spectral graph theory and multimodal graph neural reasoning for semantic understanding and threat detection in tactical video under high noise and weak structure. The framework…

计算机与社会 · 计算机科学 2025-07-30 Wei Meng

Trajectory generation and prediction are two interwoven tasks that play important roles in planner evaluation and decision making for intelligent vehicles. Most existing methods focus on one of the two and are optimized to directly output…

机器人学 · 计算机科学 2022-11-02 Ruochen Jiao , Xiangguo Liu , Bowen Zheng , Dave Liang , Qi Zhu

Discrete Diffusion Language Models have emerged as a compelling paradigm for unified multimodal generation, yet their deployment is hindered by high inference latency arising from iterative decoding. Existing acceleration strategies often…

计算机视觉与模式识别 · 计算机科学 2026-04-13 Chenglin Wang , Yucheng Zhou , Shawn Chen , Tao Wang , Kai Zhang

Video diffusion models have recently enabled high-quality video generation with ViT-based architectures, but remain computationally intensive because generation requires attention computation over long spatiotemporal sequences. Token…

计算机视觉与模式识别 · 计算机科学 2026-05-22 Sheng Li , Yang Sui , Junhao Ran , Bo Yuan , Yue Dai , Xulong Tang

Sequential recommendation aims to choose the most suitable items for a user at a specific timestamp given historical behaviors. Existing methods usually model the user behavior sequence based on the transition-based methods like Markov…

信息检索 · 计算机科学 2022-07-11 Zijian Li , Ruichu Cai , Fengzhu Wu , Sili Zhang , Hao Gu , Yuexing Hao , Yuguang

Emotionally talking head video generation aims to generate expressive portrait videos with accurate lip synchronization and emotional facial expressions. Current methods rely on simple emotional labels, leading to insufficient semantic…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Yahui Li , Yinfeng Yu , Liejun Wang , Shengjie Shen

Despite advancements in Text-to-Video (T2V) generation, producing videos with realistic motion remains challenging. Current models often yield static or minimally dynamic outputs, failing to capture complex motions described by text. This…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Penghui Ruan , Pichao Wang , Divya Saxena , Jiannong Cao , Yuhui Shi

Ensuring safety in autonomous driving (AD) remains a significant challenge, especially in highly dynamic and complex traffic environments where diverse agents interact and unexpected hazards frequently emerge. Traditional reinforcement…

机器人学 · 计算机科学 2025-10-14 Dong Hu , Fenqing Hu , Lidong Yang , Chao Huang

In this paper, we explore the visual representations produced from a pre-trained text-to-video (T2V) diffusion model for video understanding tasks. We hypothesize that the latent representation learned from a pretrained generative T2V model…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Zixin Zhu , Xuelu Feng , Dongdong Chen , Junsong Yuan , Chunming Qiao , Gang Hua

Understanding causal event relationships and achieving fine-grained temporal grounding in videos remain challenging for vision-language models. Existing methods either compress video tokens to reduce temporal resolution, or treat videos as…

Existing works have advanced Text-to-Image (TTI) diffusion models for video editing in a one-shot learning manner. Despite their low requirements of data and computation, these methods might produce results of unsatisfied consistency with…

计算机视觉与模式识别 · 计算机科学 2023-05-30 Zicheng Zhang , Bonan Li , Xuecheng Nie , Congying Han , Tiande Guo , Luoqi Liu

Temporal action detection (TAD) is an important yet challenging task in video understanding. It aims to simultaneously predict the semantic label and the temporal interval of every action instance in an untrimmed video. Rather than…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Xiaolong Liu , Song Bai , Xiang Bai

Tool use enables large language models to solve complex tasks through sequences of API calls, yet existing reinforcement learning approaches fail to scale to multi-step composition settings. Outcome-based rewards provide only sparse…

机器学习 · 计算机科学 2026-05-19 Anay Kulkarni , ChiaEn Lu , Dheeraj Mekala , Jayanth Srinivasa , Gaowen Liu , Jingbo Shang

Generative adversarial networks (GANs) have demonstrated impressive image generation quality and semantic editing capability of real images, e.g., changing object classes, modifying attributes, or transferring styles. However, applying…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Yiran Xu , Badour AlBahar , Jia-Bin Huang

Temporal action detection (TAD) is an important yet challenging task in video analysis. Most existing works draw inspiration from image object detection and tend to reformulate it as a proposal generation - classification problem. However,…

计算机视觉与模式识别 · 计算机科学 2022-03-04 Chen Zhao , Merey Ramazanova , Mengmeng Xu , Bernard Ghanem

Temporal relational reasoning, the ability to link meaningful transformations of objects or entities over time, is a fundamental property of intelligent species. In this paper, we introduce an effective and interpretable network module, the…

计算机视觉与模式识别 · 计算机科学 2018-07-26 Bolei Zhou , Alex Andonian , Aude Oliva , Antonio Torralba

Text-to-video (T2V) synthesis models, such as OpenAI's Sora, have garnered significant attention due to their ability to generate high-quality videos from a text prompt. In diffusion-based T2V models, the attention mechanism is a critical…

计算机视觉与模式识别 · 计算机科学 2025-04-18 Bingyan Liu , Chengyu Wang , Tongtong Su , Huan Ten , Jun Huang , Kailing Guo , Kui Jia

Event cameras action recognition (EAR) offers compelling privacy-protecting and efficiency advantages, where temporal motion dynamics is of great importance. Existing spatiotemporal multi-view representation learning (SMVRL) methods for…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Rui Fan , Weidong Hao

Temporal networks are increasingly being used to model the interactions of complex systems. Most studies require the temporal aggregation of edges (or events) into discrete time steps to perform analysis. In this article we describe a…

社会与信息网络 · 计算机科学 2017-10-16 Andrew Mellor