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The large amount of videos popping up every day, make it more and more critical that key information within videos can be extracted and understood in a very short time. Video summarization, the task of finding the smallest subset of frames,…

计算机视觉与模式识别 · 计算机科学 2019-09-17 Yujia Zhang , Michael Kampffmeyer , Xiaodan Liang , Dingwen Zhang , Min Tan , Eric P. Xing

To generate accurate videos, algorithms have to understand the spatial and temporal dependencies in the world. Current algorithms enable accurate predictions over short horizons but tend to suffer from temporal inconsistencies. When…

计算机视觉与模式识别 · 计算机科学 2023-06-02 Wilson Yan , Danijar Hafner , Stephen James , Pieter Abbeel

Unifying diverse image generation tasks within a single framework remains a fundamental challenge in visual generation. While large language models (LLMs) achieve unification through task-agnostic data and generation, existing visual…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Yijing Lin , Mengqi Huang , Shuhan Zhuang , Zhendong Mao

This paper addresses the problem of temporal sentence grounding (TSG), which aims to identify the temporal boundary of a specific segment from an untrimmed video by a sentence query. Previous works either compare pre-defined candidate…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Daizong Liu , Xiaoye Qu , Jianfeng Dong , Pan Zhou , Yu Cheng , Wei Wei , Zichuan Xu , Yulai Xie

Text-to-video diffusion models generate realistic videos, but often fail on prompts requiring fine-grained compositional understanding, such as relations between entities, attributes, actions, and motion directions. We hypothesize that…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Ariel Shaulov , Eitan Shaar , Amit Edenzon , Gal Chechik , Lior Wolf

Video Shadow Detection (VSD) aims to detect the shadow masks with frame sequence. Existing works suffer from inefficient temporal learning. Moreover, few works address the VSD problem by considering the characteristic (i.e., boundary) of…

计算机视觉与模式识别 · 计算机科学 2024-08-22 Haipeng Zhou , Honqiu Wang , Tian Ye , Zhaohu Xing , Jun Ma , Ping Li , Qiong Wang , Lei Zhu

Temporal action localization is an important task of computer vision. Though many methods have been proposed, it still remains an open question how to predict the temporal location of action segments precisely. Most state-of-the-art works…

计算机视觉与模式识别 · 计算机科学 2019-02-15 Ke Yang , Xiaolong Shen , Peng Qiao , Shijie Li , Dongsheng Li , Yong Dou

Recommender systems, crucial for user engagement on platforms like e-commerce and streaming services, often lag behind users' evolving preferences due to static data reliance. After Temporal Graph Networks (TGNs) were proposed, various…

人工智能 · 计算机科学 2024-12-24 Yejin Kim , Youngbin Lee , Vincent Yuan , Annika Lee , Yongjae Lee

Effectively tackling the problem of temporal action localization (TAL) necessitates a visual representation that jointly pursues two confounding goals, i.e., fine-grained discrimination for temporal localization and sufficient visual…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Zixin Zhu , Wei Tang , Le Wang , Nanning Zheng , Gang Hua

Anomalous crack region detection is a typical binary semantic segmentation task, which aims to detect pixels representing cracks on pavement surface images automatically by algorithms. Although existing deep learning-based methods have…

计算机视觉与模式识别 · 计算机科学 2024-03-11 Lei Xu , Moncef Gabbouj

Attempt to fully discover the temporal diversity and chronological characteristics for self-supervised video representation learning, this work takes advantage of the temporal dependencies within videos and further proposes a novel…

计算机视觉与模式识别 · 计算机科学 2021-03-18 Yang Liu , Keze Wang , Haoyuan Lan , Liang Lin

Decision Transformer (DT) shows promise for generative auto-bidding by capturing temporal dependencies, but suffers from two critical limitations: insufficient cross-correlation modeling among state, action, and return-to-go (RTG)…

机器学习 · 计算机科学 2026-01-30 Jinren Ding , Xuejian Xu , Shen Jiang , Zhitong Hao , Jinhui Yang , Peng Jiang

Human Activity Recognition using wearable inertial sensors is foundational to healthcare monitoring, fitness analytics, and context-aware computing, yet its deployment is hindered by cross-user variability arising from heterogeneous…

机器学习 · 计算机科学 2026-03-18 Xiaozhou Ye , Feng Jiang , Zihan Wang , Xiulai Wang , Yutao Zhang , Kevin I-Kai Wang

Counting repetitive actions in long untrimmed videos is a challenging task that has many applications such as rehabilitation. State-of-the-art methods predict action counts by first generating a temporal self-similarity matrix (TSM) from…

计算机视觉与模式识别 · 计算机科学 2024-07-15 Yanan Luo , Jinhui Yi , Yazan Abu Farha , Moritz Wolter , Juergen Gall

In the deep learning era, long video generation of high-quality still remains challenging due to the spatio-temporal complexity and continuity of videos. Existing prior works have attempted to model video distribution by representing videos…

计算机视觉与模式识别 · 计算机科学 2022-02-23 Sihyun Yu , Jihoon Tack , Sangwoo Mo , Hyunsu Kim , Junho Kim , Jung-Woo Ha , Jinwoo Shin

Dynamic contingency screening is a challenging task in dynamic security assessment, when traditional numerical approaches are computationally intensive and often not able to repeatedly solve full AC power flow for all possible contingencies…

系统与控制 · 电气工程与系统科学 2026-04-29 Quan Tran , Suresh S. Muknahallipatna , Dongliang Duan , Nga Nguyen

Action detection is an essential and challenging task, especially for densely labelled datasets of untrimmed videos. There are many real-world challenges in those datasets, such as composite action, co-occurring action, and high temporal…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Rui Dai , Srijan Das , Francois Bremond

Face detection is a widely studied problem over the past few decades. Recently, significant improvements have been achieved via the deep neural network, however, it is still challenging to directly apply these techniques to mobile devices…

计算机视觉与模式识别 · 计算机科学 2019-04-30 Heming Zhang , Xiaolong Wang , Jingwen Zhu , C. -C. Jay Kuo

Most existing text-to-image generation methods adopt a multi-stage modular architecture which has three significant problems: 1) Training multiple networks increases the run time and affects the convergence and stability of the generative…

计算机视觉与模式识别 · 计算机科学 2022-05-10 Zhenxing Zhang , Lambert Schomaker

In this paper, we propose Two-Stream AMTnet, which leverages recent advances in video-based action representation[1] and incremental action tube generation[2]. Majority of the present action detectors follow a frame-based representation, a…

计算机视觉与模式识别 · 计算机科学 2020-04-06 Suman Saha , Gurkirt Singh , Fabio Cuzzolin
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