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相关论文: Temporal Context Network for Activity Localization…

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Point-level supervised temporal action localization (PTAL) aims at recognizing and localizing actions in untrimmed videos where only a single point (frame) within every action instance is annotated in training data. Without temporal…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Yuan Yin , Yifei Huang , Ryosuke Furuta , Yoichi Sato

Temporal action proposal generation is an important task, akin to object proposals, temporal action proposals are intended to capture "clips" or temporal intervals in videos that are likely to contain an action. Previous methods can be…

计算机视觉与模式识别 · 计算机科学 2018-07-20 Jiyang Gao , Kan Chen , Ram Nevatia

We introduce the concept of "dynamic image", a novel compact representation of videos useful for video analysis, particularly in combination with convolutional neural networks (CNNs). A dynamic image encodes temporal data such as RGB or…

计算机视觉与模式识别 · 计算机科学 2017-08-22 Hakan Bilen , Basura Fernando , Efstratios Gavves , Andrea Vedaldi

Effective extraction of temporal patterns is crucial for the recognition of temporally varying actions in video. We argue that the fixed-sized spatio-temporal convolution kernels used in convolutional neural networks (CNNs) can be improved…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Alexandros Stergiou , Ronald Poppe

Current state-of-the-art approaches for spatio-temporal action detection have achieved impressive results but remain unsatisfactory for temporal extent detection. The main reason comes from that, there are some ambiguous states similar to…

计算机视觉与模式识别 · 计算机科学 2019-06-03 Lin Song , Shiwei Zhang , Gang Yu , Hongbin Sun

Lifelong sequential modeling (LSM) is becoming increasingly critical in social media recommendation systems for predicting the click-through rate (CTR) of items presented to users. Central to this process is the attention mechanism, which…

信息检索 · 计算机科学 2025-04-14 Ting Guo , Zhaoyang Yang , Qinsong Zeng , Ming Chen

Temporal action localization is an important step towards video understanding. Most current action localization methods depend on untrimmed videos with full temporal annotations of action instances. However, it is expensive and…

计算机视觉与模式识别 · 计算机科学 2020-01-23 Ashraful Islam , Richard J. Radke

This technical report presents an overview of our solution used in the submission to ActivityNet Challenge 2019 Task 1 (\textbf{temporal action proposal generation}) and Task 2 (\textbf{temporal action localization/detection}). Temporal…

计算机视觉与模式识别 · 计算机科学 2019-07-30 Haisheng Su , Xu Zhao , Shuming Liu

We address the problem of language-based temporal localization in untrimmed videos. Compared to temporal localization with fixed categories, this problem is more challenging as the language-based queries not only have no pre-defined…

计算机视觉与模式识别 · 计算机科学 2018-11-26 Runzhou Ge , Jiyang Gao , Kan Chen , Ram Nevatia

In this paper, we newly introduce the concept of temporal attention filters, and describe how they can be used for human activity recognition from videos. Many high-level activities are often composed of multiple temporal parts (e.g.,…

计算机视觉与模式识别 · 计算机科学 2016-12-28 AJ Piergiovanni , Chenyou Fan , Michael S. Ryoo

The state-of-the-art performance for object detection has been significantly improved over the past two years. Besides the introduction of powerful deep neural networks such as GoogleNet and VGG, novel object detection frameworks such as…

计算机视觉与模式识别 · 计算机科学 2018-01-10 Kai Kang , Hongsheng Li , Junjie Yan , Xingyu Zeng , Bin Yang , Tong Xiao , Cong Zhang , Zhe Wang , Ruohui Wang , Xiaogang Wang , Wanli Ouyang

Understanding human actions in wild videos is an important task with a broad range of applications. In this paper we propose a novel approach named Hierarchical Attention Network (HAN), which enables to incorporate static spatial…

计算机视觉与模式识别 · 计算机科学 2016-07-22 Yilin Wang , Suhang Wang , Jiliang Tang , Neil O'Hare , Yi Chang , Baoxin Li

Human actions in video sequences are three-dimensional (3D) spatio-temporal signals characterizing both the visual appearance and motion dynamics of the involved humans and objects. Inspired by the success of convolutional neural networks…

计算机视觉与模式识别 · 计算机科学 2015-10-05 Lin Sun , Kui Jia , Dit-Yan Yeung , Bertram E. Shi

In this paper, a novel video classification method is presented that aims to recognize different categories of third-person videos efficiently. Our motivation is to achieve a light model that could be trained with insufficient training…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Ali Javidani , Ahmad Mahmoudi-Aznaveh

State-of-the-art temporal action detectors inefficiently search the entire video for specific actions. Despite the encouraging progress these methods achieve, it is crucial to design automated approaches that only explore parts of the video…

计算机视觉与模式识别 · 计算机科学 2018-07-30 Humam Alwassel , Fabian Caba Heilbron , Bernard Ghanem

Weakly-supervised temporal action localization (WTAL) in untrimmed videos has emerged as a practical but challenging task since only video-level labels are available. Existing approaches typically leverage off-the-shelf segment-level…

计算机视觉与模式识别 · 计算机科学 2021-12-22 Zichen Yang , Jie Qin , Di Huang

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

Localizing moments in untrimmed videos via language queries is a new and interesting task that requires the ability to accurately ground language into video. Previous works have approached this task by processing the entire video, often…

计算机视觉与模式识别 · 计算机科学 2020-08-19 Meera Hahn , Asim Kadav , James M. Rehg , Hans Peter Graf

We propose a novel scheme for human action recognition in videos, using a 3-dimensional Convolutional Neural Network (3D CNN) based classifier. Traditionally in deep learning based human activity recognition approaches, either a few random…

计算机视觉与模式识别 · 计算机科学 2020-02-10 S. H. Shabbeer Basha , Viswanath Pulabaigari , Snehasis Mukherjee

Numerous powerful point process models have been developed to understand temporal patterns in sequential data from fields such as health-care, electronic commerce, social networks, and natural disaster forecasting. In this paper, we develop…

计算机视觉与模式识别 · 计算机科学 2018-08-15 Yatao Zhong , Bicheng Xu , Guang-Tong Zhou , Luke Bornn , Greg Mori