中文
相关论文

相关论文: StNet: Local and Global Spatial-Temporal Modeling …

200 篇论文

Temporal convolution has been widely used for video classification. However, it is performed on spatio-temporal contexts in a limited view, which often weakens its capacity of learning video representation. To alleviate this problem, we…

计算机视觉与模式识别 · 计算机科学 2020-06-26 Xianhang Li , Yali Wang , Zhipeng Zhou , Yu Qiao

Spatio-temporal feature learning is of central importance for action recognition in videos. Existing deep neural network models either learn spatial and temporal features independently (C2D) or jointly with unconstrained parameters (C3D).…

计算机视觉与模式识别 · 计算机科学 2019-03-05 Chao Li , Qiaoyong Zhong , Di Xie , Shiliang Pu

Deep learning models have enjoyed great success for image related computer vision tasks like image classification and object detection. For video related tasks like human action recognition, however, the advancements are not as significant…

计算机视觉与模式识别 · 计算机科学 2018-09-12 Xiaolin Song , Cuiling Lan , Wenjun Zeng , Junliang Xing , Jingyu Yang , Xiaoyan Sun

This thesis focuses on video understanding for human action and interaction recognition. We start by identifying the main challenges related to action recognition from videos and review how they have been addressed by current methods. Based…

计算机视觉与模式识别 · 计算机科学 2021-10-06 Alexandros Stergiou

This paper presents a deep learning framework for medical video segmentation. Convolution neural network (CNN) and transformer-based methods have achieved great milestones in medical image segmentation tasks due to their incredible semantic…

计算机视觉与模式识别 · 计算机科学 2024-02-13 Chengxi Zeng , Xinyu Yang , David Smithard , Majid Mirmehdi , Alberto M Gambaruto , Tilo Burghardt

Recent applications of Convolutional Neural Networks (ConvNets) for human action recognition in videos have proposed different solutions for incorporating the appearance and motion information. We study a number of ways of fusing ConvNet…

计算机视觉与模式识别 · 计算机科学 2016-09-27 Christoph Feichtenhofer , Axel Pinz , Andrew Zisserman

Convolutional Neural Networks (CNN) have been regarded as a powerful class of models for visual recognition problems. Nevertheless, the convolutional filters in these networks are local operations while ignoring the large-range dependency.…

计算机视觉与模式识别 · 计算机科学 2019-06-14 Zhaofan Qiu , Ting Yao , Chong-Wah Ngo , Xinmei Tian , Tao Mei

In this paper we discuss several forms of spatiotemporal convolutions for video analysis and study their effects on action recognition. Our motivation stems from the observation that 2D CNNs applied to individual frames of the video have…

计算机视觉与模式识别 · 计算机科学 2018-04-13 Du Tran , Heng Wang , Lorenzo Torresani , Jamie Ray , Yann LeCun , Manohar Paluri

In this paper, we address the challenging problem of spatial and temporal action detection in videos. We first develop an effective approach to localize frame-level action regions through integrating static and kinematic information by the…

计算机视觉与模式识别 · 计算机科学 2018-11-30 Yuancheng Ye , Xiaodong Yang , Yingli Tian

Temporal modeling still remains challenging for action recognition in videos. To mitigate this issue, this paper presents a new video architecture, termed as Temporal Difference Network (TDN), with a focus on capturing multi-scale temporal…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Limin Wang , Zhan Tong , Bin Ji , Gangshan Wu

The ability to identify and temporally segment fine-grained human actions throughout a video is crucial for robotics, surveillance, education, and beyond. Typical approaches decouple this problem by first extracting local spatiotemporal…

计算机视觉与模式识别 · 计算机科学 2016-11-17 Colin Lea , Michael D. Flynn , Rene Vidal , Austin Reiter , Gregory D. Hager

Accurate spatio-temporal prediction is crucial for the sustainable development of smart cities. However, current approaches often struggle to capture important spatio-temporal relationships, particularly overlooking global relations among…

机器学习 · 计算机科学 2024-11-12 Ashutosh Sao , Simon Gottschalk

We propose a Spatiotemporal Sampling Network (STSN) that uses deformable convolutions across time for object detection in videos. Our STSN performs object detection in a video frame by learning to spatially sample features from the adjacent…

计算机视觉与模式识别 · 计算机科学 2018-07-25 Gedas Bertasius , Lorenzo Torresani , Jianbo Shi

This thesis explore different approaches using Convolutional and Recurrent Neural Networks to classify and temporally localize activities on videos, furthermore an implementation to achieve it has been proposed. As the first step, features…

计算机视觉与模式识别 · 计算机科学 2017-03-06 Alberto Montes , Amaia Salvador , Santiago Pascual , Xavier Giro-i-Nieto

There has been huge progress on video action recognition in recent years. However, many works focus on tweaking existing 2D backbones due to the reliance of ImageNet pretraining, which restrains the models from achieving higher efficiency…

计算机视觉与模式识别 · 计算机科学 2025-03-05 Zhe Wang , Xulei Yang

Currently, spatiotemporal features are embraced by most deep learning approaches for human action detection in videos, however, they neglect the important features in frequency domain. In this work, we propose an end-to-end network that…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Changhai Li , Huawei Chen , Jingqing Lu , Yang Huang , Yingying Liu

Convolutional neural networks with spatio-temporal 3D kernels (3D CNNs) have an ability to directly extract spatio-temporal features from videos for action recognition. Although the 3D kernels tend to overfit because of a large number of…

计算机视觉与模式识别 · 计算机科学 2017-08-28 Kensho Hara , Hirokatsu Kataoka , Yutaka Satoh

Spatiotemporal feature learning in videos is a fundamental problem in computer vision. This paper presents a new architecture, termed as Appearance-and-Relation Network (ARTNet), to learn video representation in an end-to-end manner.…

计算机视觉与模式识别 · 计算机科学 2018-05-08 Limin Wang , Wei Li , Wen Li , Luc Van Gool

Understanding actions and gestures in video streams requires temporal reasoning of the spatial content from different time instants, i.e., spatiotemporal (ST) modeling. In this survey paper, we have made a comparative analysis of different…

计算机视觉与模式识别 · 计算机科学 2021-01-12 Okan Köpüklü , Fabian Herzog , Gerhard Rigoll

We propose a new way of incorporating temporal information present in videos into Spatial Convolutional Neural Networks (ConvNets) trained on images, that avoids training Spatio-Temporal ConvNets from scratch. We describe several…

计算机视觉与模式识别 · 计算机科学 2015-03-26 Elman Mansimov , Nitish Srivastava , Ruslan Salakhutdinov