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相关论文: Dual-Stream Alignment for Action Segmentation

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Deep convolutional networks have achieved great success for object recognition in still images. However, for action recognition in videos, the improvement of deep convolutional networks is not so evident. We argue that there are two reasons…

计算机视觉与模式识别 · 计算机科学 2015-07-09 Limin Wang , Yuanjun Xiong , Zhe Wang , Yu Qiao

Action detection and recognition tasks have been the target of much focus in the computer vision community due to their many applications, namely, security, robotics and recommendation systems. Recently, datasets like AVA, provide…

计算机视觉与模式识别 · 计算机科学 2019-07-31 João Antunes , Pedro Abreu , Alexandre Bernardino , Asim Smailagic , Daniel Siewiorek

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

Video segmentation aims at partitioning video sequences into meaningful segments based on objects or regions of interest within frames. Current video segmentation models are often derived from image segmentation techniques, which struggle…

计算机视觉与模式识别 · 计算机科学 2024-08-21 Chen Liang , Qiang Guo , Xiaochao Qu , Luoqi Liu , Ting Liu

Two-stream architecture have shown strong performance in video classification task. The key idea is to learn spatio-temporal features by fusing convolutional networks spatially and temporally. However, there are some problems within such…

计算机视觉与模式识别 · 计算机科学 2019-03-07 De Xie , Cheng Deng , Hao Wang , Chao Li , Dapeng Tao

This paper focuses on task recognition and action segmentation in weakly-labeled instructional videos, where only the ordered sequence of video-level actions is available during training. We propose a two-stream framework, which exploits…

计算机视觉与模式识别 · 计算机科学 2021-10-13 Reza Ghoddoosian , Saif Sayed , Vassilis Athitsos

Fusing multi-modality information is known to be able to effectively bring significant improvement in video classification. However, the most popular method up to now is still simply fusing each stream's prediction scores at the last stage.…

计算机视觉与模式识别 · 计算机科学 2019-08-02 Lu Chi , Guiyu Tian , Yadong Mu , Qi Tian

Video classification is highly important with wide applications, such as video search and intelligent surveillance. Video naturally consists of static and motion information, which can be represented by frame and optical flow. Recently,…

计算机视觉与模式识别 · 计算机科学 2017-11-10 Yuxin Peng , Yunzhen Zhao , Junchao Zhang

At present, deep neural network methods have played a dominant role in face alignment field. However, they generally use predefined network structures to predict landmarks, which tends to learn general features and leads to mediocre…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Jun Wan , He Liu , Yujia Wu , Zhihui Lai , Wenwen Min , Jun Liu

In this paper, we focus on exploring effective methods for faster and accurate semantic segmentation. A common practice to improve the performance is to attain high-resolution feature maps with strong semantic representation. Two strategies…

计算机视觉与模式识别 · 计算机科学 2023-08-09 Xiangtai Li , Jiangning Zhang , Yibo Yang , Guangliang Cheng , Kuiyuan Yang , Yunhai Tong , Dacheng Tao

Both visual and auditory information are valuable to determine the salient regions in videos. Deep convolution neural networks (CNN) showcase strong capacity in coping with the audio-visual saliency prediction task. Due to various factors…

计算机视觉与模式识别 · 计算机科学 2022-08-17 Yingzi Fan , Longfei Han , Yue Zhang , Lechao Cheng , Chen Xia , Di Hu

This paper proposes an end-to-end trainable network, SegFlow, for simultaneously predicting pixel-wise object segmentation and optical flow in videos. The proposed SegFlow has two branches where useful information of object segmentation and…

计算机视觉与模式识别 · 计算机科学 2017-09-21 Jingchun Cheng , Yi-Hsuan Tsai , Shengjin Wang , Ming-Hsuan Yang

This paper addresses unsupervised action segmentation. Prior work captures the frame-level temporal structure of videos by a feature embedding that encodes time locations of frames in the video. We advance prior work with a new…

计算机视觉与模式识别 · 计算机科学 2021-04-07 Jun Li , Sinisa Todorovic

Image segmentation is a historic and significant computer vision task. With the help of deep learning techniques, image semantic segmentation has made great progresses. Over recent years, based on guidance of attention mechanism compared…

计算机视觉与模式识别 · 计算机科学 2022-10-12 Dongwei Sun , Zhuolin Gao

In recent years, video semantic segmentation has made great progress with advanced deep neural networks. However, there still exist two main challenges \ie, information inconsistency and computation cost. To deal with the two difficulties,…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Jinming Su , Ruihong Yin , Shuaibin Zhang , Junfeng Luo

The goal of this paper is to detect the spatio-temporal extent of an action. The two-stream detection network based on RGB and flow provides state-of-the-art accuracy at the expense of a large model-size and heavy computation. We propose to…

计算机视觉与模式识别 · 计算机科学 2019-06-12 Jiaojiao Zhao , Cees G. M. Snoek

Motion representation plays an important role in video understanding and has many applications including action recognition, robot and autonomous guidance or others. Lately, transformer networks, through their self-attention mechanism…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Nattapong Kurpukdee , Adrian G. Bors

Semantic segmentation of building facade is significant in various applications, such as urban building reconstruction and damage assessment. As there is a lack of 3D point clouds datasets related to the fine-grained building facade, we…

计算机视觉与模式识别 · 计算机科学 2021-06-02 Yanfei Su , Weiquan Liu , Zhimin Yuan , Ming Cheng , Zhihong Zhang , Xuelun Shen , Cheng Wang

Ultrasound imaging is a prevalent diagnostic tool known for its simplicity and non-invasiveness. However, its inherent characteristics often introduce substantial noise, posing considerable challenges for automated lesion or organ…

计算机视觉与模式识别 · 计算机科学 2025-07-11 Ling Zhou , Runtian Yuan , Yi Liu , Yuejie Zhang , Rui Feng , Shang Gao

Spatio-temporal action localization consists of three levels of tasks: spatial localization, action classification, and temporal localization. In this work, we propose a new progressive cross-stream cooperation (PCSC) framework that…

计算机视觉与模式识别 · 计算机科学 2025-06-25 Rui Su , Dong Xu , Luping Zhou , Wanli Ouyang