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Related papers: Dynamic Sampling Networks for Efficient Action Rec…

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Deep convolutional networks have recently achieved great success in video recognition, yet their practical realization remains a challenge due to the large amount of computational resources required to achieve robust recognition. Motivated…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Ximeng Sun , Rameswar Panda , Chun-Fu Chen , Aude Oliva , Rogerio Feris , Kate Saenko

The video and action classification have extremely evolved by deep neural networks specially with two stream CNN using RGB and optical flow as inputs and they present outstanding performance in terms of video analysis. One of the…

Computer Vision and Pattern Recognition · Computer Science 2016-09-05 Ali Diba , Ali Mohammad Pazandeh , Luc Van Gool

The task of classifying videos of natural dynamic scenes into appropriate classes has gained lot of attention in recent years. The problem especially becomes challenging when the camera used to capture the video is dynamic. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2015-09-01 Aalok Gangopadhyay , Shivam Mani Tripathi , Ishan Jindal , Shanmuganathan Raman

The recognition of actions from video sequences has many applications in health monitoring, assisted living, surveillance, and smart homes. Despite advances in sensing, in particular related to 3D video, the methodologies to process the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-03 Rui Zhao , Haider Ali , Patrick van der Smagt

Convolutional neural networks (CNNs) have been extensively applied for image recognition problems giving state-of-the-art results on recognition, detection, segmentation and retrieval. In this work we propose and evaluate several deep…

Computer Vision and Pattern Recognition · Computer Science 2015-04-14 Joe Yue-Hei Ng , Matthew Hausknecht , Sudheendra Vijayanarasimhan , Oriol Vinyals , Rajat Monga , George Toderici

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…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Limin Wang , Zhan Tong , Bin Ji , Gangshan Wu

Many techniques have been developed, such as model compression, to make Deep Neural Networks (DNNs) inference more efficiently. Nevertheless, DNNs still lack excellent run-time dynamic inference capability to enable users trade-off accuracy…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Li Yang , Zhezhi He , Yu Cao , Deliang Fan

In this paper, we are interested in self-supervised learning the motion cues in videos using dynamic motion filters for a better motion representation to finally boost human action recognition in particular. Thus far, the vision community…

Computer Vision and Pattern Recognition · Computer Science 2019-04-26 Ali Diba , Vivek Sharma , Luc Van Gool , Rainer Stiefelhagen

In many sports, it is useful to analyse video of an athlete in competition for training purposes. In swimming, stroke rate is a common metric used by coaches; requiring a laborious labelling of each individual stroke. We show that using a…

Computer Vision and Pattern Recognition · Computer Science 2017-05-30 Brandon Victor , Zhen He , Stuart Morgan , Dino Miniutti

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…

Computer Vision and Pattern Recognition · Computer Science 2019-02-15 Ke Yang , Xiaolong Shen , Peng Qiao , Shijie Li , Dongsheng Li , Yong Dou

Human activity recognition is one of the most important tasks in computer vision and has proved useful in different fields such as healthcare, sports training and security. There are a number of approaches that have been explored to solve…

Computer Vision and Pattern Recognition · Computer Science 2023-05-01 Sheryl Mathew , Annapoorani Subramanian , Pooja , Balamurugan MS , Manoj Kumar Rajagopal

Video action recognition (VAR) is a primary task of video understanding, and untrimmed videos are more common in real-life scenes. Untrimmed videos have redundant and diverse clips containing contextual information, so sampling dense clips…

Computer Vision and Pattern Recognition · Computer Science 2021-04-22 Yunyan Hong , Ailing Zeng , Min Li , Cewu Lu , Li Jiang , Qiang Xu

Dynamic imaging is a recently proposed action description paradigm for simultaneously capturing motion and temporal evolution information, particularly in the context of deep convolutional neural networks (CNNs). Compared with optical flow…

Computer Vision and Pattern Recognition · Computer Science 2018-12-31 Yang Xiao , Jun Chen , Yancheng Wang , Zhiguo Cao , Joey Tianyi Zhou , Xiang Bai

We propose a novel application of Transfer Learning to classify video-frame sequences over multiple classes. This is a pre-weighted model that does not require to train a fresh CNN. This representation is achieved with the advent of "deep…

Computer Vision and Pattern Recognition · Computer Science 2020-04-30 Mohammadhossein Toutiaee , Abbas Keshavarzi , Abolfazl Farahani , John A. Miller

Video content classification is an important research content in computer vision, which is widely used in many fields, such as image and video retrieval, computer vision. This paper presents a model that is a combination of Convolutional…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Pradyumn Patil , Vishwajeet Pawar , Yashraj Pawar , Shruti Pisal

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…

Computer Vision and Pattern Recognition · Computer Science 2018-07-25 Gedas Bertasius , Lorenzo Torresani , Jianbo Shi

Motivated by the success of data-driven convolutional neural networks (CNNs) in object recognition on static images, researchers are working hard towards developing CNN equivalents for learning video features. However, learning video…

Computer Vision and Pattern Recognition · Computer Science 2015-05-19 Zhenzhong Lan , Dezhong Yao , Ming Lin , Shoou-I Yu , Alexander Hauptmann

Efficiently modeling spatial-temporal information in videos is crucial for action recognition. To achieve this goal, state-of-the-art methods typically employ the convolution operator and the dense interaction modules such as non-local…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Yuan Tian , Yichao Yan , Guangtao Zhai , Guodong Guo , Zhiyong Gao

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…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 Colin Lea , Michael D. Flynn , Rene Vidal , Austin Reiter , Gregory D. Hager

Deep neural network is an effective choice to automatically recognize human actions utilizing data from various wearable sensors. These networks automate the process of feature extraction relying completely on data. However, various noises…

Signal Processing · Electrical Eng. & Systems 2021-01-05 Tanvir Mahmud , A. Q. M. Sazzad Sayyed , Shaikh Anowarul Fattah , Sun-Yuan Kung