English
Related papers

Related papers: Action Recognition with Deep Multiple Aggregation …

200 papers

Most popular deep models for action recognition in videos generate independent predictions for short clips, which are then pooled heuristically to assign an action label to the full video segment. As not all frames may characterize the…

Computer Vision and Pattern Recognition · Computer Science 2019-09-09 Jue Wang , Anoop Cherian

Recently, deep learning approach has achieved promising results in various fields of computer vision. In this paper, a new framework called Hierarchical Depth Motion Maps (HDMM) + 3 Channel Deep Convolutional Neural Networks (3ConvNets) is…

Computer Vision and Pattern Recognition · Computer Science 2015-01-21 Pichao Wang , Wanqing Li , Zhimin Gao , Jing Zhang , Chang Tang , Philip Ogunbona

In this work, we introduce a new video representation for action classification that aggregates local convolutional features across the entire spatio-temporal extent of the video. We do so by integrating state-of-the-art two-stream networks…

Computer Vision and Pattern Recognition · Computer Science 2017-04-11 Rohit Girdhar , Deva Ramanan , Abhinav Gupta , Josef Sivic , Bryan Russell

A number of recent studies have shown that a Deep Convolutional Neural Network (DCNN) pretrained on a large dataset can be adopted as a universal image description which leads to astounding performance in many visual classification tasks.…

Computer Vision and Pattern Recognition · Computer Science 2014-12-01 Lingqiao Liu , Chunhua Shen , Anton van den Hengel

The temporal action segmentation task segments videos temporally and predicts action labels for all frames. Fully supervising such a segmentation model requires dense frame-wise action annotations, which are expensive and tedious to…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Guodong Ding , Angela Yao

Pooling operations, which can be calculated at low cost and serve as a linear or nonlinear transfer function for data reduction, are found in almost every modern neural network. Countless modern approaches have already tackled replacing the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-19 Wolfgang Fuhl , Enkelejda Kasneci

Human action recognition (HAR) in videos has garnered widespread attention due to the rich information in RGB videos. Nevertheless, existing methods for extracting deep features from RGB videos face challenges such as information…

Computer Vision and Pattern Recognition · Computer Science 2025-12-04 Mengyuan Liu , Jinfu Liu , Yongkang Jiang , Bin He

Graph neural networks (GNN) have been proven to be mature enough for handling graph-structured data on node-level graph representation learning tasks. However, the graph pooling technique for learning expressive graph-level representation…

Machine Learning · Computer Science 2021-04-14 Ning Liu , Songlei Jian , Dongsheng Li , Yiming Zhang , Zhiquan Lai , Hongzuo Xu

We present a novel hierarchical model for human activity recognition. In contrast to approaches that successively recognize actions and activities, our approach jointly models actions and activities in a unified framework, and their labels…

Robotics · Computer Science 2015-03-09 Ninghang Hu , Gwenn Englebienne , Zhongyu Lou , Ben Kröse

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…

Computer Vision and Pattern Recognition · Computer Science 2016-07-22 Yilin Wang , Suhang Wang , Jiliang Tang , Neil O'Hare , Yi Chang , Baoxin Li

Deep neural networks have recently achieved competitive accuracy for human activity recognition. However, there is room for improvement, especially in modeling long-term temporal importance and determining the activity relevance of…

Computer Vision and Pattern Recognition · Computer Science 2018-08-23 Sibo Song , Ngai-Man Cheung , Vijay Chandrasekhar , Bappaditya Mandal

As compared to simple actions, activities are much more complex, but semantically consistent with a human's real life. Techniques for action recognition from sensor generated data are mature. However, there has been relatively little work…

Computer Vision and Pattern Recognition · Computer Science 2016-11-08 Ye Liu , Liqiang Nie , Lei Han , Luming Zhang , David S Rosenblum

From the frame/clip-level feature learning to the video-level representation building, deep learning methods in action recognition have developed rapidly in recent years. However, current methods suffer from the confusion caused by partial…

Computer Vision and Pattern Recognition · Computer Science 2018-04-24 Jiagang Zhu , Wei Zou , Zheng Zhu

Representations that can compactly and effectively capture temporal evolution of semantic content are important to machine learning algorithms that operate on multi-variate time-series data. We investigate such representations motivated by…

Computer Vision and Pattern Recognition · Computer Science 2017-05-25 Anoop Cherian , Suvrit Sra , Richard Hartley

This paper expands the strength of deep convolutional neural networks (CNNs) to the pedestrian attribute recognition problem by devising a novel attribute aware pooling algorithm. Existing vanilla CNNs cannot be straightforwardly applied to…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Kai Han , Yunhe Wang , Han Shu , Chuanjian Liu , Chunjing Xu , Chang Xu

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

Fully supervised action segmentation works on frame-wise action recognition with dense annotations and often suffers from the over-segmentation issue. Existing works have proposed a variety of solutions such as boundary-aware networks,…

Computer Vision and Pattern Recognition · Computer Science 2023-04-06 Peiyao Wang , Haibin Ling

Images captured nowadays are of varying dimensions with smartphones and DSLR's allowing users to choose from a list of available image resolutions. It is therefore imperative for forensic algorithms such as resampling detection to scale…

Computer Vision and Pattern Recognition · Computer Science 2020-04-29 Mohit Lamba , Kaushik Mitra

In this paper, we introduce a new hierarchical model for human action recognition using body joint locations. Our model can categorize complex actions in videos, and perform spatio-temporal annotations of the atomic actions that compose the…

Computer Vision and Pattern Recognition · Computer Science 2016-06-17 Ivan Lillo , Juan Carlos Niebles , Alvaro Soto

Human activities recognition is an important task for an intelligent robot, especially in the field of human-robot collaboration, it requires not only the label of sub-activities but also the temporal structure of the activity. In order to…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Hao Xing , Darius Burschka