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Related papers: Fine-grained Action Analysis: A Multi-modality and…

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Single modality action recognition on RGB or depth sequences has been extensively explored recently. It is generally accepted that each of these two modalities has different strengths and limitations for the task of action recognition.…

Computer Vision and Pattern Recognition · Computer Science 2016-12-28 Amir Shahroudy , Tian-Tsong Ng , Yihong Gong , Gang Wang

We address the problem of fine-grained action localization from temporally untrimmed web videos. We assume that only weak video-level annotations are available for training. The goal is to use these weak labels to identify temporal segments…

Computer Vision and Pattern Recognition · Computer Science 2015-08-05 Chen Sun , Sanketh Shetty , Rahul Sukthankar , Ram Nevatia

Despite the fact that many 3D human activity benchmarks being proposed, most existing action datasets focus on the action recognition tasks for the segmented videos. There is a lack of standard large-scale benchmarks, especially for current…

Computer Vision and Pattern Recognition · Computer Science 2017-03-29 Chunhui Liu , Yueyu Hu , Yanghao Li , Sijie Song , Jiaying Liu

Action recognition has received increasing attention from the computer vision and machine learning communities in the last decade. To enable the study of this problem, there exist a vast number of action datasets, which are recorded under…

Computer Vision and Pattern Recognition · Computer Science 2017-05-08 Wenhui Li , Yongkang Wong , An-An Liu , Yang Li , Yu-Ting Su , Mohan Kankanhalli

Fine-grained action recognition is attracting increasing attention due to the emerging demand of specific action understanding in real-world applications, whereas the data of rare fine-grained categories is very limited. Therefore, we…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Jiahao Wang , Yunhong Wang , Sheng Liu , Annan Li

In this work, we address a challenging problem of fine-grained and coarse-grained recognition of object manipulation actions. Due to the variations in geometrical and motion constraints, there are different manipulations actions possible to…

Computer Vision and Pattern Recognition · Computer Science 2018-06-21 Kartik Gupta , Darius Burschka , Arnav Bhavsar

This chapter aims to aid the development of Cyber-Physical Systems (CPS) in automated understanding of events and activities in various applications of video-surveillance. These events are mostly captured by drones, CCTVs or novice and…

Computer Vision and Pattern Recognition · Computer Science 2021-11-04 Swarnabja Bhaumik , Prithwish Jana , Partha Pratim Mohanta

Advancements in deep neural networks have contributed to near perfect results for many computer vision problems such as object recognition, face recognition and pose estimation. However, human action recognition is still far from…

Computer Vision and Pattern Recognition · Computer Science 2021-10-11 Asanka G. Perera , Yee Wei Law , Titilayo T. Ogunwa , Javaan Chahl

Our world is full of varied actions and moves across specialized domains that we, as humans, strive to identify and understand. Within any single domain, actions can often appear quite similar, making it challenging for deep models to…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Mohammadreza Salehi , Jae Sung Park , Tanush Yadav , Aditya Kusupati , Ranjay Krishna , Yejin Choi , Hannaneh Hajishirzi , Ali Farhadi

Human action recognition has been widely used in many fields of life, and many human action datasets have been published at the same time. However, most of the multi-modal databases have some shortcomings in the layout and number of…

Computer Vision and Pattern Recognition · Computer Science 2022-02-08 Xin Chao , Zhenjie Hou , Yujian Mo

This paper targets at learning to score the figure skating sports videos. To address this task, we propose a deep architecture that includes two complementary components, i.e., Self-Attentive LSTM and Multi-scale Convolutional Skip LSTM.…

Multimedia · Computer Science 2018-07-31 Chengming Xu , Yanwei Fu , Bing Zhang , Zitian Chen , Yu-Gang Jiang , Xiangyang Xue

Action recognition from multi-modal and multi-view observations holds significant potential for applications in surveillance, robotics, and smart environments. However, existing methods often fall short of addressing real-world challenges…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Trung Thanh Nguyen , Yasutomo Kawanishi , Vijay John , Takahiro Komamizu , Ichiro Ide

This paper presents the first-rank solution for the Multi-Modal Action Recognition Challenge, part of the Multi-Modal Visual Pattern Recognition Workshop at the \acl{ICPR} 2024. The competition aimed to recognize human actions using a…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Anh-Kiet Duong , Petra Gomez-Krämer

Online action recognition is an important task for human centered intelligent services, which is still difficult to achieve due to the varieties and uncertainties of spatial and temporal scales of human actions. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2020-11-04 Guoliang Liu , Qinghui Zhang , Yichao Cao , Junwei Li , Hao Wu , Guohui Tian

Despite excellent progress has been made, the performance on action recognition still heavily relies on specific datasets, which are difficult to extend new action classes due to labor-intensive labeling. Moreover, the high diversity in…

Computer Vision and Pattern Recognition · Computer Science 2020-11-18 Xiaoyuan Ni , Sizhe Song , Yu-Wing Tai , Chi-Keung Tang

In recent years, deep neural network approaches have naturally extended to the video domain, in their simplest case by aggregating per-frame classifications as a baseline for action recognition. A majority of the work in this area extends…

Computer Vision and Pattern Recognition · Computer Science 2018-01-24 Daniel Castro , Steven Hickson , Patsorn Sangkloy , Bhavishya Mittal , Sean Dai , James Hays , Irfan Essa

Gait recognition is a biometric technology that has received extensive attention. Most existing gait recognition algorithms are unimodal, and a few multimodal gait recognition algorithms perform multimodal fusion only once. None of these…

Computer Vision and Pattern Recognition · Computer Science 2023-12-25 Shinan Zou , Jianbo Xiong , Chao Fan , Shiqi Yu , Jin Tang

In this paper, we tackle the problem of action recognition using body skeletons extracted from video sequences. Our approach lies in the continuity of recent works representing video frames by Gramian matrices that describe a trajectory on…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Benjamin Szczapa , Mohamed Daoudi , Stefano Berretti , Alberto Del Bimbo , Pietro Pala , Estelle Massart

Current video models fail as world model as they lack fine-graiend control. General-purpose household robots require real-time fine motor control to handle delicate tasks and urgent situations. In this work, we introduce fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Yichen Li , Antonio Torralba

Moments capture a huge part of our lives. Accurate recognition of these moments is challenging due to the diverse and complex interpretation of the moments. Action recognition refers to the act of classifying the desired action/activity…

Computer Vision and Pattern Recognition · Computer Science 2018-09-14 Ankit Shah , Harini Kesavamoorthy , Poorva Rane , Pramati Kalwad , Alexander Hauptmann , Florian Metze