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Related papers: Multi-Granularity Hand Action Detection

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An automatic gun detection system can detect potential gun-related violence at an early stage that is of paramount importance for citizens security. In the whole system, object detection algorithm is the key to perceive the environment so…

Computer Vision and Pattern Recognition · Computer Science 2022-03-09 Yongxiang Gu , Xingbin Liao , Xiaolin Qin

Actionness was introduced to quantify the likelihood of containing a generic action instance at a specific location. Accurate and efficient estimation of actionness is important in video analysis and may benefit other relevant tasks such as…

Computer Vision and Pattern Recognition · Computer Science 2016-04-26 Limin Wang , Yu Qiao , Xiaoou Tang , Luc Van Gool

Human Action Recognition (HAR) aims to understand human behavior and assign a label to each action. It has a wide range of applications, and therefore has been attracting increasing attention in the field of computer vision. Human actions…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Zehua Sun , Qiuhong Ke , Hossein Rahmani , Mohammed Bennamoun , Gang Wang , Jun Liu

Zero-shot action recognition (ZSAR) aims to learn an alignment model between videos and class descriptions of seen actions that is transferable to unseen actions. The text queries (class descriptions) used in existing ZSAR works, however,…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Jiaming Zhou , Junwei Liang , Kun-Yu Lin , Jinrui Yang , Wei-Shi Zheng

Contrastive Language-Image Pre-training (CLIP) excels in multimodal tasks such as image-text retrieval and zero-shot classification but struggles with fine-grained understanding due to its focus on coarse-grained short captions. To address…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Chunyu Xie , Bin Wang , Fanjing Kong , Jincheng Li , Dawei Liang , Gengshen Zhang , Dawei Leng , Yuhui Yin

Automatic detection of individual intake gestures during eating occasions has the potential to improve dietary monitoring and support dietary recommendations. Existing studies typically make use of on-body solutions such as inertial and…

Computer Vision and Pattern Recognition · Computer Science 2019-09-25 Philipp V. Rouast , Marc T. P. Adam

In this paper, we present MM-Gesture, the solution developed by our team HFUT-VUT, which ranked 1st in the micro-gesture classification track of the 3rd MiGA Challenge at IJCAI 2025, achieving superior performance compared to previous…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Jihao Gu , Fei Wang , Kun Li , Yanyan Wei , Zhiliang Wu , Dan Guo

In this paper, we introduce the latest solution developed by our team, HFUT-VUT, for the Micro-gesture Online Recognition track of the IJCAI 2025 MiGA Challenge. The Micro-gesture Online Recognition task is a highly challenging problem that…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Pengyu Liu , Kun Li , Fei Wang , Yanyan Wei , Junhui She , Dan Guo

Multimodal fusion frameworks for Human Action Recognition (HAR) using depth and inertial sensor data have been proposed over the years. In most of the existing works, fusion is performed at a single level (feature level or decision level),…

Machine Learning · Computer Science 2019-10-28 Zeeshan Ahmad , Naimul Khan

Human actions in videos are 3D signals. However, there are a few methods available for multiple human action recognition. For long videos, it's difficult to search within a video for a specific action and/or person. For that, this paper…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Noor Almaadeed , Omar Elharrouss , Somaya Al-Maadeed , Ahmed Bouridane , Azeddine Beghdadi

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

Fine-grained understanding of human actions and poses in videos is essential for human-centric AI applications. In this work, we introduce ActionArt, a fine-grained video-caption dataset designed to advance research in human-centric…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Yi-Xing Peng , Qize Yang , Yu-Ming Tang , Shenghao Fu , Kun-Yu Lin , Xihan Wei , Wei-Shi Zheng

Despite remarkable progress in image generation models, generating realistic hands remains a persistent challenge due to their complex articulation, varying viewpoints, and frequent occlusions. We present FoundHand, a large-scale…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Kefan Chen , Chaerin Min , Linguang Zhang , Shreyas Hampali , Cem Keskin , Srinath Sridhar

Human Activity Recognition (HAR) systems aim to understand human behaviour and assign a label to each action, attracting significant attention in computer vision due to their wide range of applications. HAR can leverage various data…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Jungpil Shin , Najmul Hassan , Abu Saleh Musa Miah1 , Satoshi Nishimura

Real-time recognition of dynamic hand gestures from video streams is a challenging task since (i) there is no indication when a gesture starts and ends in the video, (ii) performed gestures should only be recognized once, and (iii) the…

Computer Vision and Pattern Recognition · Computer Science 2019-10-21 Okan Köpüklü , Ahmet Gunduz , Neslihan Kose , Gerhard Rigoll

This work is motivated by the recent advances in Deep Neural Networks (DNNs) and their widespread applications in human-machine interfaces. DNNs have been recently used for detecting the intended hand gesture through processing of surface…

Machine Learning · Computer Science 2020-11-13 Elahe Rahimian , Soheil Zabihi , Amir Asif , Dario Farina , Seyed Farokh Atashzar , Arash Mohammadi

Accurate 3D tracking of hand and fingers movements poses significant challenges in computer vision. The potential applications span across multiple domains, including human-computer interaction, virtual reality, industry, and medicine.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-03 Gianluca Amprimo , Giulia Masi , Giuseppe Pettiti , Gabriella Olmo , Lorenzo Priano , Claudia Ferraris

Deep learning has achieved great success in recognizing video actions, but the collection and annotation of training data are still quite laborious, which mainly lies in two aspects: (1) the amount of required annotated data is large; (2)…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Yixiong Zou , Shanghang Zhang , Guangyao Chen , Yonghong Tian , Kurt Keutzer , José M. F. Moura

In this report, we present the technical details of our approach to the EPIC-KITCHENS-100 Unsupervised Domain Adaptation (UDA) Challenge for Action Recognition. The EPIC-KITCHENS-100 dataset consists of daily kitchen activities focusing on…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Yi Cheng , Fen Fang , Ying Sun

In still image human action recognition, existing studies have mainly leveraged extra bounding box information along with class labels to mitigate the lack of temporal information in still images; however, preparing extra data with manual…

Computer Vision and Pattern Recognition · Computer Science 2021-12-15 Hojat Asgarian Dehkordi , Ali Soltani Nezhad , Hossein Kashiani , Shahriar Baradaran Shokouhi , Ahmad Ayatollahi