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Real-world face detection and alignment demand an advanced discriminative model to address challenges by pose, lighting and expression. Illuminated by the deep learning algorithm, some convolutional neural networks based face detection and…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Weilin Cong , Sanyuan Zhao , Hui Tian , Jianbing Shen

Most of human actions consist of complex temporal compositions of more simple actions. Action recognition tasks usually relies on complex handcrafted structures as features to represent the human action model. Convolutional Neural Nets…

Computer Vision and Pattern Recognition · Computer Science 2015-12-15 Mahdyar Ravanbakhsh , Hossein Mousavi , Mohammad Rastegari , Vittorio Murino , Larry S. Davis

In recent years, image forensics has attracted more and more attention, and many forensic methods have been proposed for identifying image processing operations. Up to now, most existing methods are based on hand crafted features, and just…

Multimedia · Computer Science 2020-09-01 Bolin Chen , Haodong Li , Weiqi Luo

Recent 2D-to-3D human pose estimation works tend to utilize the graph structure formed by the topology of the human skeleton. However, we argue that this skeletal topology is too sparse to reflect the body structure and suffer from serious…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Han Li , Bowen Shi , Wenrui Dai , Yabo Chen , Botao Wang , Yu Sun , Min Guo , Chenlin Li , Junni Zou , Hongkai Xiong

With the prevalence of RGB-D cameras, multi-modal video data have become more available for human action recognition. One main challenge for this task lies in how to effectively leverage their complementary information. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2020-02-03 Sijie Song , Jiaying Liu , Yanghao Li , Zongming Guo

Despite the notable progress made in action recognition tasks, not much work has been done in action recognition specifically for human-robot interaction. In this paper, we deeply explore the characteristics of the action recognition task…

Computer Vision and Pattern Recognition · Computer Science 2020-07-03 Ziyang Song , Ziyi Yin , Zejian Yuan , Chong Zhang , Wanchao Chi , Yonggen Ling , Shenghao Zhang

We propose a novel system for unsupervised skeleton-based action recognition. Given inputs of body keypoints sequences obtained during various movements, our system associates the sequences with actions. Our system is based on an…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Kun Su , Xiulong Liu , Eli Shlizerman

Action recognition is a key technology in building interactive metaverses. With the rapid development of deep learning, methods in action recognition have also achieved great advancement. Researchers design and implement the backbones…

Computer Vision and Pattern Recognition · Computer Science 2024-05-10 Zixuan Tang , Youjun Zhao , Yuhang Wen , Mengyuan Liu

Traditional machine learning methods for movement recognition often struggle with limited model interpretability and a lack of insight into human movement dynamics. This study introduces a novel representation learning framework based on…

Machine Learning · Computer Science 2025-07-01 Xingrui Gu , Chuyi Jiang , Erte Wang , Qiang Cui , Leimin Tian , Lianlong Wu , Siyang Song , Chuang Yu

The task of skeleton-based action recognition remains a core challenge in human-centred scene understanding due to the multiple granularities and large variation in human motion. Existing approaches typically employ a single neural…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Tailin Chen , Desen Zhou , Jian Wang , Shidong Wang , Yu Guan , Xuming He , Errui Ding

Nowadays, hand gesture recognition has become an alternative for human-machine interaction. It has covered a large area of applications like 3D game technology, sign language interpreting, VR (virtual reality) environment, and robotics. But…

Computer Vision and Pattern Recognition · Computer Science 2022-02-28 Abir Sen , Tapas Kumar Mishra , Ratnakar Dash

Graph Convolution Network (GCN) has been successfully used for 3D human pose estimation in videos. However, it is often built on the fixed human-joint affinity, according to human skeleton. This may reduce adaptation capacity of GCN to…

Computer Vision and Pattern Recognition · Computer Science 2021-09-16 Junhao Zhang , Yali Wang , Zhipeng Zhou , Tianyu Luan , Zhe Wang , Yu Qiao

Skeleton-based action recognition relies on the extraction of spatial-temporal topological information. Hypergraphs can establish prior unnatural dependencies for the skeleton. However, the existing methods only focus on the construction of…

Computer Vision and Pattern Recognition · Computer Science 2023-02-20 Shengqin Wang , Yongji Zhang , Hong Qi , Minghao Zhao , Yu Jiang

Human Pose Estimation is a crucial module in human-machine interaction applications and, especially since the rise in deep learning technology, robust methods are available to consumers using RGB cameras and commercial GPUs. On the other…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Gaurvi Goyal , Pham Cong Thuong , Arren Glover , Masayoshi Mizuno , Chiara Bartolozzi

We present a module that extends the temporal graph of a graph convolutional network (GCN) for action recognition with a sequence of skeletons. Existing methods attempt to represent a more appropriate spatial graph on an intra-frame, but…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Yuya Obinata , Takuma Yamamoto

For humans, our "senses of touch" have always been necessary for our ability to precisely and efficiently manipulate objects of all shapes in any environment, but until recently, not many works have been done to fully understand haptic…

Robotics · Computer Science 2022-03-15 Sachidanand V S , Mansi Sharma

Convolutional Neural Networks (ConvNets) have recently shown promising performance in many computer vision tasks, especially image-based recognition. How to effectively apply ConvNets to sequence-based data is still an open problem. This…

Computer Vision and Pattern Recognition · Computer Science 2017-01-02 Pichao Wang , Wanqing Li , Chuankun Li , Yonghong Hou

This paper presents a novel keypoints-based attention mechanism for visual recognition in still images. Deep Convolutional Neural Networks (CNNs) for recognizing images with distinctive classes have shown great success, but their…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Asish Bera , Zachary Wharton , Yonghuai Liu , Nik Bessis , Ardhendu Behera

This study introduces an advanced gesture recognition and user interface (UI) interaction system powered by deep learning, highlighting its transformative impact on UI design and functionality. By utilizing optimized convolutional neural…

Human-Computer Interaction · Computer Science 2024-11-26 Qi Sun , Tong Zhang , Shang Gao , Liuqingqing Yang , Fenghua Shao

Intuitive user interfaces are indispensable to interact with the human centric smart environments. In this paper, we propose a unified framework that recognizes both static and dynamic gestures, using simple RGB vision (without depth…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Osama Mazhar , Sofiane Ramdani , Andrea Cherubini