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Skeleton-based human action recognition is a longstanding challenge due to its complex dynamics. Some fine-grain details of the dynamics play a vital role in classification. The existing work largely focuses on designing incremental neural…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Ruijie Hou , Yanran Li , Ningyu Zhang , Yulin Zhou , Xiaosong Yang , Zhao Wang

Modeling and prediction of human motion dynamics has long been a challenging problem in computer vision, and most existing methods rely on the end-to-end supervised training of various architectures of recurrent neural networks. Inspired by…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Borui Wang , Ehsan Adeli , Hsu-kuang Chiu , De-An Huang , Juan Carlos Niebles

Skeletal Action recognition from an egocentric view is important for applications such as interfaces in AR/VR glasses and human-robot interaction, where the device has limited resources. Most of the existing skeletal action recognition…

Computer Vision and Pattern Recognition · Computer Science 2023-09-20 Junan Lin , Zhichao Sun , Enjie Cao , Taein Kwon , Mahdi Rad , Marc Pollefeys

In manufacturing sectors such as textiles and electronics, manual processes are a fundamental part of production. The analysis and monitoring of the processes is necessary for efficient production design. Traditional methods for analyzing…

Computer Vision and Pattern Recognition · Computer Science 2023-10-13 Marlin Berger , Frederik Cloppenburg , Jens Eufinger , Thomas Gries

Action Detection is a complex task that aims to detect and classify human actions in video clips. Typically, it has been addressed by processing fine-grained features extracted from a video classification backbone. Recently, thanks to the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 Matteo Tomei , Lorenzo Baraldi , Simone Calderara , Simone Bronzin , Rita Cucchiara

Recent advances in machine learning technology have enabled highly portable and performant models for many common tasks, especially in image recognition. One emerging field, 3D human pose recognition extrapolated from video, has now…

Artificial Intelligence · Computer Science 2022-03-24 Alex Moran , Bart Gebka , Joshua Goldshteyn , Autumn Beyer , Nathan Johnson , Alexander Neuwirth

It is at times important to detect human presence automatically in secure environments. This needs a shape recognition algorithm that is robust, fast and has low error rates. The algorithm needs to process camera images quickly to detect…

Computer Vision and Pattern Recognition · Computer Science 2015-06-30 Dhriti Sengupta , Merina Kundu , Jayati Ghosh Dastidar

In this work, we propose a novel and efficient method for articulated human pose estimation in videos using a convolutional network architecture, which incorporates both color and motion features. We propose a new human body pose dataset,…

Computer Vision and Pattern Recognition · Computer Science 2014-09-30 Arjun Jain , Jonathan Tompson , Yann LeCun , Christoph Bregler

In this paper, we propose a new hand gesture recognition method based on skeletal data by learning SPD matrices with neural networks. We model the hand skeleton as a graph and introduce a neural network for SPD matrix learning, taking as…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Xuan Nguyen , Luc Brun , Olivier Lezoray , Sébastien Bougleux

The introduction of low-cost RGB-D sensors has promoted the research in skeleton-based human action recognition. Devising a representation suitable for characterising actions on the basis of noisy skeleton sequences remains a challenge,…

Computer Vision and Pattern Recognition · Computer Science 2015-04-21 Ruizhi Qiao , Lingqiao Liu , Chunhua Shen , Anton von den Hengel

Motion retargeting is a fundamental problem in computer graphics and computer vision. Existing approaches usually have many strict requirements, such as the source-target skeletons needing to have the same number of joints or share the same…

Graphics · Computer Science 2023-06-16 Lei Hu , Zihao Zhang , Chongyang Zhong , Boyuan Jiang , Shihong Xia

Recently, mid-level features have shown promising performance in computer vision. Mid-level features learned by incorporating class-level information are potentially more discriminative than traditional low-level local features. In this…

Computer Vision and Pattern Recognition · Computer Science 2014-09-16 Pichao Wang , Wanqing Li , Philip Ogunbona , Zhimin Gao , Hanling Zhang

Tracking the trajectory of tennis players can help camera operators in production. Predicting future movement enables cameras to automatically track and predict a player's future trajectory without human intervention. Predicting future…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Ali K. AlShami , Terrance Boult , Jugal Kalita

In this paper we propose a technique for obtaining coarse pose estimation of humans in an image that does not require any manual supervision. While a general unsupervised technique would fail to estimate human pose, we suggest that…

Computer Vision and Pattern Recognition · Computer Science 2017-04-14 Prabuddha Chakraborty , Vinay P. Namboodiri

Action recognition from well-segmented 3D skeleton video has been intensively studied. However, due to the difficulty in representing the 3D skeleton video and the lack of training data, action detection from streaming 3D skeleton video…

Computer Vision and Pattern Recognition · Computer Science 2017-04-20 Bo Li , Huahui Chen , Yucheng Chen , Yuchao Dai , Mingyi He

Deep learning models have achieved state-of-the- art performance in recognizing human activities, but often rely on utilizing background cues present in typical computer vision datasets that predominantly have a stationary camera. If these…

Robotics · Computer Science 2017-09-20 Fahimeh Rezazadegan , Sareh Shirazi , Ben Upcroft , Michael Milford

Emotion recognition through body movements has emerged as a compelling and privacy-preserving alternative to traditional methods that rely on facial expressions or physiological signals. Recent advancements in 3D skeleton acquisition…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Haifeng Lu , Jiuyi Chen , Zhen Zhang , Ruida Liu , Runhao Zeng , Xiping Hu

Motivation: Recognizing human actions in a video is a challenging task which has applications in various fields. Previous works in this area have either used images from a 2D or 3D camera. Few have used the idea that human actions can be…

Computer Vision and Pattern Recognition · Computer Science 2016-12-21 Adhavan Jayabalan , Harish Karunakaran , Shravan Murlidharan , Tesia Shizume

Skeleton-based action recognition, which classifies human actions based on the coordinates of joints and their connectivity within skeleton data, is widely utilized in various scenarios. While Graph Convolutional Networks (GCNs) have been…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Jeonghyeok Do , Munchurl Kim

In the realm of skeleton-based action recognition, the traditional methods which rely on coarse body keypoints fall short of capturing subtle human actions. In this work, we propose Expressive Keypoints that incorporates hand and foot…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Yijie Yang , Jinlu Zhang , Jiaxu Zhang , Zhigang Tu
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