A novel algorithm for mask detection and recognizing actions of human

P Gupta, V Sharma, S Varma - Expert Systems with Applications, 2022 - Elsevier
Face recognition has become a significant challenge today since an increasing number of
individuals wear masks to avoid infection with the novel coronavirus or Covid-19. Due to its …

Action bank: A high-level representation of activity in video

S Sadanand, JJ Corso - 2012 IEEE Conference on computer …, 2012 - ieeexplore.ieee.org
Activity recognition in video is dominated by low-and mid-level features, and while
demonstrably capable, by nature, these features carry little semantic meaning. Inspired by …

Histograms of oriented optical flow and binet-cauchy kernels on nonlinear dynamical systems for the recognition of human actions

R Chaudhry, A Ravichandran… - 2009 IEEE conference …, 2009 - ieeexplore.ieee.org
System theoretic approaches to action recognition model the dynamics of a scene with
linear dynamical systems (LDSs) and perform classification using metrics on the space of …

Chaotic invariants of lagrangian particle trajectories for anomaly detection in crowded scenes

S Wu, BE Moore, M Shah - 2010 IEEE computer society …, 2010 - ieeexplore.ieee.org
A novel method for crowd flow modeling and anomaly detection is proposed for both
coherent and incoherent scenes. The novelty is revealed in three aspects. First, it is a unique …

Sequence of the most informative joints (smij): A new representation for human skeletal action recognition

F Ofli, R Chaudhry, G Kurillo, R Vidal… - Journal of Visual …, 2014 - Elsevier
Much of the existing work on action recognition combines simple features with complex
classifiers or models to represent an action. Parameters of such models usually do not have …

Human action recognition in RGB-D videos using motion sequence information and deep learning

EP Ijjina, KM Chalavadi - Pattern Recognition, 2017 - Elsevier
In this paper, we propose an approach for recognizing human actions based on motion
sequence information in RGB-D video using deep learning. A new representation that gives …

Recognizing human actions by learning and matching shape-motion prototype trees

Z Jiang, Z Lin, L Davis - IEEE Transactions on Pattern Analysis …, 2012 - ieeexplore.ieee.org
A shape-motion prototype-based approach is introduced for action recognition. The
approach represents an action as a sequence of prototypes for efficient and flexible action …

Action snippets: How many frames does human action recognition require?

K Schindler, L Van Gool - 2008 IEEE Conference on Computer …, 2008 - ieeexplore.ieee.org
Visual recognition of human actions in video clips has been an active field of research in
recent years. However, most published methods either analyse an entire video and assign it …

Slow feature analysis for human action recognition

Z Zhang, D Tao - IEEE transactions on pattern analysis and …, 2012 - ieeexplore.ieee.org
Slow Feature Analysis (SFA) extracts slowly varying features from a quickly varying input
signal [1]. It has been successfully applied to modeling the visual receptive fields of the …

Time series classification via topological data analysis

Y Umeda - Information and Media Technologies, 2017 - jstage.jst.go.jp
This paper focuses on a classification problem for volatile time series. One of the most
popular approaches for time series classification is dynamic time warping and feature-based …