A survey on using domain and contextual knowledge for human activity recognition in video streams

L Onofri, P Soda, M Pechenizkiy, G Iannello - Expert Systems with …, 2016 - Elsevier
Human activity recognition has gained an increasing relevance in computer vision and it can
be tackled with either non-hierarchical or hierarchical approaches. The former, also known …

[PDF][PDF] Vision-Based Hand Gesture Recognition for Human-Computer Interaction.

X Zabulis, H Baltzakis, AA Argyros - The universal access handbook, 2009 - academia.edu
In recent years, research efforts seeking to provide more natural, human-centered means of
interacting with computers have gained growing interest. A particularly important direction is …

Smart knowledge engineering for cognitive systems: a brief overview

C Silva de Oliveira, C Sanin… - Cybernetics and …, 2022 - Taylor & Francis
Cognition in computer sciences refers to the ability of a system to learn at scale, reason with
purpose, and naturally interact with humans and other smart systems, such as humans do …

Contextual recognition of head gestures

LP Morency, C Sidner, C Lee, T Darrell - Proceedings of the 7th …, 2005 - dl.acm.org
Head pose and gesture offer several key conversational grounding cues and are used
extensively in face-to-face interaction among people. We investigate how dialog context …

Group interaction analysis in dynamic context

P Dai, H Di, L Dong, L Tao, G Xu - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
Computer understanding of human actions and interactions is one of the key research
issues in human computing. In this regard, context plays an essential role in semantic …

Intelligent surveillance system with integration of heterogeneous information for intrusion detection

JL Castro, M Delgado, J Medina… - Expert Systems with …, 2011 - Elsevier
Recently, interest about security in public and private spaces has increased in favour of
social welfare. Surveillance systems are increasingly needed to provide security for citizens …

An XML based framework for cognitive vision architectures

S Wrede, J Fritsch, C Bauckhage… - Proceedings of the 17th …, 2004 - ieeexplore.ieee.org
Distributed processing and memory structures are very important aspects of cognitive vision
systems. Both issues not only require sophisticated conceptual designs but also pose …

A supervised learning approach to automate the acquisition of knowledge in surveillance systems

J Albusac, JJ Castro-Schez, LM López-López… - Signal Processing, 2009 - Elsevier
This paper presents a machine learning-based method to build knowledge bases used to
carry out surveillance tasks in environments monitored with video cameras. The method …

Deep cognitive gate: Resembling human cognition for saliency detection

K Yan, X Wang, J Kim, W Zuo… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Saliency detection by human refers to the ability to identify pertinent information using our
perceptive and cognitive capabilities. While human perception is attracted by visual stimuli …

Human Feedback and Knowledge Discovery: Towards Cognitive Systems Optimization

CS de Oliveira, C Sanin, E Szczerbicki - Procedia Computer Science, 2020 - Elsevier
Current computer vision systems, especially those using machine learning techniques are
data-hungry and frequently only perform well when dealing with patterns they have seen …