Continuous emotion recognition for long-term behavior modeling through recurrent neural networks

I Kansizoglou, E Misirlis, K Tsintotas, A Gasteratos - Technologies, 2022 - mdpi.com
One's internal state is mainly communicated through nonverbal cues, such as facial
expressions, gestures and tone of voice, which in turn shape the corresponding emotional …

Multi-sensor cyber-physical sorting system (cpss) based on industry 4.0 principles: A multi-functional approach

FK Konstantinidis, S Sifnaios, G Tsimiklis… - Procedia Computer …, 2023 - Elsevier
Products global demand constantly grows, along with drifts of the volume of waste produced,
thus having a negative impact on the environment. Besides the advancement of artificial …

Towards an autonomous, visual inspection-aware 3d exploration and mapping system for water ballast tanks of marine vessels

RY Brogaard, RE Andersen, L Kovac… - … on imaging systems …, 2021 - ieeexplore.ieee.org
While there exist several approaches for autonomous exploration of confined spaces, when
it comes to inspection tasks, there are not many works that take into account the actual …

Do neural network weights account for classes centers?

I Kansizoglou, L Bampis… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The exploitation of deep neural networks (DNNs) as descriptors in feature learning
challenges enjoys apparent popularity over the past few years. The above tendency focuses …

Joint-aware action recognition for ambient assisted living

KM Oikonomou, I Kansizoglou… - … on Imaging Systems …, 2022 - ieeexplore.ieee.org
As the aged population is rapidly increased, the need for efficient and low-cost ambient
systems becomes vital. The effectiveness of such systems lies upon the accurate and fast …

DaCo: domain-agnostic contrastive learning for visual place recognition

H Ren, Z Zheng, Y Wu, H Lu - Applied Intelligence, 2023 - Springer
Visual place recognition is a core component of visual information analysis, which serves for
the position and orientation perception of autonomous driving and robotics. The current …

Tackling dataset bias with an automated collection of real-world samples

V Sevetlidis, G Pavlidis, S Mouroutsos… - IEEE Access, 2022 - ieeexplore.ieee.org
The early 21st-century technological advancements tilted the scales towards data-driven
learning. Thus, modern machine-learning systems rely heavily on data to learn complex …

Rethinking maximum-margin softmax for adversarial robustness

M Hassanin, N Moustafa, M Tahtali, KKR Choo - Computers & Security, 2022 - Elsevier
Learning discriminative features with adversarial behaviors can be extremely challenging to
build a robust learning model. This is partly evidenced by the difficulties in training robust …

Semantic-based visual vocabulary for loop closure detection

IT Papapetros, KM Oikonomou… - … on Imaging Systems …, 2023 - ieeexplore.ieee.org
Recognizing when a robot is navigating in a previously visited location, known as loop
closure detection, constitutes an essential task within any simultaneous localization and …

Web acquired image datasets need curation: an examplar pipeline evaluated on Greek food images

V Sevetlidis, G Pavlidis, V Arampatzakis… - … on Imaging Systems …, 2021 - ieeexplore.ieee.org
Mining Web data to create AI-usable datasets, is still non-trivial. Unfortunately, despite the
free data access, the formation of a dataset useful for machine learning applications cannot …