Search Results for author: Kosmas Pinitas

Found 5 papers, 1 papers with code

From the Lab to the Wild: Affect Modeling via Privileged Information

no code implementations18 May 2023 Konstantinos Makantasis, Kosmas Pinitas, Antonios Liapis, Georgios N. Yannakakis

Privileged information enables affect models to be trained across multiple modalities available in a lab, and ignore, without significant performance drops, those modalities that are not available when they operate in the wild.

The Invariant Ground Truth of Affect

no code implementations14 Oct 2022 Konstantinos Makantasis, Kosmas Pinitas, Antonios Liapis, Georgios N. Yannakakis

In particular, we assume that the ground truth of affect can be found in the causal relationships between elicitation, manifestation and annotation that remain \emph{invariant} across tasks and participants.

Outlier Detection

Supervised Contrastive Learning for Affect Modelling

1 code implementation25 Aug 2022 Kosmas Pinitas, Konstantinos Makantasis, Antonios Liapis, Georgios N. Yannakakis

Affect modeling is viewed, traditionally, as the process of mapping measurable affect manifestations from multiple modalities of user input to affect labels.

Contrastive Learning

RankNEAT: Outperforming Stochastic Gradient Search in Preference Learning Tasks

no code implementations14 Apr 2022 Kosmas Pinitas, Konstantinos Makantasis, Antonios Liapis, Georgios N. Yannakakis

Stochastic gradient descent (SGD) is a premium optimization method for training neural networks, especially for learning objectively defined labels such as image objects and events.

feature selection

Dendritic Self-Organizing Maps for Continual Learning

no code implementations18 Oct 2021 Kosmas Pinitas, Spyridon Chavlis, Panayiota Poirazi

Current deep learning architectures show remarkable performance when trained in large-scale, controlled datasets.

Continual Learning Split-CIFAR-10 +1

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