Search Results for author: Sotirios Konstantakos

Found 2 papers, 0 papers with code

Self-supervised visual learning in the low-data regime: a comparative evaluation

no code implementations26 Apr 2024 Sotirios Konstantakos, Despina Ioanna Chalkiadaki, Ioannis Mademlis, Yuki M. Asano, Efstratios Gavves, Georgios Th. Papadopoulos

Self-Supervised Learning (SSL) is a valuable and robust training methodology for contemporary Deep Neural Networks (DNNs), enabling unsupervised pretraining on a `pretext task' that does not require ground-truth labels/annotation.

Representation Learning Self-Supervised Learning +1

Self-supervised visual learning for analyzing firearms trafficking activities on the Web

no code implementations12 Oct 2023 Sotirios Konstantakos, Despina Ioanna Chalkiadaki, Ioannis Mademlis, Adamantia Anna Rebolledo Chrysochoou, Georgios Th. Papadopoulos

Automated visual firearms classification from RGB images is an important real-world task with applications in public space security, intelligence gathering and law enforcement investigations.

Classification Image Classification +2

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