activity
20092024
most citedFIVR: Fine-grained Incident Video Retrieval

78 citations · 283 across the 39 of their papers we have counts for

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Showing 2021Show all

8 papers · 1 filter

cs.CV2021

Leveraging Selective Prediction for Reliable Image Geolocation

Apostolos Panagiotopoulos, Giorgos Kordopatis-Zilos, Symeon Papadopoulos

Reliable image geolocation is crucial for several applications, ranging from social media geo-tagging to fake news detection. State-of-the-art geolocation methods surpass human per…

cs.LG2021★ 12 cited

p2pGNN: A Decentralized Graph Neural Network for Node Classification in Peer-to-Peer Networks

Emmanouil Krasanakis, Symeon Papadopoulos, Ioannis Kompatsiaris

In this work, we aim to classify nodes of unstructured peer-to-peer networks with communication uncertainty, such as users of decentralized social networks. Graph Neural Networks (…

cs.LG2021

pygrank: A Python Package for Graph Node Ranking

Emmanouil Krasanakis, Symeon Papadopoulos, Ioannis Kompatsiaris +1

We introduce pygrank, an open source Python package to define, run and evaluate node ranking algorithms. We provide object-oriented and extensively unit-tested algorithm components…

cs.SI2021

Prior Signal Editing for Graph Filter Posterior Fairness Constraints

Emmanouil Krasanakis, Symeon Papadopoulos, Ioannis Kompatsiaris +1

Graph filters are an emerging paradigm that systematizes information propagation in graphs as transformation of prior node values, called graph signals, to posterior scores. In thi…

cs.CV2021★ 3 cited

A Survey on Bias in Visual Datasets

Simone Fabbrizzi, Symeon Papadopoulos, Eirini Ntoutsi +1

Computer Vision (CV) has achieved remarkable results, outperforming humans in several tasks. Nonetheless, it may result in significant discrimination if not handled properly as CV…

cs.CV2021★ 37 cited

DnS: Distill-and-Select for Efficient and Accurate Video Indexing and Retrieval

Giorgos Kordopatis-Zilos, Christos Tzelepis, Symeon Papadopoulos +2

In this paper, we address the problem of high performance and computationally efficient content-based video retrieval in large-scale datasets. Current methods typically propose eit…