Search Results for author: Stefanos-Iordanis Papadopoulos

Found 6 papers, 4 papers with code

RED-DOT: Multimodal Fact-checking via Relevant Evidence Detection

1 code implementation16 Nov 2023 Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis

Online misinformation is often multimodal in nature, i. e., it is caused by misleading associations between texts and accompanying images.

Fact Checking Misinformation +1

VERITE: A Robust Benchmark for Multimodal Misinformation Detection Accounting for Unimodal Bias

2 code implementations27 Apr 2023 Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis

Multimedia content has become ubiquitous on social media platforms, leading to the rise of multimodal misinformation (MM) and the urgent need for effective strategies to detect and prevent its spread.

Misinformation

Synthetic Misinformers: Generating and Combating Multimodal Misinformation

1 code implementation2 Mar 2023 Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis

To address this, we perform a comparative study on existing and new Synthetic Misinformers that involves (1) out-of-context (OOC) image-caption pairs, (2) cross-modal named entity inconsistency (NEI) as well as (3) hybrid approaches and we evaluate them against real-world misinformation; using the COSMOS benchmark.

Misinformation

Design-time Fashion Popularity Forecasting in VR Environments

no code implementations14 Dec 2022 Stefanos-Iordanis Papadopoulos, Christos Koutlis, Anastasios Papazoglou-Chalikias, Symeon Papadopoulos, Spiros Nikolopoulos

To this end, we develop a computer vision pipeline fine tuned on fashion imagery in order to extract relevant visual features along with the category and attributes of the garment.

Image Classification Popularity Forecasting +1

VICTOR: Visual Incompatibility Detection with Transformers and Fashion-specific contrastive pre-training

1 code implementation27 Jul 2022 Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Ioannis Kompatsiaris

For fashion outfits to be considered aesthetically pleasing, the garments that constitute them need to be compatible in terms of visual aspects, such as style, category and color.

Binary Classification Recommendation Systems

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