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Athanasios Vlontzos

3 accepted papers

2025

The Hardness of Validating Observational Studies with Experimental Data

AISTATS 2025poster

Observational data is often readily available in large quantities, but can lead to biased causal effect estimates due to the presence of unobserved confounding. Recent works attempt to remove this bias by supplementing observational data with experimental data, which, when available, is typically on…

Cited by 0SourcecodeScholar
2024

Benchmarking Counterfactual Image Generation

NeurIPS 2024poster

Generative AI has revolutionised visual content editing, empowering users to effortlessly modify images and videos. However, not all edits are equal. To perform realistic edits in domains such as natural image or medical imaging, modifications must respect causal relationships inherent to the data g…

2021

Unsupervised Human Pose Estimation Through Transforming Shape Templates

CVPR 2021poster

Human pose estimation is a major computer vision problem with applications ranging from augmented reality and video capture to surveillance and movement tracking. In the medical context, the latter may be an important biomarker for neurological impairments in infants. Whilst many methods exist, thei…

Cited by 53PDFcodeScholar