Nikos Spyrou

PhD student, University of Athens

Joined

May 2024

Names

Nikos Spyrou (Preferred)

Emails

****@di.uoa.gr (Confirmed)

,

****@gmail.com (Confirmed)

Personal Links

Semantic Scholar

Career & Education History

PhD student

University of Athens (uoa.gr)

2023 – 2026

Advisors, Relations & Conflicts

PhD Advisor

Sotirios A. Tsaftaris

Present

PhD Advisor

Georgios Papanastasiou

Present

Expertise

Computer Vision

,

Generative AI

Present

Publications

Identifiable Estimation of Causal Concept Effects under Visual Latent Confounding
Thomas Melistas, Damian Machlanski, Kurt Butler, Angelos Korakitis, Nikos Spyrou, Athanasios Vlontzos, Yannis Panagakis, Sotirios A. Tsaftaris, Giorgos Papanastasiou
- UCRL@ICLR2026 Poster
- Readers: Everyone
Causally Steered Diffusion for Video Counterfactual Generation
Nikos Spyrou, Athanasios Vlontzos, Paraskevas Pegios, Thomas Melistas, Nefeli Gkouti, Yannis Panagakis, Giorgos Papanastasiou, Sotirios A. Tsaftaris
- ICLR 2026 Conference Withdrawn Submission
- Readers: Everyone
UnCoVAEr: Estimating Causal Concept Effects under Visual Latent Confounding
Thomas Melistas, Angelos Korakitis, Nefeli Gkouti, Nikos Spyrou, Athanasios Vlontzos, Yannis Panagakis, Giorgos Papanastasiou, Sotirios A. Tsaftaris
- ICLR 2026 Conference Withdrawn Submission
- Readers: Everyone
Benchmarking Counterfactual Image Generation
Thomas Melistas, Nikos Spyrou, Nefeli Gkouti, Pedro Sanchez, Athanasios Vlontzos, Yannis Panagakis, Giorgos Papanastasiou, Sotirios A. Tsaftaris
- Greeks in AI 2025 Oral
- Readers: Everyone
Benchmarking Counterfactual Image Generation
Thomas Melistas, Nikos Spyrou, Nefeli Gkouti, Pedro Sanchez, Athanasios Vlontzos, Yannis Panagakis, Giorgos Papanastasiou, Sotirios A. Tsaftaris
- NeurIPS 2024 Track Datasets and Benchmarks Poster
- Readers: Everyone

Co-Authors