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cs.CV2026

AgriField-40K: Adapting Vision Models to Agriculture With Efficient Continual Pretraining

Vasileios Tzouras, Paraskevas Pegios, Lazaros Nalpantidis

Field-based agricultural computer vision is important for precision agriculture, yet it largely depends on expensive annotations and costly adaptation of large pretrained models. W…

cs.CV2026

Need for Speed: Zero-Shot Depth Completion with Single-Step Diffusion

Jakub Gregorek, Paraskevas Pegios, Nando Metzger +3

We introduce Marigold-SSD, a single-step, late-fusion depth completion framework that leverages strong diffusion priors while eliminating the costly test-time optimization typicall…

cs.CV2026

Weight Space Correlation Analysis: Quantifying Feature Utilization in Deep Learning Models

Chun Kit Wong, Paraskevas Pegios, Nina Weng +4

Deep learning models in medical imaging are susceptible to shortcut learning, relying on confounding metadata (e.g., scanner model) that is often encoded in image embeddings. The c…

cs.CV2025

Causally Steered Diffusion for Automated Video Counterfactual Generation

Nikos Spyrou, Athanasios Vlontzos, Paraskevas Pegios +5

Adapting text-to-image (T2I) latent diffusion models (LDMs) to video editing has shown strong visual fidelity and controllability, but challenges remain in maintaining causal relat…

cs.CV2024

Fast Diffusion-Based Counterfactuals for Shortcut Removal and Generation

Nina Weng, Paraskevas Pegios, Eike Petersen +2

Shortcut learning is when a model -- e.g. a cardiac disease classifier -- exploits correlations between the target label and a spurious shortcut feature, e.g. a pacemaker, to predi…

cs.CV2024

Learning semantic image quality for fetal ultrasound from noisy ranking annotation

Manxi Lin, Jakob Ambsdorf, Emilie Pi Fogtmann Sejer +9

We introduce the notion of semantic image quality for applications where image quality relies on semantic requirements. Working in fetal ultrasound, where ranking is challenging an…