2 papers
cs.CV2026
Jordan-Segmentable Masks: A Topology-Aware definition for characterizing Binary Image Segmentation
Serena Grazia De Benedictis, Amedeo Altavilla, Nicoletta Del Buono
Image segmentation plays a central role in computer vision. However, widely used evaluation metrics, whether pixel-wise, region-based, or boundary-focused, often struggle to captur…
cs.LG2025
Sparse Hyperparametric Itakura-Saito Nonnegative Matrix Factorization via Bi-Level Optimization
Laura Selicato, Flavia Esposito, Andersen Ang +2
The selection of penalty hyperparameters is a critical aspect in Nonnegative Matrix Factorization (NMF), since these values control the trade-off between reconstruction accuracy an…