collaborators

13 papers

cs.RO2026

Implementing Robust M-Estimators with Certifiable Factor Graph Optimization

Zhexin Xu, Hanna Jiamei Zhang, Helena Calatrava +2

Parameter estimation in robotics and computer vision faces formidable challenges from both outlier contamination and nonconvex optimization landscapes. While M-estimation addresses…

eess.SP2026

Label Hijacking in Track Consensus-Based Distributed Multi-Target Tracking

Helena Calatrava, Shuo Tang, Pau Closas

Distributed multi-target tracking (DMTT) in limited field-of-view (FoV) sensor networks commonly suffers from label inconsistency, whereby different nodes disagree on the identity…

cs.LG2026

DPMM-CFL: Clustered Federated Learning via Dirichlet Process Mixture Model Nonparametric Clustering

Mariona Jaramillo-Civill, Peng Wu, Pau Closas

Clustered Federated Learning (CFL) improves performance under non-IID client heterogeneity by clustering clients and training one model per cluster, thereby balancing between a glo…

eess.SP2026

Cooperative Differential GNSS Positioning: Estimators and Bounds

Helena Calatrava, Daniel Medina, Pau Closas

In Differential GNSS (DGNSS) positioning, differencing measurements between a user and a reference station suppresses common-mode errors but also introduces reference-station noise…

cs.CV2025

K-Track: Kalman-Enhanced Tracking for Accelerating Deep Point Trackers on Edge Devices

Bishoy Galoaa, Pau Closas, Sarah Ostadabbas

Point tracking in video sequences is a foundational capability for real-world computer vision applications, including robotics, autonomous systems, augmented reality, and video ana…

eess.SP2025

Trends and Challenges in Next-Generation GNSS Interference Management

Leatile Marata, Mariona Jaramillo-Civill, Tales Imbiriba +4

The global navigation satellite system (GNSS) continues to evolve in order to meet the demands of emerging applications such as autonomous driving and smart environmental monitorin…