Volodymyr Dahl East Ukrainian National University

SIGMAR-3D: scale-invariant guaranteed monotone accurate registration for 3D scenes

Abstract SIGMAR-3D is a training-free framework for robust pairwise 3D point-cloud registration. It combines a handcrafted local descriptor, SIGMA, with a scene-adaptive coarse-to-fine registration stage, R-3D. SIGMA builds a repeatable local reference frame at each keypoint and...

Challenges and pathways for renewable energy transition amid crisis: A case study on community perspectives during the Russian war against Ukraine

The ongoing war in Ukraine has exposed the vulnerability of centralised energy systems while increasing the importance of decentralised renewable energy for maintaining essential public services. Existing research has largely focused on infrastructure damage, national energy poli...