Comparative Analysis of Multispectral LED–Sensor Architectures for Scalable Waste Material Classification. - Manakkakudy Kumaran, Anju; Elagib, Rahmi; De Iacovo, Andrea; Ballabio, Andrea; Frigerio, Jacopo; Isella, Giovanni; Assanto, Gaetano; Colace, Lorenzo (Applied Sciences (2076-3417), 2025)