Pablo Gomez Roman Jacome Emmanuel Martínez 0002 Hans Garcia Henry Arguello Optical Authenticity in Pushbroom System for Spectral Information Protection. 1-5 2025 ICASSP https://doi.org/10.1109/ICASSP49660.2025.10887702 conf/icassp/2025 db/conf/icassp/icassp2025.html#GomezJ0GA25