SpectraNet: FFT-assisted Deep Learning Classifier for Deepfake Face Detection. - Nithira Jayarathne; Naveen Basnayake; Keshawa Jayasundara; Pasindu Dodampegama; Praveen Wijesinghe; Hirushika Pelagewatta; Kavishka Abeywardana; Sandushan Ranaweera; Chamira U. S. Edussooriya (CoRR, 2025)