A Four-Grade Astrocytoma Classification System with Optimal Feature Selection Using Ant Colony Optimization Algorithm. - Nimmy George; Manju Manuel (Int. J. Pattern Recognit. Artif. Intell., 2024)

A secure data hiding system in biomedical images using grain 128a algorithm, logistic mapping and elliptical curve cryptography. - Nimmy George; Manju Manuel (Multim. Tools Appl., 2025)