Noise filtering approach to improve handwritten digit recognition using customized CNN for Cerebral Palsy individualsK. Muthureka, U. Srinivasulu Reddy and B. JanetEur. Phys. J. Spec. Top., 234 15 (2025) 4297-4315DOI: https://doi.org/10.1140/epjs/s11734-025-01515-0