TY  - JOUR
TI  - Metaheuristic and cryptographic approaches with upgraded discrete and lifting wavelet transform for effective data security in steganography
AU  - SARATHA, S.
AU  - MURUGAN, V.
AU  - RANI, P.A.J.
JO  - Sigma Journal of Engineering and Natural Sciences
PY  - 2026
VL  - 44
SP  - 127
EP  - 139
DO  - 10.14744/sigma.2026.1973
ER  -