@article{article1973,
  title = {Metaheuristic and cryptographic approaches with upgraded discrete and lifting wavelet transform for effective data security in steganography},
  author = {SARATHA, S. and MURUGAN, V. and RANI, P.A.J.},
  journal = {Sigma Journal of Engineering and Natural Sciences},
  year = {2026},
  volume = {44},
  pages = {127-139},
  doi = {10.14744/sigma.2026.1973}
}