PSO Based Lossless and Robust Image Watermarking using Integer Wavelet Transform. Global Journal of Computer Science and Technology, [S. l.], v. 17, n. F1, p. 29–39, 2017. Disponível em: https://testing.computerresearch.org/index.php/computer/article/view/1508. Acesso em: 4 feb. 2026.