NAIDU, V.; RAOL, J. Pixel-level Image Fusion using Wavelets and Principal Component Analysis. Defence Science Journal, [S. l.], v. 58, n. 3, p. 338–352, 2008. DOI: 10.14429/dsj.58.1653. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/1653. Acesso em: 15 jun. 2025.