Area Fractions by Linear Analysis of Intensity Level Histograms. - José Antônio Trindade Borges da Costa (SIBGRAPI, 2003)

Color profile function for morphological image segmentation. - Marcos Cordeiro d'Ornellas; José Antônio Trindade Borges da Costa; Adriane P. Dias (Color Imaging: Processing, Hardcopy, and Applications, 2005)

Color Mathematical Morphology Based on Partial Ordering of Spectra. - Marcos Cordeiro d'Ornellas; José Antônio Trindade Borges da Costa (SIBGRAPI, 2007)