Systematic Feature and Method Selection for Two-Phase Flow Classification Using Multi-Wavelength Near-Infrared Sensors. - Thiago Martins; João Paulo Bedretchuk; Victor N. Kürschner; Raphael D. Comesanha S.; Anderson Wedderhoff Spengler; Jorge Luiz Goes Oliveira; Kleber Vieira de Paiva (IEEE Access, 2026)