The use of digital imaging, chlorophyll fluorescence and Vis/NIR spectroscopy in assessing the ripening stage and freshness status of bell pepper fruit. - Dimitrios Kasampalis; Pavlos Tsouvaltzis; Konstantinos D. Ntouros; Athanasios Gertsis; Ioannis Z. Gitas; Anastasios S. Siomos (Comput. Electron. Agric., 2021)