TY - JOUR AU - Facultad de Ciencias Biologicas y Ambientales AU - Ruiz-Santaquiteria Alegre, Jesús AU - Espinosa Aranda, José Luis AU - Déniz Suárez, Óscar AU - Sánchez Bueno, Carlos AU - Borrego Ramos, María AU - Blanco Lanza, Saúl AU - Cristóbal Pérez, Gabriel AU - Bueno García, María Gloria AU - Ecologia DA - 2018/01/01 PY - 2019 UR - http://hdl.handle.net/10612/9319 AB - We study the effectiveness of several low-cost oblique illumination filters to improve overall image quality, in comparison with standard bright field imaging. For this purpose, a dataset composed of 3360 diatom images belonging to 21 taxa was... LA - eng PB - SEPI KW - Ecología. Medio ambiente KW - Image quality metrics KW - Illumination filters KW - Oblique illumination KW - Textural features KW - Diatoms TI - Low-cost oblique illumination: an image quality assessment ER -