DDocE: Deep Document Enhancement with Multi-scale Feature Aggregation and Pixel-Wise Adjustments. - Karina Olga Maizman Bogdan; Guilherme A. S. Megeto; Rovilson Leal; Gustavo de Moura Souza; Augusto C. Valente; Lucas N. Kirsten (ICDAR Workshops (1), 2021)