ICFHR2016 Handwritten Document Image Binarization Contest (H-DIBCO 2016). - Ioannis Pratikakis; Konstantinos Zagoris; George Barlas; Basilis Gatos (ICFHR, 2016)

ICDAR2017 Competition on Document Image Binarization (DIBCO 2017). - Ioannis Pratikakis; Konstantinos Zagoris; George Barlas; Basilis Gatos (ICDAR, 2017)