%0 Journal Article %A Roman Ptak %A Bartosz Zygadło %A Olgierd Unold %T Projection-based text line segmentation with a variable threshold %J International Journal of Applied Mathematics and Computer Science %D 2017 %P 195 %V 27 %N 1 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/IJAMCS_2017__27_1_288098/ %G en %F IJAMCS_2017__27_1_288098