Automatic signboard detection and localization in densely populated developing cities. - Md. Sadrul Islam Toaha; Sakib Bin Asad; Chowdhury Rafeed Rahman; S. M. Shahriar Haque; Mahfuz Ara Proma; Md. Ahsan Habib Shuvo; Tashin Ahmed; Md. Amimul Basher (Signal Process. Image Commun., 2022)