Yuto Shinahara Takuro Karamatsu Daisuke Harada Kota Yamaguchi Seiichi Uchida Serif or Sans: Visual Font Analytics on Book Covers and Online Advertisements. 1041-1046 2019 ICDAR https://doi.org/10.1109/ICDAR.2019.00170 conf/icdar/2019 db/conf/icdar/icdar2019.html#ShinaharaKHYU19