Automatic extraction method of depth annotation in grid chart considering correct classification and accurate positioning of elements
MA Mengkai, DONG Jian, TANG Lulu, PENG Rencan, ZHOU Yinfei, WANG Fang
Acta Geodaetica et Cartographica Sinica . 2023, (6): 1022 -1036 .  DOI: 10.11947/j.AGCS.2023.20220258