TY - JOUR A1 - Ishii, Y. A1 - Iwao, K. A1 - Kinoshita, T. T1 - CHARACTERISTICS OF THE DEGREE OF GRADE IN GRADE-ADDED ROUGH SET FOR LAND COVER CLASSIFICATION JO - Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Archives VL - XLII-3/W7 SP - 19 EP - 24 Y1 - 2019/03/01 PB - Copernicus Publications SN - 2194-9034 UR - https://isprs-archives.copernicus.org/articles/XLII-3-W7/19/2019/ L1 - https://isprs-archives.copernicus.org/articles/XLII-3-W7/19/2019/isprs-archives-XLII-3-W7-19-2019.pdf DO - 10.5194/isprs-archives-XLII-3-W7-19-2019 ER -