TY - JOUR A1 - Chen, J. A1 - Chen, W. A1 - Dou, A. A1 - Li, W. A1 - Sun, Y. T1 - RESEARCH ON OPTIMAL OBSERVATION SCALE FOR DAMAGED BUILDINGS AFTER EARTHQUAKE BASED ON OPTIMAL FEATURE SPACE JO - Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Archives VL - XLII-3 SP - 155 EP - 160 Y1 - 2018/04/30 PB - Copernicus Publications SN - 2194-9034 UR - https://isprs-archives.copernicus.org/articles/XLII-3/155/2018/ L1 - https://isprs-archives.copernicus.org/articles/XLII-3/155/2018/isprs-archives-XLII-3-155-2018.pdf DO - 10.5194/isprs-archives-XLII-3-155-2018 ER -