School of Geodesy and Geomatics;
Wuhan University;
Wuhan;
China;
Geomatics Centre;
Thuyloi University;
Hanoi;
Vietnam;
Institute of Technique Special Engineering;
Le Quy Don Technical University;
Hanoi;
Vietnam;
Dam deformation analysis; multi-regression model; Back-propagation Neural Network(BPNN); Seasonal Integrated Auto-regressive Moving Average(SARIMA)model; merging model;