Changchun Institute of Optics Fine Mechanics and Physics;
Chinese Academy of Sciences;
Changchun 130033;
P.R.China;
University of Chinese Academy of Sciences;
Beijing 100049;
P.R.China;
Beijing Institute of Aerospace Control Devices;
Beijing 100039;
P.R.China;
multi-exposure fusion; high dynamic range scene; dual-tree complex wavelet transform(DT-CWT); brightness analysis;