Institute of Information Science;
Beijing Jiaotong University;
Beijing 100044;
China;
Beijing Key Laboratory of Advanced Information Science and Network Technology;
Beijing 100044;
China;
College of Electronic and Information Engineering;
Hebei University;
Baoding 071002;
China;
The Third Research Institute;
China Electronics Technology Group Corporation;
Beijing 100015;
China;
image; fusion; block; matching; 3D; transform; blockmatching; and; 3D(BM3D); non-subsampled; Shearlet; transform(NSST);