1.BLIINDS-II
paper：Blind Image Quality Assessment: A Natural Scene Statistics Approach in the DCT Domain
code: http://live.ece.utexas.edu/research/Quality/index_algorithms.htm
2.SSEQ
paper：L. Liu, B. Liu, H. Huang, and A.C. Bovik “ No-reference image quality assessment based on spatial and spectral entropies,” Signal Processing: Image Communication, June 2014
code: http://live.ece.utexas.edu/research/Quality/index_algorithms.htm