Contrast Entropy Based Image Enhancement and Logarithmic Transform Coefficient Histogram Shifting. - Blair Silver; Sos S. Agaian; Karen Panetta (ICASSP (2), 2005)

Logarithmic transform coefficient histogram matching with spatial equalization. - Blair Silver; Sos S. Agaian; Karen Panetta (Visual Information Processing, 2005)

Transform Coefficient Histogram-Based Image Enhancement Algorithms Using Contrast Entropy. - Sos S. Agaian; Blair Silver; Karen A. Panetta (IEEE Trans. Image Process., 2007)