Max and Min Values of the Structural Similarity Function S(x, a) on the L 2 Sphere S R (a), a ∈ ℝ N. - D. Glew; Edward R. Vrscay (ICIAR (1), 2012)

Self-similarity of Images in the Wavelet Domain in Terms of ℓ2 and Structural Similarity (SSIM). - D. Glew; Edward R. Vrscay (ICIAR (1), 2012)