scikits-image/scikits-image — pull request #119 by stefanv (2012-02-04 04:11:53+00:00)
Title: ENH: Add structural similarity index and gradient.

Implementation of structural similarity index as described in:

Z. Wang, A. C. Bovik, H. R. Sheikh and E. P. Simoncelli, "Image quality assessment: From error visibility to structural similarity," IEEE Transactions on Image Processing, vol. 13, no. 4, pp. 600-612, Apr. 2004.