Add niqe to readme, misc

README.md

@@ -2,10 +2,11 @@
 
 Video quality metrics, reference implementation in python, with GPU optimizations and C versions as time permits.
 
-- VIF-P, Visual Information Fidelity: implemented
+- VIF (sometimes called VIF-P or VIFP), Visual Information Fidelity: implemented
 - SSIM, Structural Similarity Metric: implemented
 - PSNR, Peak Signal to Noise Ratio: implemented
 - RECO, Relative Polar Edge Coherence: implemented
+- NIQE, Natural Image Quality Evaluator: implemented
 - MS-SSIM, MultiScale Structural Similarity Metric: planned
 - 3SSIM, 3-Component Structural Similarity Metric: planned
 - VQUAD-HD: planned
@@ -28,3 +29,5 @@ H. R. Sheikh and A. C. Bovik, “Image information and visual quality,” Image
 V. Baroncini, L. Capodiferro, E. D. Di Claudio, and G. Jacovitti, “The polar edge coherence: a quasi blind metric for video quality assessment,” EUSIPCO 2009, Glasgow, pp. 564–568, 2009.
 
 Z. Wang, E. P. Simoncelli, and A. C. Bovik, “Multiscale structural similarity for image quality assessment,” Conference Record of the Thirty-Seventh Asilomar Conference on Signals, Systems and Computers, 2003, vol. 2, pp. 1398–1402.
+
+Mittal, Anish, Rajiv Soundararajan, and Alan C. Bovik. "Making a completely blind image quality analyzer." Signal Processing Letters, IEEE 20.3 (2013): 209-212.