I. A. Ahmad and P. Lin, A nonparametric estimation of the entropy for absolutely continuous distributions (Corresp.), IEEE Transactions on Information Theory, vol.22, issue.3, pp.372-375, 1976.
DOI : 10.1109/TIT.1976.1055550

C. V. Angelino, E. Debreuve, and M. Barlaud, Image restoration using a kNN-variant of the mean-shift, 2008 15th IEEE International Conference on Image Processing, 2008.
DOI : 10.1109/ICIP.2008.4711819

URL : https://hal.archives-ouvertes.fr/hal-00379329

C. V. Angelino, E. Debreuve, and M. Barlaud, Patch confidence k-nearest neighbors denoising, 2010 IEEE International Conference on Image Processing, 2010.
DOI : 10.1109/ICIP.2010.5651316

URL : https://hal.archives-ouvertes.fr/hal-00518078

S. P. Awate and R. T. Whitaker, Unsupervised, information-theoretic, adaptive image filtering for image restoration, IEEE Transactions on Pattern Analysis and Machine Intelligence, vol.28, issue.3, pp.364-376, 2006.
DOI : 10.1109/TPAMI.2006.64

T. Brox and D. Cremers, Iterated Nonlocal Means for Texture Restoration, Scale Space and Variational Methods in Computer Vision, First International Conference Proceedings, pp.13-24, 2007.
DOI : 10.1007/978-3-540-72823-8_2

A. Buades, B. Coll, and J. Morel, A Non-Local Algorithm for Image Denoising, 2005 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'05), pp.60-65, 2005.
DOI : 10.1109/CVPR.2005.38

G. Carlsson, T. Ishkhanov, V. De-silva, and A. Zomorodian, On the Local Behavior of Spaces of Natural Images, International Journal of Computer Vision, vol.265, issue.4, pp.1-12, 2008.
DOI : 10.1007/s11263-007-0056-x

D. Comaniciu and P. Meer, Mean shift: a robust approach toward feature space analysis, IEEE Transactions on Pattern Analysis and Machine Intelligence, vol.24, issue.5, pp.603-619, 2002.
DOI : 10.1109/34.1000236

A. Criminisi, P. Pérez, and K. Toyama, Region Filling and Object Removal by Exemplar-Based Image Inpainting, IEEE Transactions on Image Processing, vol.13, issue.9, pp.1200-1212, 2004.
DOI : 10.1109/TIP.2004.833105

K. Dabov, A. Foi, K. , V. Egiazarian, and K. , Image denoising by sparse 3d transform-domain collaborative filtering, IEEE Trans. Image Process, vol.16, 2007.

K. Fukunaga and L. D. Hostetler, The estimation of the gradient of a density function, with applications in pattern recognition, IEEE Transactions on Information Theory, vol.21, issue.1, pp.32-40, 1975.
DOI : 10.1109/TIT.1975.1055330

J. Huang and D. Mumford, Statistics of natural images and models, IEEE CVPR, pp.541-547, 1999.

A. B. Lee, K. S. Pedersen, and D. Mumford, The nonlinear statistics of high-contrast patches in natural images, Int. J. Comput. Vision, vol.54, pp.1-383, 2003.

J. Orchard, M. Ebrahimi, and A. Wong, Efficient nonlocal-means denoising using the SVD, 2008 15th IEEE International Conference on Image Processing, pp.1732-1735, 2008.
DOI : 10.1109/ICIP.2008.4712109

J. Salmon and Y. Strozecki, From patches to pixels in Non-Local methods: Weighted-average reprojection, 2010 IEEE International Conference on Image Processing, 2010.
DOI : 10.1109/ICIP.2010.5650780

W. Sun, Y. Peng, and W. Hwang, Modified similarity metric for non-local means algorithm, Electronics Letters, vol.45, issue.25, pp.451307-1309, 2009.
DOI : 10.1049/el.2009.2406

T. Tasdizen, Principal components for non-local means image denoising, 2008 15th IEEE International Conference on Image Processing, pp.1728-1731, 2008.
DOI : 10.1109/ICIP.2008.4712108

URL : http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2631181

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, issue.4, pp.600-612, 2004.
DOI : 10.1109/TIP.2003.819861