\begin{thebibliography}{17}
\providecommand{\natexlab}[1]{#1}
\providecommand{\url}[1]{{#1}}
\providecommand{\urlprefix}{URL }
\expandafter\ifx\csname urlstyle\endcsname\relax
  \providecommand{\doi}[1]{DOI~\discretionary{}{}{}#1}\else
  \providecommand{\doi}{DOI~\discretionary{}{}{}\begingroup
  \urlstyle{rm}\Url}\fi
\providecommand{\eprint}[2][]{\url{#2}}

\bibitem[{den(2007)}]{denoiselab}
 (2007) DenoiseLab Philosophy: A Standard Test Set and Evaluation Method to
  Compare Denoising Algorithms

\bibitem[{CUD(2010)}]{CUDAPG}
 (2010) NVIDIA CUDA C Programming Guide v3.1.1. NVIDIA Corporation

\bibitem[{Bertaux et~al(2004)Bertaux, Frauel, R{\'e}fr{\'e}gier, and
  Javidi}]{bertaux:04}
Bertaux N, Frauel Y, R{\'e}fr{\'e}gier P, Javidi B (2004) Speckle removal using
  a maximum-likelihood technique with isoline gray-level regularization. J Opt
  Soc Am A 21(12):2283--2291, \doi{10.1364/JOSAA.21.002283},
  \urlprefix\url{http://josaa.osa.org/abstract.cfm?URI=josaa-21-12-2283}

\bibitem[{Buades et~al(2005)Buades, Coll, and Morel}]{denoisereview}
Buades A, Coll B, Morel J (2005) A review of image denoising algorithms, with a
  new one. Multiscale Modeling and Simulation 4(2):490--530

\bibitem[{Buades et~al(2006)Buades, Coll, and Morel}]{BuadesCM06}
Buades A, Coll B, Morel JM (2006) The staircasing effect in neighborhood
  filters and its solution. IEEE Transactions on Image Processing
  15(6):1499--1505

\bibitem[{Caselles et~al(1997)Caselles, Coll, and Morel}]{caselles97}
Caselles V, Coll B, Morel JM (1997) Scale space versus topographic map for
  natural images. Springer, pp 29--49

\bibitem[{Chen et~al(2009)Chen, Beister, Kyriakou, and Kachelries}]{chen09}
Chen W, Beister M, Kyriakou Y, Kachelries M (2009) High performance median
  filtering using commodity graphics hardware. In: Nuclear Science Symposium
  Conference Record (NSS/MIC), 2009 IEEE, pp 4142--4147,
  \doi{10.1109/NSSMIC.2009.5402323}

\bibitem[{Coll et~al(2011)Coll, Morel, and Buades}]{ipol.2011.bcm_nlm}
Coll B, Morel JM, Buades A (2011) Non-local means denoising. Image Processing
  On Line

\bibitem[{Dabov et~al(2009)Dabov, Foi, Katkovnik, and
  Egiazarian}]{Dabov09bm3dimage}
Dabov K, Foi R, Katkovnik V, Egiazarian K (2009) Bm3d image denoising with
  shape-adaptive principal component analysis. In: Proc. Workshop on Signal
  Processing with Adaptive Sparse Structured Representations (SPARS{\rq}09

\bibitem[{Matheron(1975)}]{matheron75}
Matheron G (1975) Random sets and integral geometry. Wiley

\bibitem[{Mc{G}uire(2008)}]{mcguire2008median}
Mc{G}uire M (2008) A fast, small-radius gpu median filter. In: ShaderX6,
  \urlprefix\url{http://graphics.cs.williams.edu/papers/\\ MedianShaderX6}

\bibitem[{Monasse and Guichard(1999)}]{springerlink:10.1007/3-540-48236-9_16}
Monasse P, Guichard F (1999) Scale-space from a level lines tree. In: Nielsen
  M, Johansen P, Olsen O, Weickert J (eds) Scale-Space Theories in Computer
  Vision, Lecture Notes in Computer Science, vol 1682, Springer Berlin /
  Heidelberg, pp 175--186,
  \urlprefix\url{http://dx.doi.org/10.1007/3-540-48236-9\_16},
  10.1007/3-540-48236-9\_16

\bibitem[{Palhano Xavier De~Fontes et~al(2010)Palhano Xavier De~Fontes,
  Andrade~Barroso, Coup{\'e}, and Hellier}]{PALHANOXAVIERDEFONTES}
Palhano Xavier De~Fontes F, Andrade~Barroso G, Coup{\'e} P, Hellier P (2010)
  {Real time ultrasound image denoising}. Journal of Real-Time Image Processing
  \doi{10.1007/s11554-010-0158-5},
  \urlprefix\url{http://hal.inria.fr/inria-00476122}

\bibitem[{Perrot et~al(2011)Perrot, Domas, Couturier, and Bertaux}]{6036776}
Perrot G, Domas S, Couturier R, Bertaux N (2011) Gpu implementation of a region
  based algorithm for large images segmentation. In: Computer and Information
  Technology (CIT), 2011 IEEE 11th International Conference on, pp 291 --298,
  \doi{10.1109/CIT.2011.60}

\bibitem[{Sanchez and Rodriguez(2012)}]{sanchezICASSP12}
Sanchez RM, Rodriguez PA (2012) Bidimensional median filter for parallel
  computing architectures. In: Acoustics, Speech and Signal Processing
  (ICASSP), 2012 IEEE International Conference on, pp 1549--1552,
  \doi{10.1109/ICASSP.2012.6288187}

\bibitem[{Wang et~al(2004)Wang, Bovik, Sheikh, Member, Simoncelli, and
  Member}]{Wang04imagequality}
Wang Z, Bovik AC, Sheikh HR, Member S, Simoncelli EP, Member S (2004) Image
  quality assessment: From error visibility to structural similarity. IEEE
  Transactions on Image Processing 13:600--612

\bibitem[{Yang et~al(2009)Yang, Tan, and Ahuja}]{YangTA09}
Yang Q, Tan KH, Ahuja N (2009) Real-time o(1) bilateral filtering. In: CVPR,
  IEEE, pp 557--564,
  \urlprefix\url{http://doi.ieeecomputersociety.org/10.1109/\\
  CVPRW.2009.5206542}

\end{thebibliography}