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Wavelets and frames

• A Wavelet Tour of Signal Processing  Wavelab
• Steerable Pyramid  matlabPyrtools.tar.gz
• Rice Wavelet Toolbox    rwt.zip
• Contourlet and Ridgelet Toolbox    download
• Beamlet and Curvelet Toolbox    Beamlab
• Complex wavelet Toolbox    download
• Wavelet/bandelet Toolbox at Matlab Central  
  
• MCALab
  

Image denoising

• Wavelet-based soft/hard thresholding and TI denoising  Wavelab
• Spatially adaptive image denoising under overcomplete expansion   SA-OE
• Bayesian Least-Square Gaussian Scalar Mixture  BLS-GSM
• Wavelet-domain HMM for image denoising  WHMT
• Fields of experts model for image denoising  FoE
• Learning sparse representation for image denoising K-SVD
• Shape adaptive DCT based image denoising  SA-DCT
• Nonlocal mean based image denoising code  code2 (third-party implementation)
  
• Block matching 3D (BM3D) image denoising  BM3D
• Product of Edgeperts denoising  PoEdges
• Total Least-Square (TLS) image denoising  TLS
• AVMF color image denoising  AVMF
  
• Multiscle LMMSE-based image denoising   code
• Kernel regression based image denoising  code
• Belief propagation for image restoration  code
• Gaussian Field-of-Expert (GFoE) denoising  code
  

Image coding

• JPEG-LS standard LOCO-I
  
• Context-Based, Adaptive, Lossless Image Coding  CALIC
• Edge directed prediction for lossless image compression  EDP
• TMW lossless image compression Download Code (lost in translation)
• Minimum rate prediction with DP-based optimization  Code
• Embedded Predictive Wavelet Image Coder  Code
  
• SPIHT image codec  SPIHT  MATLAB codes (third-party implementation)
  
• Estimation Quantization lossy image codec EQ
  
• Least-Square Estionation Quantization Codec LS-EQ
• EBCOT codec for JPEG2000  EBCOT

Image demosaicing

• Primary-consistent soft-decision (PCSD)-based scheme executable
  
• Alternate projection (AP)-based scheme AP
  
• Adaptive Homogeneity-Directed (AHD) demosaicing  AHD
• DLMMSE demosaicing   DLMMSE
• Demosaicing by successive approximation  SA
• Demosaicing by directional filtering and a posteriori decision  dfapd
  
• LPA-ICI demosaicing   LPA-ICI
• Lukac's demosaicing toolbox  Download

Image interpolation and Superresolution

• New edge directed interpolation (NEDI) NEDI
  
• Directional filtering and data fusion  DFDF
• Wavelet-based texture image interpolation  wt_interp
• Fast and robust superresolution (SR) toolbox  UCSC-SR  
• Superresolution for synthetic zooming  syn_zoom
• EPFL's frequency-domain approach  EPFL
• Support vector machine based image superresolution   result
• Image interpolation using multiscale geometric representations   Code
• Kriging-based Best Linear Unbiased Estimator  Code
• Image interpolation by adaptive 2D autoregressive modeling and soft-decision estimation   Executable
• Super-resolution GUI developed by Bahadir at LSU
• Super-resolution via sparse coding  code
  

Image segmentation and matting

• Image segmentation by normalized cut  Ncut
  
• Epitome-based image segmentation  epitome
• Bayesian multiscale image segmentation SMAP
• Graph-cut Based Image Segmentation  segment
• EDISON System  EDISON
• Pfinder system  Pfinder
• A closed form solution to image matting  matting
• Spectral matting  code
• Level set evolution without reinitialization  Code
• Implicit active contour driven by local binary fitting energy  Code
• Snakes, Shapes, and Gradient Vector Flow  Code
• Unsupervised learning of finite mixture model  Code
• DDMCMC Image Segmentation
• Image Segmentation by Generalized SW-cuts

Image deblurring

• Fourier-Wavelet Regularized Deconvolution  ForWard
• Pointwise SA-DCT regularized deconvolution  SA-DCT
• Removing Camera Shake from a Single Image  code_request_form
• Image deconvolution using a natural image prior  Code
• Total-Variation (TV) based image deblurring  Code
  
• Two-step iterative shrinkage/thresholding algorithms for image restoration  Code
• Iterative methods for image restoration   Code
  
• ICA Toolbox for blind image separation  
  

Image inpainting/Texture synthesis

• Exemplar-based image inpainting  code
• Fields of experts model for image inpainting  FoE
• Image recovery via adaptive sparse representation  code
• Least-Square based sequential error concealment  nsec
• Patch-based nonlocal error concealment
• Wavelet-domain parametric model  code
  

Image registration

• Lukas-Kanade algorithm  code   code2
• SIFT feature correspondence   code   code2   code3 (faster C++)
• Local binary pattern (LBP)   code
• Maximally stable extremal regions (MSER)  code
  
• Graph-cut based  optical flow estimation   code
• Pyramid-based hierarchical motion estimation  Code (my own implementation)
• Affine Motion Estimation for Medical Image Registration  Code
• A frequency-domain approach toward image registration  Code
  

Image quality assessment

• Universal image quality index   code
  
• Structural SIMilarity (SSIM) index   code
• Degradation model  code
  

Compressed Sensing

• Robust uncertainty principle   code
• Bayesian compressed sensing  code
• SparseMRI   Code
• Sparse Recovery Using Sparse Random Matrices   code
• SPARCO toolbox  code
• Fixed-Point Continuation Method for l1-Regularized Minimization  code
• Matching Pursuit Toolkit  code
• Gradient pursuit  code
• l1-regularized LS  code
• Gradient projection  code
• Sparselab Toolbox
  

PDE-based image processing

• Perona-Malik nonlinear diffusion  code
  
• Total variation based image denoising code 
• Shock filter for image enhancement   code
  
• Weickert's anisotropic diffusion  code
• Mean curvature diffusion (MCD)   code
  

Object recognition

• Adaboost method    code
• Biologically inspired object recognition  code
• Hierarchical Models of Object Recognition in Cortex  code
• Scalable recognition with a vocabulary tree Code (third-party implementation)
• Shock graphs  code
• Shape contexts  code
• Robust nonrigid point matching   Code
  
• Recognizing and learning object categories  (short course at ICCV2005)

Stereo matching

• A taxonomy and evaluation of dense two-frame stereo correspondence algorithms  code
  
• Graph cut based stereo matching    code
• Belief propagation based stereo matching code
• A roadmap to the integration of early visual modules  Code
• Adaptive support-weight approach  Code

Video coding

• MPEG-1/2 reference software
• H.263/H.263+ reference software
• MPEG4 reference software (MoMuSys and Microsoft - lost on the web?)
  
• H.264/AVC reference software
  

Blind source separation

• Shiro Ikeda's page of Blind Source Separation
• Independent Component Analysis by JV Stone
• Blind source separation via Independent component analysis
  

Miscellaneous

• Self-organizing map (SOM) Toolbox
• Direct LS-based ellipsis fitting  code
• Graph cut based 2D Phase unwrapping   code
• Inference package for undirected graphical models 
• Kernel smoothing toolbox
• CMU statistics library collections
  
• Complex network toolbox
• David Heeger's toolboxes
• Xiaofei He's dimensionality reduction source code collection
• DistLearnKit: a MATLAB Toolkit for distance metric learning
  
• Subspace segmentation source code distribution
• Multiview geometry and 3D reconstruction
• Diffusion maps and treelet by Ann Lee
• Software released by Andrew Zisserman's vissual geometry group
• Xavier Bresson's source codes accompanying his papers on image processing 
• JianChao Yang's source codes on image classification and super-resolution
• Song-chun Zhu's source codes on image segmentation and active basis
• Patrik O Hoyer's source code collection on his research
• Laurent Perrinet's SparseHebbianlearning source codes
• Kevin Murphy's Bayes Net Toolbox for Matlab
• Jelena Kovacevic: bimagicLab: Software
• Northwestern BME's AnimalLab
• Michael Elad's source code collection on his research
• Peyman Milanfar's source code collection on his research
• Yi Ma's source code collection on his research