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updated 4 years ago

Spectral Clustering Algorithms by Asad Ali

Implementation of four key algorithms of Spectral Graph Clustering using eigen vectors : Tutorial (spectral clustering, graph segmentation, eigenvector segmentat...)

CalculateAffinity(data)

GenerateData(select)

Jordan_Weiss.m

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updated 5 years ago

Reversible Watermarking by Difference Expansion by Asad Ali

Reversible Data Embedding Using Difference Expansion by J. Tian (difference expansion, reversible watermarki..., j tian)

DE_Algorithm(originalImage,T,EMBED_DIRECTION)

[PeakSNR, Mean2err]=psnr(OriginalImage, DegradedImage)

DE_embedding.m

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updated 5 years ago

Distortionless Data Hiding Based on Integer Wavelet Transform by Asad Ali

Lossless data hiding using Integer Wavelet transform by Guorong Xuan. (Reversible Watermarking) (reversible watermarki..., distortionless data h..., guorong xuan)

[PeakSNR, Mean2err]=psnr(OriginalImage, DegradedImage)

Distortion_Less_Data_Hiding_Embedding.m

Distortion_Less_Data_Hiding_Extraction.m

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updated 5 years ago

Blur and Affine Invariants by Asad Ali

Combined Blur and Affine Moment Invariants by Suk and Flusser. (blur invariants, affine invariants, combined blur and aff...)

CentralMoments(x,y,p,q,pixelValues)

BlurInvariants.m

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updated almost 8 years ago

Contour Parameterization by Asad Ali

This function takes as input an image having white background and black foreground and traces the en (boundary following, contour following, affine contour follow...)

affine_contour_trace(BW,row,col,xx1,yy1)

SampleUsage.m

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