Spring 2007   InfAs 535

Steganography, Watermarking & Steganalysis

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Code Links

Links to Matlab primers

Several Matlab primers

a collection of Matlab primer sites

Matlab code

  1. matlab code for hiding a message image in a cover image using a simple LSB algorithm
  2. matlab code for simple histogram of image
  3. another version of a histogram
  4. Demo of the FFT on an image
  5. matlab code for computing the discrete cosine transform of an image

  6. a matlab m-file that contains snippets of code that may be useful

  7. a matlab m-file that converts an RGB file to a YCbCr format
  8. code to calculate the DCT and display using log function
  9. m-file that calculates p-value for probability of embedding

at UC Berkeley

at another place

zebra image

Other useful coding links

GIMP is a free image processing software package

so is Irfanview

Last Updated February 19, 2008