A binary text image authentication algorithm based on short digital signature

I want a mat lab code for dividing the binary image text in to sub blocks and also how to extract the digital signature from the binary text image , So please help me anyone know about this process and if possible provide the code for those process in mat lab. Thank u

On Feb 28, 1:13=A0am, "chaitanya kumar" <cherukuri.1...@gmail.com> wrote: > I want a mat lab code for dividing the binary image text in to sub blocks= and also how to extract the digital signature from the binary text image ,= So please help me anyone know about this process and if possible provide t= he code for those process in mat lab. > > Thank u ------------------------------------------------------------------ Try blockproc(). I don't know what the "signature" of a binary image is.

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7/23/2012 5:46:12 PM