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Basis Matrices in Visual Cryptography Scheme

Hey everyone,
I'm doing my final year project on Visual Cryptography, and I'm basing it off the paper below:
http://lbms03.cityu.edu.hk/theses/c_ftt/mphil-cs-b39478154f.pdf

I coded everything, according to what's described in section 3, but the output seems to be off. I have a feeling I messed up the contents of the Basis Matrices B0 and B1(PDF page 41/86). What's more, I can't understand their construction, and the paper fails to specify its contents even for the example they've shown (2-out of-2 color VCS for Lena image). It's so ambiguous I can't even figure out if it should be a 2x2 or 2x4 matrix. Some help would be appreciated!

Comments

  • saboor_amtulsaboor_amtul Posts: 4Member
    [size=1][b]Hello. I am a student and want to do research in this field. I am also stuck at basis matrix construction, since u were doing final year project, i am sure you must have done it till now. Kindly help me. I am sure you will be kind enough to feel the way I am feeling because you have gone through this time. So please guide me the construction method of the basis matrix. Thanks Alot. [/b][/size]

    Your Message To This Forum Was:

    Hey everyone,
    : I'm doing my final year project on Visual Cryptography, and I'm
    : basing it off the paper below:
    : http://lbms03.cityu.edu.hk/theses/c_ftt/mphil-cs-b39478154f.pdf
    :
    : I coded everything, according to what's described in section 3, but
    : the output seems to be off. I have a feeling I messed up the
    : contents of the Basis Matrices B0 and B1(PDF page 41/86). What's
    : more, I can't understand their construction, and the paper fails to
    : specify its contents even for the example they've shown (2-out of-2
    : color VCS for Lena image). It's so ambiguous I can't even figure out
    : if it should be a 2x2 or 2x4 matrix. Some help would be appreciated!
    :

  • saboor_amtulsaboor_amtul Posts: 4Member
    [size=1][b]Hello. I am a student and want to do research in this field. I am also stuck at basis matrix construction, since u were doing final year project, i am sure you must have done it till now. Kindly help me. I am sure you will be kind enough to feel the way I am feeling because you have gone through this time. So please guide me the construction method of the basis matrix. Thanks Alot. [/b][/size]

    Your Message To This Forum Was:

    Hey everyone,
    : I'm doing my final year project on Visual Cryptography, and I'm
    : basing it off the paper below:
    : http://lbms03.cityu.edu.hk/theses/c_ftt/mphil-cs-b39478154f.pdf
    :
    : I coded everything, according to what's described in section 3, but
    : the output seems to be off. I have a feeling I messed up the
    : contents of the Basis Matrices B0 and B1(PDF page 41/86). What's
    : more, I can't understand their construction, and the paper fails to
    : specify its contents even for the example they've shown (2-out of-2
    : color VCS for Lena image). It's so ambiguous I can't even figure out
    : if it should be a 2x2 or 2x4 matrix. Some help would be appreciated!
    :

  • saboor_amtulsaboor_amtul Posts: 4Member
    [size=1][b]Hello. I am a student and want to do research in this field. I am also stuck at basis matrix construction, since u were doing final year project, i am sure you must have done it till now. Kindly help me. I am sure you will be kind enough to feel the way I am feeling because you have gone through this time. So please guide me the construction method of the basis matrix. Thanks Alot. [/b][/size]

    Your Message To This Forum Was:

    Hey everyone,
    : I'm doing my final year project on Visual Cryptography, and I'm
    : basing it off the paper below:
    : http://lbms03.cityu.edu.hk/theses/c_ftt/mphil-cs-b39478154f.pdf
    :
    : I coded everything, according to what's described in section 3, but
    : the output seems to be off. I have a feeling I messed up the
    : contents of the Basis Matrices B0 and B1(PDF page 41/86). What's
    : more, I can't understand their construction, and the paper fails to
    : specify its contents even for the example they've shown (2-out of-2
    : color VCS for Lena image). It's so ambiguous I can't even figure out
    : if it should be a 2x2 or 2x4 matrix. Some help would be appreciated!
    :

  • saboor_amtulsaboor_amtul Posts: 4Member
    [size=1][b]Hello. I am a student and want to do research in this field. I am also stuck at basis matrix construction, since u were doing final year project, i am sure you must have done it till now. Kindly help me. I am sure you will be kind enough to feel the way I am feeling because you have gone through this time. So please guide me the construction method of the basis matrix. Thanks Alot. [/b][/size]

    Your Message To This Forum Was:

    Hey everyone,
    : I'm doing my final year project on Visual Cryptography, and I'm
    : basing it off the paper below:
    : http://lbms03.cityu.edu.hk/theses/c_ftt/mphil-cs-b39478154f.pdf
    :
    : I coded everything, according to what's described in section 3, but
    : the output seems to be off. I have a feeling I messed up the
    : contents of the Basis Matrices B0 and B1(PDF page 41/86). What's
    : more, I can't understand their construction, and the paper fails to
    : specify its contents even for the example they've shown (2-out of-2
    : color VCS for Lena image). It's so ambiguous I can't even figure out
    : if it should be a 2x2 or 2x4 matrix. Some help would be appreciated!
    :

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