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lsb substitution tohide the data in another data

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vasantha malairamar 2017-4-1

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https://ww2.mathworks.cn/matlabcentral/answers/333066-lsb-substitution-tohide-the-data-in-another-data

回答： Walter Roberson 2017-4-1

Enter the no of LSB bits to be subsituted- 5 Error using bitcmp ASSUMEDTYPE must be an integer type name.

Error in Steg (line 15) S = uint8(bitor(bitand(x,bitcmp(2^n-1,8)),bitshift(y,n-8))); %Stego

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Walter Roberson 2017-4-1

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/333066-lsb-substitution-tohide-the-data-in-another-data#answer_261302

bitcmp cannot be used to complement only one bit: it does all of the bits at the same time.

You can bitset to set a bit to bitcmp of an extracted bit.

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