A Comparative Analysis of Information Hiding Techniques for Copyright Protection of Text Documents

<table class="fixed-width table-group" id="tab19"><tr><td><table class="table"><colgroup><col style="width:18.00em"/><col style="width:18.00em"/><col style="width:18.00em"/></colgroup><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Factors</td><td class="align_center">Linguistic (natural language)</td><td class="align_center">Structural</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Language compatibility</td><td class="align_center">Exclusive special language</td><td class="align_center">Multilingual</td></tr><tr><td class="align_left">Embedding capacity</td><td class="align_center">Low</td><td class="align_center">Medium and high</td></tr><tr><td class="align_left">Meaning alteration of text content</td><td class="align_center">Alters the meaning</td><td class="align_center">No effect on text content</td></tr><tr><td class="align_left">Invisibility</td><td class="align_center">Imperceptible</td><td class="align_center">Imperceptible</td></tr><tr><td class="align_left">Computational complexity</td><td class="align_center">Very large (due to the search algorithm in dictionary and replacement of words)</td><td class="align_center">Medium (embedding in special locations)</td></tr><tr><td class="align_left">Robustness against conventional attacks</td><td class="align_center">Low</td><td class="align_center">Modest</td></tr><tr><td class="align_left">Security</td><td class="align_center">Medium safety</td><td class="align_center">Optimum safety</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparison of the two major techniques (linguistic and atructural).</div>

Security and Communication Networks

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Table 19

Table 19: A Comparative Analysis of Information Hiding Techniques for Copyright Protection of Text Documents 