Color-based Watermarking Algorithm for Text Documents
Jinbiao Liu · Jisuanji gongcheng · 2005
This article presents the watermarking algorithm for text documents which based on the feature that human's eye has the weakestsensitivity to the blue color by modifying the blue elements of chars to make watermarking information embed in text documents. And this kind ofalgorithm has the superiorities of huge watermarking capacity and strong robustness which can make up the weakpoints of the current situation ofwatermarking algorithm for text documents which are weak robustness and small watermarking capacity according to theoretical analysis and theoutcome of the test. The algorithm therefore has a promising prospect of wide use in the fields of the copyright protection of the electronic textdocuments etc.