کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
459369 696244 2008 12 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Adaptive watermark mechanism for rightful ownership protection
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر شبکه های کامپیوتری و ارتباطات
پیش نمایش صفحه اول مقاله
Adaptive watermark mechanism for rightful ownership protection
چکیده انگلیسی

Watermarking is used to protect the integrity and copyright of images. Conventional copyright protection mechanisms; however, are not robust enough or require complex computations to embed the watermark into the host image. In this article, we propose an adaptive copyright protection scheme without the use of discrete cosine transformation (DCT) and discrete wavelet transformation (DWT). This novel approach allows image owners to adjust the strength of watermarks through a threshold, so that the robustness of the watermark can be enhanced. Moreover, our scheme can resist various signal processing operations (such as blurring, JPEG compression, and noising) and geometric transformations (such as cropping, rotation, and scaling). The experimental results show that our scheme outperforms related works in most cases. Specifically, our scheme preserves the data lossless requirement, so it is suitable for medical and artistic images.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Systems and Software - Volume 81, Issue 7, July 2008, Pages 1118–1129
نویسندگان
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