DWT-Based Watermarking Using QR Code

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概要

• 論文の詳細を見る

• Increased commercial activity on the Internet and media industries demandsprotection of multimedia contents. In this paper, we introduce a novel watermarkingmethod to embed QR codes in digital images. The method is based on discrete wavelettransform (DWT). The original image is divided into blocks, and QR codes are added toparticular bits of LL2 level coefficients of the selected block according to the visual maskingeffect of the human visual system. It has been shown that this method is robust for JPEGcompression and has good transparency. The embedded information can be extractedcorrectly even if the images are compressed to 11% of the original according to the contentsof the images.

• 神奈川大学の論文

著者

• Zhang Shanjun

  Department Of Computer Science The Faculty Of Science Kanagawa University

• Yoshino Kazuyoshi

  Department of Welfare Systems Engineering, Kanagawa Institute of Technology

関連論文

• DWT-Based Watermarking Using QR Code
• A Rule-Based Expert System for Automatic Segmentation of Cerebral MRI Images

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