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INTERNATIONAL JOURNAL OF SCIENTIFIC DEVELOPMENT AND RESEARCH International Peer Reviewed & Refereed Journals, Open Access Journal ISSN Approved Journal No: 2455-2631 | Impact factor: 8.15 | ESTD Year: 2016 open access , Peer-reviewed, and Refereed Journals, Impact factor 8.15 |
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| Paper Title: | A Three Level Discrete Wavelet Transform for Digital Image Watermarking |
| Authors Name: | Mahesha A.M , Dr. Ganashree T.S , Dr. Satyanarayana Reddy K |
| Unique Id: | IJSDR1907028 |
| Published In: | Volume 4 Issue 7, July-2019 |
| Abstract: | In today’s world of digitized documents, providing the security to the data is an important task. In the research field it gained a considerable interest towards providing the security and maintaining the ownership of the digital document. Digital watermarking has proven successfully in providing a security to copyright of digitized data. In this paper, proposed a digital watermarking using Discrete Wavelet Transformation (DWT) to embed the watermark image in the cover image. Transformation is applied on cover image; watermark image is inserted into selected coefficient blocks of the cover image. To check the visual quality of the watermarked image and also to evaluate the extracted watermark image, Inverse DWT (IDWT) is applied on host image to extract the watermark image. Parameters, Peak signal to Noise Ratio (PSNR) measured between host image and the watermarked image, Normalized Coefficient (NC) calculated between input watermark image and extracted watermark image. Watermarking process is performed using Matlab software to obtain the result PSNR=44.975 and NC= 0.9987. |
| Keywords: | Inverse Discrete Wavelet Transformation, Imperceptibility, Gray Scale Image, Copyright, Authentication |
| Cite Article: | "A Three Level Discrete Wavelet Transform for Digital Image Watermarking", International Journal of Science & Engineering Development Research (www.ijsdr.org), ISSN:2455-2631, Vol.4, Issue 7, page no.163 - 171, July-2019, Available :http://www.ijsdr.org/papers/IJSDR1907028.pdf |
| Downloads: | 000337072 |
| Publication Details: | Published Paper ID: IJSDR1907028 Registration ID:190784 Published In: Volume 4 Issue 7, July-2019 DOI (Digital Object Identifier): Page No: 163 - 171 Publisher: IJSDR | www.ijsdr.org ISSN Number: 2455-2631 |
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