NDLI: A JPEG resistance watermarking technique in wavelet domain based on Turbo Codes

Content Provider	IEEE Xplore Digital Library
Author	Rahimi, Mohammad Reza Arabzadeh, Mohammad Danyali, Habibollah Kazemi, Kamran
Copyright Year	2011
Description	Author affiliation: Department of Electrical and Electronic Engineering, Shiraz University of Technology Modarres Bolvd. P.O. Box 71555-313, Shiraz, Iran (Rahimi, Mohammad Reza; Arabzadeh, Mohammad; Danyali, Habibollah; Kazemi, Kamran) In this paper, a new method for blind image water-marking using DWT coefficients of host image and TurboCodes is proposed. To achieve robustness against JPEG compression the watermark is encoded via Turbo Code encoder before embedding. This encoding results in a redundancy that is used at receiver end for detection and correction of errors. Then we apply DWT by three level and watermark bits are embedded into coefficients in the middle frequency subbands. At receiver, extracted bits are decoded and watermark is obtained after Turbo decoding. The main goal of this paper is increasing robustness using Turbo Codes. We investigate this method with simulation and using a variety of standard test images. Simulation results prove performance of proposed scheme. With this method we can extract watermark after compression with QF=20% perfectly.
Starting Page	1
Ending Page	4
File Size	636708
Page Count	4
File Format	PDF
ISBN	9781457707308
e-ISBN	9789644634284
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-17
Publisher Place	Iran
Access Restriction	Subscribed
Rights Holder	AmirKabir Univ of Tech
Subject Keyword	Image coding Transform coding Watermarking Turbo codes Robustness Discrete wavelet transforms Decoding
Content Type	Text
Resource Type	Article

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