[PDF] Top 20 A Robust DCT Based Digital Image Watermarking Using Fusion of Computational Intelligence Techniques

... our digital society, the major source of communication is digital media such as images, video, audio or ...of digital content remains an indispensable problem across the ...problem, digital ... See full document

... Spectrum based watermarking techniques exploited the Human Visual Systems(HVS) ...to watermarking techniques and it helps in understanding the entire concept as well as a motivation for ... See full document

... 8x8 DCT block are shown in Figure ...compression techniques, while avoiding significant modification of the cover ...8x8 DCT of an original image is taken. Then, two locations DCT (u1, ... See full document

... (SVD) based hybrid robust image watermarking method using Arnold scrambling is proposed and simulated to protect the copyright of natural ...cover image and encrypted watermark ... See full document

... Domain Watermarking, the watermark information is embedded in the transform ...Domain Watermarking. As discussed early, transformed domain watermarking schemes are more robust as compared to ... See full document

... Watermarking techniques can be categorized as spatial watermarking can also be applied using colour ...inspect digital pictures from a photo-stock house before buying unmarked ... See full document

... Digital watermarking schemes can be categorized as “visible” and “invisible” ...not robust against common image processing ...and robust than visible watermarks. In invisible ... See full document

... original image is directly used whereas in the frequency domain the original image is transformed to obtain its synonymous transformed- domain image and the coefficients of this image are ... See full document

... Abstract—Digital watermarking techniques have been developed to protect the copyright of multimedia objects such as text, audio, video, ...new digital watermarking algorithm with gray ... See full document

... for digital water marking of images is proposed in [7]. “Digital watermarking in the work presented was considered particularly on a satellite image by making use of the DCT algorithm ... See full document

... audio watermarking technique is tested on NOI ZEUS speech database [36–38] and MIR-1K music database ...booth using Tucker Davis Technologies recording ...performed using principal component analysis ... See full document

... semi-fragile watermarking scheme based on local binary pattern (LBP) operators, and note that it has a fundamental flaw in the ...fragile watermarking based on LBP operators is ...improved ... See full document

... the digital mul- timedia can be completely reconstructed without any ...of digital products [1]. For copy- right protection application of digital multimedia, copyright owner generally embeds a ... See full document

... block-based DCT transform segments an image non-overlapping block and applies DCT to each ...band. DCT –based watermarking is based on two ...the image. The ... See full document

... Transform using Singular Value Decomposition(SVD): DWT, DCT and SVD are combined in a zigzag way to satisfy the requirement of ...host image which decomposes the given image into four ...then ... See full document

... — Digital watermarking is used for protecting digital data from illegal manipulations and ...a robust solution to the problem occurs during intellectual property rights for online ... See full document

... Geometric attacks also called as de-synchronization attacks attempt to destroy synchronization of watermark detection. Thus it makes detection process difficult and sometimes even impossible. Geometrical distortions are ... See full document

... watermarked digital signal is transmitted or stored, usually transmitted to another ...the digital watermark through ...an image or video or intentionally adding ... See full document

... Early watermarking schemes operated directly in the covertext ...of watermarking systems; most of these choices are for reasons of convenience and traditional use in the specific domain, such as Fourier and ... See full document

... of digital contents a strong technique may be ...for digital data is provided by Digital ...original image also called as cover ...binary image or audio ...original image will ... See full document