[PDF] Top 20 Halftone Image Watermarking based on Visual Cryptography
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Halftone Image Watermarking based on Visual Cryptography
... digital watermarking scheme for halftone images based on visual cryptography ...the halftone image instead watermark will be divided into the parts called as ...2) ... See full document
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Implementation of DWT SVD Based Secured Image Watermarking For Copyright Protection Using Visual Cryptography
... rough watermarking technique for copyright protection based on Discrete Wavelet Transform and Singular Value Decomposition is to ...cover image is modified by changing its singular ...of ... See full document
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A Visual Cryptographic Scheme To Secure Image Shares Using Digital Watermarking
... human visual system averages their individual black/white ...the visual system of the users as black if H (V) ≥ d and as white if H(V) < d – αm for some fixed threshold 1 ≤ d ≤ m and relative difference ... See full document
5
Visual Attention-based Image Watermarking
... any watermarking algorithm. Low strength watermarking yields high impercepti- bility but exhibits poor ...strength watermarking schemes achieve good robustness but often infuse distortions resulting ... See full document
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Nesting Of Image Watermarking Using Rlsb Technique
... of Cryptography based Digital image watermarking technique to enhancing the security of the watermark data with the use of blind watermarking technique where it uses Watermark nesting ... See full document
8
Non Expanded Visual Cryptography for Color Images using Pseudo-Randomized Authentication
... of Visual Cryptography (VC). Visual cryptography scheme is a cryptographic technique which allows visual information ...human visual system(HVS), without the aid of ...for ... See full document
8
Visual attention based image watermarking
... in watermarking work is often evaluated using the objective metrics, like PSNR, in the watermarking ...are based on mathematical models, they do not represent the accurate perceived ...assessment ... See full document
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A Design Approach to Secure Data Transmission in Network Centric Warfare Systems
... is based web based server there is possibility of server being attacked by ...developed based on Image cryptography. Based on this approach, the image cryptography ... See full document
6
A Comprehensive Study on Securing Visual Cryptographical Image Shares Using Digital Watermarking
... secret image and the use of ordered dithering technique with respect to error diffusion technique in the halftoning ...the visual quality of the revealed image is not good and low in ...secret ... See full document
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A Review on Visual Secret Sharing Schemes
... Earlier visual cryptography techniques are limited to binary ...level image into ...the halftone visual ...a halftone cell having an array of sub pixels. Halftone shares ... See full document
5
Image Encryption Technique Based on Visual Cryptography
... Joint visual cryptography and watermarking (JVW) ...a watermarking technique for visual ...Both halftone watermarking and visual cryptography involve a ... See full document
6
Visual Secret Sharing Scheme Using Encrypting Multiple Images
... secret image can be obtained one by one by loading the first share and the rotated second shares with n different rotation ...of image and to remove the limitation of transparencies to be circular, Fang [4] ... See full document
6
New Image Broadcasting based on Visual Cryptography and Steganography
... It is clear from Table 2, that the PSNR value observed up to 55 dB. It shows that the proposed system is high imperceptibility, secure. Normalized Cross Correlation between the cover and stego-image observes ... See full document
5
A Visual Cryptography Based Digital Image Copyright Protection
... digital image copyright protection based on the visual cryp- ...2) visual thresh- old scheme defined by ...black/white image as his/her watermark pattern P and a key S which must be ... See full document
9
PERFORMANCE EVALUATION OF A VISUAL CRYPTOGRAPHY USING HALFTONE IMAGES
... secret image will be ...secret image contain 4 times more pixels than the original image (since each pixel of the original image was mapped to four sub pixels) ...recovered image has a ... See full document
9
Dual Image Watermarking Scheme based on Singular Value Decomposition and Visual Cryptography in Discrete Wavelet Transform
... proposed image watermarking scheme is evaluated through several attacks such as JPEG compression, Rotation, Median filtering, cropping, scaling, impulse noise injection, Gaussian noise injection, blurring, ... See full document
8
Secret Image sharing by use of Chaos based Visual Cryptography
... chaos based visual cryptography, which is the combination of chaos based image encryption and secret image sharing using visual ...apply visual cryptography ... See full document
11
A secured approach for sharing critical data on halftone image Using advance visual cryptography
... Visual cryptography is a secret sharing scheme, related on black and white ...secret image. Recovery of secret image can be done by imposing The share images and, hence, the decoding process ... See full document
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Performance of Error Filters on Shares in Halftone Visual Cryptography via Error Diffusion
... Visual cryptography encodes a secret binary image (SI) into shares of random binary ...a visual cryptography scheme, which differs from traditional secret sharing, does not need any ... See full document
8
A Visual Cryptography based Watermarking Scheme Incorporating the Concepts of Homogeneity Analysis and Singular Value Decomposition
... document, image, audio, and video ...Digital watermarking is one such technique, that embeds a meaningful signature or some owner information called as the watermark into the cover host image for ... See full document
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