watermark embedding
Optimal watermark embedding combining spread spectrum and quantization
... optimal watermark embedding method combining spread spectrum and ...multiple-bit watermark, and meanwhile, the quantized signal is made to locate in the detectable region defined in the context of ...
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A New Robust Blind Watermarking Scheme Based on Steerable pyramid and DCT using Pearson product moment correlation
... of watermark embedding, SP is performed on original host image, and corresponding oriented sub-band is selected to carry the ...the watermark are embedded in low and mid-frequency of DCT ...
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A Compound Blind Digital Watermarking Technique for Image Authentication and Integrity using DCT and VC
... Multiple Watermark Embedding (MWE) extends SWE to embed multiple watermarks in the same ...the watermark is not embedded directly into the digital ...
5
Review of Digital Watermarking Techniques
... Now a days, billions of bits of information bring into existence in every half a second. And due to great acceptance of the Internet along with expeditious evolution of multimedia technology, users have more likelihood ...
5
A Robust DCT based Digital Image Watermarking using Random Mid band Coefficient Exchange Scheme for Gray Scale Images
... This paper presents a scheme for image watermarking based on random selection of 2 middle-band coefficients of DCT domain. Moreover, sequence of 4 bit is mapped in to unique sequence of 8 bits. This provides robustness ...
5
Block based Adaptive Image Watermarking Scheme using Visual Perception Model in DCT Domain
... for watermark embedding to maximum value of 904 for a 256 × 256 ...The watermark signal, containing 0 bits and 1 bit, was generated ...the watermark insertion and also achieving high ...
5
Using DWT, DCT and DFT creating Water marking & Image Transforms
... a watermark as binary image of Burapha University ...the embedding process on QR code image utilizing ...embedded watermark we do not require the pristine QR code image subsequently In our algorithm ...
7
Hybrid Data Hiding Scheme in Images using DWT DCT and SVD
... the watermark in to the host image. Watermark embedding into the component of spatial-domain of the host image is a straightforward ...the watermark by controlling the magnitude of ...
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An Efficient Watermarking Technique Using Genetic Algorithm for Relational Data Sreesha K S 1, Jincy Easow2 , Prof. Jisha P Abraham 3
... Where MI(A,B) measures the degree of correlation of features by measuring the marginal probability distributions as PA(a), PB(b) and the joint probability distribution PAB(a, b). Then MI of one feature with all other ...
5
VIDEO ENCODING WITH AUTHENTICATION USING MULTIWAVELET TRANSFORM http://u-o-i.org/1.01/ijrpet/62619523
... as watermark insertion or watermark embedding, constitute the method of inserting information into multimedia data also called original data or cover data, The embedded information or the ...
5
Secure Embedding of a Robust Imperceptible Watermark in Relational data
... to watermark relational ...The embedding process of each short string is based on creating a double-space at a location determined by the decimal equivalent of the short ...image watermark is then ...
5
Embedding and Extracting Digital Watermark Based on DCT Algorithm
... The watermark information is trapped in the low frequency coefficient, which is sensitive to the human eye, which will cause a significant drop in the quality of the carrier image; embedding the high ...
12
ADAPTATIVE IMAGE WATERMARKING SCHEME BASED ON NEURAL NETWORK
... when embedding additional data, given their importance to clinical diagnosis, treatment, and ...The watermark was inserted into the middle frequency coefficients of the cover image’s blocked DCT based ...
9
Nested Digital Image Watermarking Technique Using Blowfish Encryption Algorithm
... digital watermark embedding and extraction in which a nested watermark (a watermark inside another watermark) is embedded into the main ...the watermark embedding ...
6
Gaussian Noise attack Analysis of Non Blind Multiplicative Watermarking using 2D-DWT
... of embedding strategy for watermark embedding and extraction and then analyzing the PSNR and SNR of the extracted watermark with original watermark and between uncommon, noted image and ...
6
SECURE DYNAMIC SYSTEM DEVELOPMENT METHOD (SDSDM): A SURVEY ABOUT ITS SUITABILITY
... better embedding distortion in terms of PSNR and flicker(flicker is a perceptual attribute of displays) ...the watermark into histogram bins of frames in the one-level DWT ...the watermark is to be ...
11
Image Watermarking by DWT and Neural Network Model
... the watermark and the original message separately to verify whether he has received flawless message by the correct ...the watermark into the host ...The watermark can be an image or a text which has ...
5
OFF LINE SIGNATURE VERIFICATION SYSTEM BASED ON DWT AND COMMON FEATURES EXTRACTION
... the watermark embedding space (the watermark embedding space should not be too small otherwise the secret key could be easily decoded and ...the watermark which is going to be embedded, ...
7
A Modified Hardware Efficient Watermarking Scheme for Intellectual Property Protection in Sequential Circuits
... for embedding watermarks in state transition graph is presented in this ...of embedding the watermark in the STG with minimal hardware overhead and at the same time keeping the watermarked machine ...
6
Lossless Visible Watermarking for Video
... a watermark to another ...a watermark in the shape of a copyright symbol ("©") to previews of their images, so that the previews do not substitute for high-quality copies of the product included ...
5