Fragile Watermarking Scheme for Relational Database


Existing System

Database integrity has long been considered one of the three pillars in the database security arena, together with authentication and authorization (access control).

But the research of database integrity mainly focuses on semantic integrity constraints, which are rules defining the correct states of the database. Traditional approaches use verification information such as message authentication codes (MAC) and ....etc

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Dear sir,
i am currently working on the paper attached to this request.
Try to implement the attached paper.send the matlab code to me.
analysis notes to this paper also send to me.
solvation methods for this paper can be send to me.

thanking you sir.

Regards By
n.ajeeshvali ....etc

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Video Watermarking using Integer-to-Integer Discrete Wavelet Transform (Java)
Proceedings on Digital Watermarking, TENCON

Abstract:
This paper proposes a novel video watermarking technique to embed a digital watermark in video data using integer-to-integer discrete wavelet transform. The watermark is embedded in the lowest frequency components of each frame. The method exploits features of the human visual system. The watermark can be extracted directly from the decoded video without access to the original video. Experimental resul ....etc

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CHAOTIC WATERMARKING SCHEME FOR AUTHENTICATION OF JPEG IMAGES
VISAKH VIJAYAN
S7 ECE
NO : 71
College of Engineering, Trivandrum
2007-11 batch



OUTLINE
INTRODUCTION
WATERMARK EMBEDDING
WATERMARK EMBEDDING PROCESS
WATERMARK EXTRACTION & AUTHENTICATION
CONCLUSION
REFERENCE

INTRODUCTION
Watermarking: Process of embedding digital signal (information) in a way that is difficult to remove.
Information may be text or a logo which is used for identification and authentication ....etc

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to get information about the topic wavelet transform watermarking related topic refer the page link bellow

http://seminarsprojects.net/Thread-a-digital-watermark-based-on-the-wavelet-transform-and-its-robustness-on-image

http://seminarsprojects.net/Thread-multiresolution-watermark-based-on-wavelet-transform-for-digital-images?pid=52718&mode=threaded

http://seminarsprojects.net/Thread-an-effective-wavelet-based-watermarking-scheme-using-human-visual-system

http://seminarsprojects.net/Thread-digital-image-watermarking?pid=40651&mode=thread ....etc

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Can you please send me the various transforms like discrete cosine transform, discrete wavelet transform etc.. used in image watermarking with a list of their advantages, disadvantages when used in image watermarking.. ....etc

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Today, as the digitization develops day by day, the protection
of digital information becomes an urgent problem.
In order to resist different kinds of infringement, a new
technology that called watermarking had been put forward
to in the international scope. Watermark is sequence
carrying information about the copyright owner
to embed into the digital image , audios and videos in
order that owners can read it out while unauthorized users
cannot1 easily remove it.
There are many methods to embed the watermark. It
can be divided into ....etc

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INTRODUCTION
THE DISCRETE FOURIER TRANSFORM (DFT) is one of the most funtamental operations in digital signal processing. Because of the efficiency of the convolutional property, the DFT is often used in linear filtering found in many applications such as quantum mechanics, noise reduction and image re-construction. However, the computational requirements for completing the DFT of a finite length signal are relatively intensive. In particular, if the input signal has length N, directly calculating its DFT requires N 2 complex multiplications ( ....etc

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Introduction
The DSP world today is ruled by different transforms. Discrete Fourier transforms are most used. So is the fast Fourier transform, which is the faster version of DFT. Suppose we take FFT of a signal. On taking the inverse fast Fourier transform, we except the output to be the same as the input. This is called the invertibility property. But on most occasions, disappointment is the result. This is due to the finite word length of the registers used to store the samples and the coefficients. This seminar introduces a method called i ....etc

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DWT Based Blind Digital Video Watermarking Scheme for
Video Authentication


INTRODUCTION

Video is a three-dimensional array of color pixels. Two
dimensions serve as spatial (horizontal and vertical) directions of
the moving pictures, and one dimension represents the time
domain . Digital video offers a number of advantages over
analog video, including the ease of sharing and storage, no
degradation of data quality when replicated, easy and inexpensive
copying and the capa ....etc

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