image copy move forgery detection ppt

What is the best algorithm for copy-move forgery detection (CMFD)?
A copy-move forgery is created by copying and pasting content within the same image, and potentially postprocessing it. In recent years, the detection of copy-move forgeries has become one of the most actively researched topics in blind image forensics. A considerable number of different algorithms have been proposed focusing on different types of postprocessed copies.In our paper An Evaluation of Popular Copy-Move Forgery Detection Approa ....etc

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if you again feel trouble on detection of digital image forgery please reply in that page and ask specific fields in detection of digital image forgery ....etc

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Image compression is the application of data compression in digital images. Image compression can be lossy or lossless. This document attempts to implement basic JPEG compression using only basic MATLAB functions. In this work, lossy compression techniques have been used, where data loss can not affect the clarity of the image in this area. Image compression solves the problem of reducing the amount of data needed to represent a digital image. It is also used to reduce redundancy which is no more than avoiding duplic ....etc

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matlab code for copy move forgery detection using dct

%L = imread('images/lena3.jpg');
L = imread('images/Toronto2_F.png');
L=rgb2gray(L);
figure(1);
imshow(L);

b=256; % block size used to look for duplicates
b1=sqrt(b);
Nn = 5; % how many close rows to check
Nd = 15; %Threashold
Nc=26; % Truncate PCA at this length
Nt=26;

% calculate the total size of the image
n = numel(L);

b2 = sqrt(n)-sqrt(b)+1;
% calculate Nb
Nb= power((sqrt(n)-sqrt(b)+1),2);

% the matix of Nc plus the position
M=zeros(Nb, Nc);
% temp index array
Mi = zeros(Nb, 2); ....etc

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A Multiple Source Single Destination File Copy Move Utility ....etc

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Abstract

Each image has its own unique characteristics or properties. When we edit an image we are changing these characteristics and by examining the changes in the characteristics we can determine whether the image is edited or not. Image editing can be of two types, usual editing and copy move forgery. In copy-move forgery a part of original digital image is copied and pasted to another part in the same original image to make it, forged one. Because the copied part comes from the same image, its important properties will be compatible with ....etc

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to get information about the topic vhdl code for image compression using dct full report ppt and related topic refer the page link bellow

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http://seminarsprojects.net/Thread-image-compression-using-wedgelets?pid=46957&mode=threaded ....etc

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to get information about the topic forgery detection in image full report refer the page link bellow

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