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Tamper Detection and Identification of Cropped Blocks in JPEG Images

by Athulya B, Manoj Ray D
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 70 - Number 20
Year of Publication: 2013
Authors: Athulya B, Manoj Ray D
10.5120/12187-8295

Athulya B, Manoj Ray D . Tamper Detection and Identification of Cropped Blocks in JPEG Images. International Journal of Computer Applications. 70, 20 ( May 2013), 36-39. DOI=10.5120/12187-8295

@article{ 10.5120/12187-8295,
author = { Athulya B, Manoj Ray D },
title = { Tamper Detection and Identification of Cropped Blocks in JPEG Images },
journal = { International Journal of Computer Applications },
issue_date = { May 2013 },
volume = { 70 },
number = { 20 },
month = { May },
year = { 2013 },
issn = { 0975-8887 },
pages = { 36-39 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume70/number20/12187-8295/ },
doi = { 10.5120/12187-8295 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T21:33:25.121050+05:30
%A Athulya B
%A Manoj Ray D
%T Tamper Detection and Identification of Cropped Blocks in JPEG Images
%J International Journal of Computer Applications
%@ 0975-8887
%V 70
%N 20
%P 36-39
%D 2013
%I Foundation of Computer Science (FCS), NY, USA
Abstract

In this paper a detailed study regarding Digital Image Forgery on Jpeg images is provided. Here, copy-paste block detection on a special case of double Jpeg compression - Shifted Double Jpeg Compression, is identified based on the characteristics of Double Jpeg compression. In certain cases the tampered image will be cropped, the paper uses properties of Block Artifacting method to identify such a scenario.

References
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Index Terms

Computer Science
Information Sciences

Keywords

Digital Image Forgery Copy-paste block detection Shifted Double Jpeg Compression Block Artifact

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