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Related papers: Image compression using anti-forensics method

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The field of image composition is constantly trying to improve the ways in which an image can be altered and enhanced. While this is usually done in the name of aesthetics and practicality, it also provides tools that can be used to…

Computer Vision and Pattern Recognition · Computer Science 2016-01-14 Victor Schetinger , Massimo Iuliani , Alessandro Piva , Manuel M. Oliveira

One of the most terrifying phenomenon nowadays is the DeepFake: the possibility to automatically replace a person's face in images and videos by exploiting algorithms based on deep learning. This paper will present a brief overview of…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Luca Guarnera , Oliver Giudice , Cristina Nastasi , Sebastiano Battiato

As image tampering becomes ever more sophisticated and commonplace, the need for image forensics algorithms that can accurately and quickly detect forgeries grows. In this paper, we revisit the ideas of image querying and retrieval to…

Computer Vision and Pattern Recognition · Computer Science 2019-04-12 Joel Brogan , Paolo Bestagini , Aparna Bharati , Allan Pinto , Daniel Moreira , Kevin Bowyer , Patrick Flynn , Anderson Rocha , Walter Scheirer

Forgery facial images and videos have increased the concern of digital security. It leads to the significant development of detecting forgery data recently. However, the data, especially the videos published on the Internet, are usually…

Computer Vision and Pattern Recognition · Computer Science 2023-02-14 Jiajun Huang , Xinqi Zhu , Chengbin Du , Siqi Ma , Surya Nepal , Chang Xu

Digital Photo images are everywhere, on the covers of magazines, in newspapers, in courtrooms, and all over the Internet. We are exposed to them throughout the day and most of the time. Ease with which images can be manipulated; we need to…

Computer Vision and Pattern Recognition · Computer Science 2013-02-14 S. Murali , Govindraj B. Chittapur , Prabhakara H. S , Basavaraj S. Anami

Image-based biometrics can aid law enforcement in various aspects, for example in iris, fingerprint and soft-biometric recognition. A critical precondition for recognition is the availability of sufficient biometric information in images.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Sandra Bergmann , Denise Moussa , Christian Riess

Image forensics aims to detect the manipulation of digital images. Currently, splicing detection, copy-move detection and image retouching detection are drawing much attentions from researchers. However, image editing techniques develop…

Multimedia · Computer Science 2018-02-20 Yuanfang Guo , Xiaochun Cao , Wei Zhang , Rui Wang

PRNU based camera recognition method is widely studied in the image forensic literature. In recent years, CNN based camera model recognition methods have been developed. These two methods also provide solutions to tamper localization…

Image and Video Processing · Electrical Eng. & Systems 2020-05-06 Ahmet Gökhan Poyraz , Ahmet Emir Dirik , Ahmet Karaküçük , Nasir Memon

Digital fingerprinting is a framework for marking media files, such as images, music, or movies, with user-specific signatures to deter illegal distribution. Multiple users can collude to produce a forgery that can potentially overcome a…

Information Theory · Computer Science 2011-11-16 Dustin G. Mixon , Christopher J. Quinn , Negar Kiyavash , Matthew Fickus

Image forensic plays a crucial role in both criminal investigations (e.g., dissemination of fake images to spread racial hate or false narratives about specific ethnicity groups) and civil litigation (e.g., defamation). Increasingly,…

Cryptography and Security · Computer Science 2020-10-20 Ehsan Nowroozi , Ali Dehghantanha , Reza M. Parizi , Kim-Kwang Raymond Choo

Contrast enhancement (CE) forensics has always been ofconcern to image forensics community. It can provide aneffective tool for recovering image history and identifyingtampered images. Although several CE forensic algorithmshave been…

Multimedia · Computer Science 2019-02-11 Pengpeng Yang , Rongrong Ni , Yao Zhao , Gang Cao , Wei Zhao

In the past years, numerous methods have been introduced to reliably detect digital face image manipulations. Lately, the generalizability of these schemes has been questioned in particular with respect to image post-processing. Image…

Computer Vision and Pattern Recognition · Computer Science 2021-03-08 Christian Rathgeb , Kevin Bernardo , Nathania E. Haryanto , Christoph Busch

With the aim of evaluating image forensics tools, we propose a methodology to create forgeries traces, leaving intact the semantics of the image. Thus, the only forgery cues left are the specific alterations of one or several aspects of the…

Image and Video Processing · Electrical Eng. & Systems 2021-05-07 Quentin Bammey , Tina Nikoukhah , Marina Gardella , Rafael Grompone , Miguel Colom , Jean-Michel Morel

Image compression is a fundamental technology for Internet communication engineering. However, a high compression rate with general methods may degrade images, resulting in unreadable texts. In this paper, we propose an image compression…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Shohei Uchigasaki , Tomo Miyazaki , Shinichiro Omachi

We demonstrate that modern image recognition methods based on artificial neural networks can recover hidden information from images protected by various forms of obfuscation. The obfuscation techniques considered in this paper are mosaicing…

Cryptography and Security · Computer Science 2016-09-08 Richard McPherson , Reza Shokri , Vitaly Shmatikov

Nowadays advanced image editing tools and technical skills produce tampered images more realistically, which can easily evade image forensic systems and make authenticity verification of images more difficult. To tackle this challenging…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Jing Hao , Zhixin Zhang , Shicai Yang , Di Xie , Shiliang Pu

Camera fingerprints are precious tools for a number of image forensics tasks. A well-known example is the photo response non-uniformity (PRNU) noise pattern, a powerful device fingerprint. Here, to address the image forgery localization…

Computer Vision and Pattern Recognition · Computer Science 2018-08-30 Davide Cozzolino , Luisa Verdoliva

Digital image forensics aims to detect images that have been digitally manipulated. Realistic image forgeries involve a combination of splicing, resampling, region removal, smoothing and other manipulation methods. While most detection…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Lakshmanan Nataraj , Michael Goebel , Tajuddin Manhar Mohammed , Shivkumar Chandrasekaran , B. S. Manjunath

In this paper we introduce a new digital image forensics approach called forensic similarity, which determines whether two image patches contain the same forensic trace or different forensic traces. One benefit of this approach is that…

Computer Vision and Pattern Recognition · Computer Science 2020-04-22 Owen Mayer , Matthew C. Stamm

DeepFake, an AI technology for creating facial forgeries, has garnered global attention. Amid such circumstances, forensics researchers focus on developing defensive algorithms to counter these threats. In contrast, there are techniques…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Bing Fan , Shu Hu , Feng Ding