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The authenticity of images posted on social media is an issue of growing concern. Many algorithms have been developed to detect manipulated images, but few have investigated the ability of deep neural network based approaches to verify the…

Computer Vision and Pattern Recognition · Computer Science 2019-02-12 M. Goebel , A. Flenner , L. Nataraj , B. S. Manjunath

Recent advances in neural networks for content generation enable artificial intelligence (AI) models to generate high-quality media manipulations. Here we report on a randomized experiment designed to study the effect of exposure to media…

Computer Vision and Pattern Recognition · Computer Science 2022-02-28 Matthew Groh , Ziv Epstein , Nick Obradovich , Manuel Cebrian , Iyad Rahwan

Detection of different types of image editing operations carried out on an image is an important problem in image forensics. It gives the information about the processing history of an image, and also can expose forgeries present in an…

Computer Vision and Pattern Recognition · Computer Science 2018-08-24 Aniruddha Mazumdar , Jaya Singh , Yosha Singh Tomar , Prabin Kumar Bora

Identifying academic plagiarism is a pressing problem, among others, for research institutions, publishers, and funding organizations. Detection approaches proposed so far analyze lexical, syntactical, and semantic text similarity. These…

Information Retrieval · Computer Science 2021-06-11 Norman Meuschke

Online media data, in the forms of images and videos, are becoming mainstream communication channels. However, recent advances in deep learning, particularly deep generative models, open the doors for producing perceptually convincing…

Computer Vision and Pattern Recognition · Computer Science 2022-12-13 Junke Wang , Zhenxin Li , Chao Zhang , Jingjing Chen , Zuxuan Wu , Larry S. Davis , Yu-Gang Jiang

Detecting manipulated images has become a significant emerging challenge. The advent of image sharing platforms and the easy availability of advanced photo editing software have resulted in a large quantities of manipulated images being…

Computer Vision and Pattern Recognition · Computer Science 2019-11-26 Peng Zhou , Bor-Chun Chen , Xintong Han , Mahyar Najibi , Abhinav Shrivastava , Ser Nam Lim , Larry S. Davis

Realistic image forgeries involve a combination of splicing, resampling, cloning, region removal and other methods. While resampling detection algorithms are effective in detecting splicing and resampling, copy-move detection algorithms…

The digital images from various sources are ubiquitous due to easy availability of high bandwidth Internet. Digital images are easy to tamper with good or bad intentions. Non-availability of pre-embedded information in digital images makes…

Computer Vision and Pattern Recognition · Computer Science 2022-04-20 Kshipra Tatkare , Manoj Devare

Near- and duplicate image detection is a critical concern in the field of medical imaging. Medical datasets often contain similar or duplicate images from various sources, which can lead to significant performance issues and evaluation…

Computer Vision and Pattern Recognition · Computer Science 2024-06-14 Tuan Truong , Farnaz Khun Jush , Matthias Lenga

Recent breakthroughs in deep learning and generative systems have significantly fostered the creation of synthetic media, as well as the local alteration of real content via the insertion of highly realistic synthetic manipulations. Local…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Anmol Manjunath , Viola Negroni , Sara Mandelli , Daniel Moreira , Paolo Bestagini

Examining the authenticity of images has become increasingly important as manipulation tools become more accessible and advanced. Recent work has shown that while CNN-based image manipulation detectors can successfully identify…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Hailey Joren , Otkrist Gupta , Dan Raviv

Hackers and spammers are employing innovative and novel techniques to deceive novice and even knowledgeable internet users. Image spam is one of such technique where the spammer varies and changes some portion of the image such that it is…

Computer Vision and Pattern Recognition · Computer Science 2018-10-10 Amara Dinesh Kumar , Vinayakumar R , Soman KP

Resampling is an important signature of manipulated images. In this paper, we propose two methods to detect and localize image manipulations based on a combination of resampling features and deep learning. In the first method, the Radon…

Image splicing is a common form of image forgery. Such alterations may leave no visual clues of tampering. In recent works camera characteristics consistency across the image has been used to establish the authenticity and integrity of…

Computer Vision and Pattern Recognition · Computer Science 2011-05-25 H. R. Chennamma , Lalitha Rangarajan

The rapid evolution of digital image manipulation techniques poses significant challenges for content verification, with models such as stable diffusion and mid-journey producing highly realistic, yet synthetic, images that can deceive…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Alejandro Marco Montejano , Angela Sanchez Perez , Javier Barrachina , David Ortiz-Perez , Manuel Benavent-Lledo , Jose Garcia-Rodriguez

The massive spread of visual content through the web and social media poses both challenges and opportunities. Tracking visually-similar content is an important task for studying and analyzing social phenomena related to the spread of such…

Information Retrieval · Computer Science 2022-03-15 Hana Matatov , Mor Naaman , Ofra Amir

Copy-move forgery is the most popular and simplest image manipulation method. In this type of forgery, an area from the image copied, then after post processing such as rotation and scaling, placed on the destination. The goal of Copy-move…

Multimedia · Computer Science 2017-01-03 Ghassem Alikhajeh , Abdolreza Mirzaei , Mehran Safayani , Meysam Ghaffari

With the ongoing popularization of online services, the digital document images have been used in various applications. Meanwhile, there have emerged some deep learning-based text editing algorithms which alter the textual information of an…

Multimedia · Computer Science 2021-09-13 Lin Zhao , Changsheng Chen , Jiwu Huang

Paraphrase plagiarism is one of the difficult challenges facing plagiarism detection systems. Paraphrasing occur when texts are lexically or syntactically altered to look different, but retain their original meaning. Most plagiarism…

Information Retrieval · Computer Science 2018-01-01 Victor Thompson

Despite the effort put into the detection of academic plagiarism, it continues to be a ubiquitous problem spanning all disciplines. Various tools have been developed to assist human inspectors by automatically identifying suspicious…

Information Retrieval · Computer Science 2018-01-26 Maurice-Roman Isele