Results 21 to 30 of about 43,456,537 (251)

Color-decoupled photo response non-uniformity for digital image forensics [PDF]

open access: yes, 2012
The last few years have seen the use of photo response non-uniformity noise (PRNU), a unique fingerprint of imaging sensors, in various digital forensic applications such as source device identification, content integrity verification and authentication.
Chang-Tsun Li   +3 more
core   +1 more source

Source identification for mobile devices, based on wavelet transforms combined with sensor imperfections [PDF]

open access: yes, 2013
One of the most relevant applications of digital image forensics is to accurately identify the device used for taking a given set of images, a problem called source identification.
Hernandez-Castro, Julio C.   +4 more
core   +1 more source

Ontology-Driven Digital Profiling for Identification and Linking Evidence Across Social Media Platform

open access: yesIEEE Access, 2023
In an era in which social media platforms are proliferating and becoming primary communication channels, the identification of evidence for crimes from such platforms is crucial for digital forensics and legal proceedings.
Sarunas Grigaliunas   +2 more
doaj   +1 more source

Exposing Digital Image Forgeries by Detecting Contextual Abnormality Using Convolutional Neural Networks

open access: yesSensors, 2020
Traditionally, digital image forensics mainly focused on the low-level features of an image, such as edges and texture, because these features include traces of the image’s modification history.
Haneol Jang, Jong-Uk Hou
doaj   +1 more source

Hybrid Algorithm for the detection of Pixel-based digital image forgery using Markov and SIFT descriptors

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2023
Today, image forgery is common due to the massification of low-cost/high-resolution digital cameras, along with the accessibility of computer programs for image processing.
Jimmy alexander Cortés Osorio   +2 more
doaj   +1 more source

Secure and efficient DRM watermark algorithm of forensics in mobile internet

open access: yesEURASIP Journal on Image and Video Processing, 2018
With the development of mobile Internet technology, the characteristic of easy editing, transmitting, and forging the digital media bring great challenges in authenticity of multimedia.
Ma Zhaofeng, Jiang Ming
doaj   +1 more source

A Document Image Generation Scheme Based on Face Swapping and Distortion Generation

open access: yesIEEE Access, 2022
Nowadays, digital images are widely used in various services. The emergence of more and more image editing algorithms has made image forensic approaches to be severely challenged.
Gang Zhu, Yuting Ding, Lin Zhao
doaj   +1 more source

An Attempt to Attain New Information in Reconstruction of Road Traffic Accidents Applying Digital Image Processing

open access: yesPromet (Zagreb), 2011
Court expertise dealing with the reconstruction of road traffic accidents often have to take into account the possibility that an accident could have been a set-up.
Dejan Paliska   +3 more
doaj   +1 more source

A Case-Based Reasoning Method for Locating Evidence During Digital Forensic Device Triage [PDF]

open access: yes, 2014
The role of triage in digital forensics is disputed, with some practitioners questioning its reliability for identifying evidential data. Although successfully implemented in the field of medicine, triage has not established itself to the same degree in ...
Vickers, Paul   +2 more
core   +1 more source

Using digital forensics in higher education to detect academic misconduct

open access: yesInternational Journal for Educational Integrity, 2022
Academic misconduct in all its various forms is a challenge for degree-granting institutions. Whilst text-based plagiarism can be detected using tools such as Turnitin™, Plagscan™ and Urkund™ (amongst others), contract cheating and collusion can be more ...
Clare Johnson, Ross Davies, Mike Reddy
doaj   +1 more source

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