Controlled experiments in digital evidence tampering
نویسندگان
چکیده
منابع مشابه
Potential Statistical Evidence in Experiments and Renyi Information
Recently Habibi et al. (2006) defined a pre-experimental criterion for the potential strength of evidence provided by an experiment, based on Kullback-Leibler distance. In this paper, we investigate the potential statistical evidence in an experiment in terms of Renyi distance and compare the potential statistical evidence in lower (upper) record values with that in the same number of ii...
متن کاملA Survey Of Digital Image Tampering Techniques
Due to powerful computers and advanced photo-editing software tools the manipulation of images has become an easy task. Confirming the authenticity of images and detecting tampered regions in an image without any knowledge about the image content is an important part of the research field. An effort is made to survey the recent advancements being made in the field of digital image forgery detec...
متن کاملForensic Analysis of Digital Image Tampering
The use of digital photography has increased over the past few years, a trend which opens the door for new and creative ways to forge images. The manipulation of images through forgery influences the perception an observer has of the depicted scene, potentially resulting in ill consequences if created with malicious intentions. This poses a need to verify the authenticity of images originating ...
متن کاملA Novel Watermarking Technique for Tampering Detection in Digital Images
A novel fragile watermarking technique is proposed for hiding logo information into an image by tuning block pixels based on a bitmap parity checking approach. A secure key and a random number generator are used to hide the logo information in a secret, undetectable, and unambiguous way. The characteristics of the mean gray value and the bitmap in a block are exploited for performing the embedd...
متن کاملDigital Image Tampering Detection Based on Illumination Inconsistency: A Review
In today’s digital age, powerful and low cost digital technology has made it possible to create effective photographic forgeries. Therefore it becomes very challenging for end users to distinguish whether the image is novel or tempered. In the fields such as forensics, medical imaging, e-commerce, authenticity and integrity of digital images is crucial. The usage of digital images in such field...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Digital Investigation
سال: 2018
ISSN: 1742-2876
DOI: 10.1016/j.diin.2018.01.011