Results 11 to 20 of about 877 (289)
AUTHENTICATION, TAMPER LOCALIZATION AND RECTIFICATION ALGORITHM WITH PRIVACY PRESERVATION OF IMAGE FOR THE CLOUD USING HMAC [PDF]
Digital images like military, medical and quality control images are increasingly stored over cloud server. These images need protection against attempts to manipulate them since manipulations could tamper the decisions based on these images, many ...
Sayyada Fahmeeda Sultana, D C Shubhangi
doaj +2 more sources
TDSF: Two-phase tamper detection in semi-fragile watermarking using two-level integer wavelet transform [PDF]
Image watermarking is one of techniques that can be used to protect and recover from the altered images. Tamper detection in semi-fragile still does not achieve high accuracy for tamper localization, especially in malicious attacks.
Agit Amrullah +3 more
doaj +5 more sources
Image tamper detection is a challenging area in multimedia research. The advances in photography technology have made it possible to capture real-time high-dynamic-range (HDR) images through an iPhone or an Android device, which highlights the need for ...
P. Aberna, L. Agilandeeswari
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Image Forgery Detection and Localization via a Reliability Fusion Map
Moving away from hand-crafted feature extraction, the use of data-driven convolution neural network (CNN)-based algorithms facilitates the realization of end-to-end automated forgery detection in multimedia forensics.
Hongwei Yao +4 more
doaj +2 more sources
Tamper localization and lossless recovery watermarking scheme with ROI segmentation and multilevel authentication. [PDF]
Tamper localization and recovery watermarking scheme can be used to detect manipulation and recover tampered images. In this paper, a tamper localization and lossless recovery scheme that used region of interest (ROI) segmentation and multilevel ...
Liew SC, Liew SW, Zain JM, Zain JM.
europepmc +2 more sources
Fragile watermarking provides integrity verification and authenticity assurance by embedding tamper-sensitive watermarks to reveal unauthorized modifications.
Ahmed Abduljabbar AlSabhany +1 more
doaj +2 more sources
Passive forensic based on spatio-temporal localization of video object removal tampering [PDF]
To address the problem of identification of authenticity and integrity of video content and the location of video tampering area,a deep learning detection algorithm based on video noise flow was proposed.Firstly,based on SRM (spatial rich model) and C3D (
Linqiang CHEN +5 more
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Content integrity of high-resolution remote sensing (HRRS) images is the premise of its usability. Existing HRRS image integrity authentication methods are mostly binary decision-making processes, which cannot provide a further interpretable information (
Xingang Zhang +3 more
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A Novel Integrity Authentication Algorithm Based on Perceptual Speech Hash and Learned Dictionaries
Perceptual speech hash and robust watermarking have been widely investigated to solve the problems of authenticating speech integrity. The former generates a watermark and the latter embeds the watermark into the speech signal to implement speech ...
Canghong Shi, Xiaojie Li, Hongxia Wang
doaj +1 more source
Robust Hash for Detecting and Localizing Image Tampering [PDF]
An image hash should be (1) robust to allowable operations and (2) sensitive to illegal manipulations and distinct queries. Some applications also require the hash to be able to localize image tampering. This requires the hash to contain both robust content and alignment information to meet the above criterion.
Sujoy Roy, Qibin Sun
openaire +1 more source

