Results 1 to 10 of about 302 (151)
Fragile Watermarking for Image Authentication Using the Characteristic of SVD [PDF]
Algorithms, 2017 Digital image authentication has become a hot topic in the last few years. In this paper, a pixel-based fragile watermarking method is presented for image tamper identification and localization.
Heng Zhang, Chengyou Wang, Xiao Zhou
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A Fragile Image Watermarking Scheme in DWT Domain Using Chaotic Sequences and Error-Correcting Codes [PDF]
Entropy, 2023 With the rapid development of digital signal processing tools, image contents can be easily manipulated or maliciously tampered with. Fragile watermarking has been largely used for content authentication purposes. This article presents a new proposal for
Andy M. Ramos +3 more
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A Self-Recovery Fragile Image Watermarking with Variable Watermark Capacity [PDF]
Applied Sciences, 2018 Currently, the watermark capacity of most self-recovery fragile image watermarking schemes is fixed. That means for smooth regions and texture regions, the length of watermark information is always the same. However, it is impractical since more recovery
Chengyou Wang, Heng Zhang, Xiao Zhou
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Image fragile watermarking algorithm based on deneighbourhood mapping
IET Image Processing, 2022 To address the security risk caused by fixed offset mapping and the limited recoverability of random mapping used in image watermarking, a self‐embedding fragile image watermarking algorithm based on deneighbourhood mapping are proposed. First, the image
Yilong Wang +4 more
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Fragile watermarking technique for detecting image
网络与信息安全学报, 2017 Aiming at the problem of image tampering and forensic localization,a fragile watermarking algorithm based on chaos sequence and image QR decomposition was proposed to determine the image tampering.The algorithm chooses QR decomposition to decompose the ...
Yu-hong CHANG +2 more
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EURASIP Journal on Image and Video Processing, 2019 The rapid developments of storage technology and information exchange encourage the development of research in the field of information security. In the process of sending information, tamper and issues about data ownership may occur.
Lusia Rakhmawati +2 more
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Scalable fragile watermarking for image authentication
IET Information Security, 2013 Semi‐fragile watermarks are used to detect unauthorised changes to an image, whereas tolerating allowed changes such as compression. Most semi‐fragile algorithms that tolerate compression assume that because compression only removes the less visually significant data from an image, tampering with any data that would normally be removed by compression ...
Piper, Angela, Safavi-Naini, Reihaneh
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Image Fragile Watermarking through Quaternion Linear Transform in Secret Space
Journal of Imaging, 2017 In this paper, we apply the quaternion framework for color images to a fragile watermarking algorithm with the objective of multimedia integrity protection (Quaternion Karhunen-Loève Transform Fragile Watermarking (QKLT-FW)).
Marco Botta +2 more
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Fragile and blind watermarking technique based on Weber's law for medical image authentication
IET Computer Vision, 2013 In developing countries such as India, transmission of medical images over the network is essential for providing health services to rural/remote population. During this transmission, a small distortion in the medical image may lead to wrong conclusions.
Ekta Walia, Anu Suneja
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Homomorphic and Commutative Fragile Zero-watermarking Based on SVD [PDF]
Jisuanji kexue, 2022 Most of the existing watermarking and encryption schemes are difficult to ensure the commutativity of watermarking and encryption as well as the visual quality of the protected image.These schemes complete watermark embedding and image encryption ...
REN Hua, NIU Shao-zhang, WANG Mao-sen, YUE Zhen, REN Ru-yong
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