Results 261 to 270 of about 877 (289)

Quaternion-Based Image Hashing for Adaptive Tampering Localization

IEEE Transactions on Information Forensics and Security, 2016
Image-hashing-based tampering detection methods have been widely studied with continuous advancements. However, most of existing models are designed for a specific tampering. In this paper, we propose a novel quaternion-based image hashing to detect almost all types of tampering, including color changing, copy move, splicing, and so on.
Cai-Ping Yan, Chi-Man Pun, Xiaochen Yuan
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Tamper-Localization Watermarking with Systematic Error Correcting Code

2006 International Conference on Image Processing, 2006
This paper presents an authentication watermarking method which can localize the tampering regions in fine granularity. Unlike the previous block-wise tampering-localization watermarking methods which embed authentication messages including the image index, block index and block hash, the present scheme encodes the block hash with a systematic error ...
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A New Watermarking Method for Video Authentication with Tamper Localization

2020
In this paper, a new method for video authentication is proposed. The method is based on construction of watermark images, which serve as a secondary carrier for the binary sequence. A unique watermark image is embedded into the coefficients of Discrete Wavelet Transform of each video frame.
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Secure Tamper Localization in Binary Document Image Authentication

2005
In this paper, we propose a novel method for secure tamper localization in binary document images using erasable watermarks. For binary images, watermarking with pixel flipping approach is a difficult task, because it can bring noticeable visual distortion.
Niladri B. Puhan, Anthony T. S. Ho
openaire   +1 more source

Multimedia Tampering Localization Based on the Perturbation in Reverse Processing

2003
A new fragile watermarking scheme, which exploits the perturbation in reverse processing, is proposed to enhance the tampering localizability of multimedia authentication. In verifying data integrity or authenticating signatures, the new method performs the reverse processing of watermark embedding.
Xianfeng Zhao, Weinong Wang, Kefei Chen
openaire   +1 more source

Scalable Tamper Detection and Localization Scheme for JPEG2000 Codestreams

2015
We propose an efficient tamper detection scheme for JPEG2000 codestreams. The proposed scheme embeds information while maintaining the scalability function of JPEG2000 and can detect tampered layers or tampered resolution levels for each decoded image quality level.
Takeshi Ogasawara, Shoko Imaizumi, Naokazu Aoki   +2 more
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Progressive Supervision for Tampering Localization in Document Images

2023
Huiru Shao, Kaizhu Huang, Wei Wang 0042, Xiaowei Huang 0001, Qiufeng Wang 0001   +4 more
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A comprehensive survey on image authentication for tamper detection with localization

Multimedia Tools and Applications, 2022
H. R. Chennamma, B. Madhushree
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A semi-fragile watermarking tamper localization method based on QDFT and multi-view fusion

Multimedia Tools and Applications, 2022
Junlin Ouyang, Zhuhong Shao, Ouyang Junlin   +2 more
exaly  

Retraction Note: A comprehensive survey of detecting tampered images and localization of the tampered region

Multimedia Tools and Applications
T. Anbu, M. Milton Joe, G. Murugeswari
openaire   +1 more source