Results 181 to 190 of about 229 (211)
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Scalable Tamper Detection and Localization Scheme for JPEG2000 Codestreams
2015We 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 +2 more
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Tamper-Localization Watermarking with Systematic Error Correcting Code
2006 International Conference on Image Processing, 2006This 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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Secure Tamper Localization in Binary Document Image Authentication
2005In 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
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Progressive Supervision for Tampering Localization in Document Images
2023Huiru Shao +4 more
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A comprehensive survey on image authentication for tamper detection with localization
Multimedia Tools and Applications, 2022H. R. Chennamma, B. Madhushree
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Multimedia Tools and Applications, 2020
T. Anbu, M. Milton Joe, G. Murugeswari
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T. Anbu, M. Milton Joe, G. Murugeswari
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A comprehensive survey of detecting tampered images and localization of the tampered region.
Multim. Tools Appl., 2021openaire +1 more source