Potentiality of holographic technique in fragile watermarking

Giuseppe Schirripa Spagnolo; Michele De Santis

doi:10.1117/12.652315

9 February 2006 Potentiality of holographic technique in fragile watermarking

Giuseppe Schirripa Spagnolo, Michele De Santis

Proceedings Volume 6075, Optical Security and Counterfeit Deterrence Techniques VI; 607509 (2006) https://doi.org/10.1117/12.652315
Event: Electronic Imaging 2006, 2006, San Jose, California, United States

Abstract

Fragile watermark is designed to detect slight changes to the watermarked image with high probability. In the security community, an integrity service is unambiguously defined as one, which insures that the sent and received data are identical. This binary definition can also be applicable to images; however it is too strict and not well adapted to this type of digital document. Indeed, in real life situations, images will be transformed. Their pixel values will therefore be modified but not the actual semantic meaning of the image. In order to provide an authentication service for still images, it is important to distinguish between malicious manipulations, which consist of changing the content of the original image such as captions or faces, and manipulations related to the use of an image, such as format conversion, compression, filtering, and so on. Unfortunately this distinction is not always clear; it partly depends on the type of image and its use. Scope of this paper is to present potentiality of Holographic technique in fragile watermarking for digital image authentication of medical or military images.

Citation Download Citation

Giuseppe Schirripa Spagnolo and Michele De Santis "Potentiality of holographic technique in fragile watermarking", Proc. SPIE 6075, Optical Security and Counterfeit Deterrence Techniques VI, 607509 (9 February 2006); https://doi.org/10.1117/12.652315

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KEYWORDS

Digital watermarking

Image filtering

Computer generated holography

Image compression

Holograms

Digital imaging

Medical imaging

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