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Journal ArticleDOI

Spread spectrum image steganography

TLDR
A new method of digital Steganography, entitled spread spectrum image steganography (SSIS), which hides and recovers a message of substantial length within digital imagery while maintaining the original image size and dynamic range.
Abstract
We present a new method of digital steganography, entitled spread spectrum image steganography (SSIS). Steganography, which means "covered writing" in Greek, is the science of communicating in a hidden manner. Following a discussion of steganographic communication theory and review of existing techniques, the new method, SSIS, is introduced. This system hides and recovers a message of substantial length within digital imagery while maintaining the original image size and dynamic range. The hidden message can be recovered using appropriate keys without any knowledge of the original image. Image restoration, error-control coding, and techniques similar to spread spectrum are described, and the performance of the system is illustrated. A message embedded by this method can be in the form of text, imagery, or any other digital signal. Applications for such a data-hiding scheme include in-band captioning, covert communication, image tamperproofing, authentication, embedded control, and revision tracking.

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Citations
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Proceedings ArticleDOI

An application of Sparse Code Shrinkage to image steganalysis based on supervised learning

TL;DR: An image steganalysis based on supervised learning using Sparse Code Shrinkage as a feature of image data is proposed and it is shown that this method outperforms previous Steganalysis methods for F5, StegHide, Spread spectrum image Steganography.
Journal ArticleDOI

Object watermarking scheme based on resynchronization and shape subdivision

TL;DR: An object-based watermarking method based on efficient segmentation using lines paral- lel and perpendicular to two principal axes in the spatial domain, designed to embed and extract invisible watermarks.
Proceedings Article

A short-message robust steganographic method for effective information recovery under transmission losses of cellular networks

TL;DR: The robustness and efficiency of the proposed steganographic system is evaluated under various loss rates, combined with different JPEG compression ratios.
Proceedings ArticleDOI

Wavelet-based data hiding of DEM in the context of real-time 3D visualization

TL;DR: In this paper, a wavelet-based embedding method for hiding the data in a color image is proposed to obtain a 3D visualization of terrains from aerial photographs, satellite images, scanned maps and digital elevation models.
References
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Journal ArticleDOI

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TL;DR: The authors prove two results about this type of estimator that are unprecedented in several ways: with high probability f/spl circ/*/sub n/ is at least as smooth as f, in any of a wide variety of smoothness measures.
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Journal ArticleDOI

Error bounds for convolutional codes and an asymptotically optimum decoding algorithm

TL;DR: The upper bound is obtained for a specific probabilistic nonsequential decoding algorithm which is shown to be asymptotically optimum for rates above R_{0} and whose performance bears certain similarities to that of sequential decoding algorithms.
Journal ArticleDOI

Secure spread spectrum watermarking for multimedia

TL;DR: It is argued that insertion of a watermark under this regime makes the watermark robust to signal processing operations and common geometric transformations provided that the original image is available and that it can be successfully registered against the transformed watermarked image.