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.read more
Citations
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Patent
Adaptive prediction filtering for digital watermarking
TL;DR: In this paper, a watermark detection method computes signal characteristics of a host digitally watermarked signal, and analyzes the characteristics to determine an extent to which the signal characteristics correspond to characteristics of the digital watermark.
Proceedings ArticleDOI
Steganalysis of spread spectrum data hiding exploiting cover memory
TL;DR: A statistical model of images is used and an appropriate statistical measure is used for the security of a steganography system subject to optimal hypothesis testing to detect data hidden in grayscale images with spread spectrum hiding.
Journal ArticleDOI
A Comparative Analysis of Image Steganography
TL;DR: Various digital steganographic techniques are implemented which are capable of producing a secret-embedded image that is indistinguishable from the original image to the human eye.
Patent
Measuring digital watermark strength using error correction coding metrics
TL;DR: In this article, a method of embedding a digital watermark into a halftone image was proposed, which redundantly encodes a multi-bit message, and transforms the encoded message to a multilevel per-pixel watermark image.
Journal ArticleDOI
Discrete Wavelet Transform and Singular Value Decomposition Based ECG Steganography for Secured Patient Information Transmission
TL;DR: An approach that uses discrete wavelet transform to decompose signals and singular value decomposition (SVD) to embed the secret information into the decomposed ECG signal and the observations validate that HH is the ideal sub-band to hide data.
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