A novel method of image steganography in DWT domain

Banoci, Vladimir; Bugár, Gabriel; Levický, Dušan

doi:10.1109/radioelek.2011.5936455

Cited by 32 publications

(10 citation statements)

References 4 publications

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“…is the embedding error between and according to the simple LSB embedding. Therefore, the embedding error is as in Equation 6: (6) The OPAP algorithm can be described as in Equations 7, (8) and 9…”

Section: Optimal Pixel Adjustment Process (Opap)mentioning

confidence: 99%

“…The spatial domain steganography techniques refer to methods in which the secret message is hidden directly in pixel values of the cover image. However, the spatial domain techniques have a low robustness against attacks and not secure methods [2,4,[6][7][8]. The transform domain refers to the methods that transform the image from the spatial domain to another domain, such as a frequency domain.…”

Section: Introductionmentioning

confidence: 99%

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An Image Steganography Algorithm for Hiding Data Based on HDWT, LZW and OPAP

Al-Ashwal

Almawgani

Al-Arashi

2015

JST

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Image steganography is the art of information hiding, which embeds a secret data into a cover image. However, high capacity of secret data and high quality of stego image are key issues in image steganography. In this paper, an image steganography technique based on Haar Discrete Wavelet Transform (HDWT), Lempel Ziv Welch (LZW) algorithm and Optimal Pixel Adjustment Process (OPAP) is proposed. The HDWT is used to increase the robustness of stego image against attacks. To increase the hidden capacity, LZW algorithm is performed on the secret message. The OPAP is then applied to reduce the embedding error between the cover image and stego image. The experimental results are evaluated by four standard images as covers, and with two types of secret messages. The results demonstrate high visual quality of stego image with large Hidden Capacity (HC) of secret data compared with recent techniques.

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Section: Optimal Pixel Adjustment Process (Opap)mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

An Image Steganography Algorithm for Hiding Data Based on HDWT, LZW and OPAP

Al-Ashwal

Almawgani

Al-Arashi

2015

JST

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“…Fig. 1 shows a diagram for 1-D DWT [8]. This method is used for both vertical and horizontal dimension in 2-D DWT.…”

Section: Related Workmentioning

confidence: 99%

A new high capacity steganography based on bit-inverting method in DWT domain

Azaminezhad

Bidgoli²

2014

JACST

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Steganography is a technique which embeds the secret messages in the cover image and transmitted in such a way that the existence of information is undetectable. In this paper, we present a new technique that consists of two encoding algorithm such as Huffman encoding and bit inverting algorithm. In this technique, we proposed a modified secure and high capacity based steganography scheme of hiding a secret message such as text or image into a cover image. Our simulation results show that the algorithm has a good perceptual invisibility and high capacity in addition to be secure.

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“…LIU Tong and QIU Zheng-ding [19] and Vladimir Banoci et al [20] proposed a DWT based color image steganography method. In the former method the secret information is hidden into a publicly accessed color image by a quantization-based strategy.…”

Section: Literature Surveymentioning

confidence: 99%

A Novel Technique for Secure, Lossless Steganography with Unlimited Payload

Rahna¹,

Govindan²

2013

IJFCC

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Abstract-Steganography is a way of sending hidden messages in such a way that no one, apart from the sender and intended recipient, suspects the existence of the message. There exist many methods for digital image steganography. But most of the existing techniques are based on lossy approach. And the major challenges of steganography are security of hidden communication and the size of message that can be embedded in an image. So, this paper is intended to propose an image steganography technique based on matches between cover image and secret data. This proposed method maintains the cover image as such and has unlimited capacity of payload.Index Terms-Lossless steganography, secure steganography, search partition size, unlimited payload.

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A novel method of image steganography in DWT domain

Cited by 32 publications

References 4 publications

An Image Steganography Algorithm for Hiding Data Based on HDWT, LZW and OPAP

An Image Steganography Algorithm for Hiding Data Based on HDWT, LZW and OPAP

A new high capacity steganography based on bit-inverting method in DWT domain

A Novel Technique for Secure, Lossless Steganography with Unlimited Payload

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