Research Article

A NEW IMPERCEPTIBLE STEGANOGRAPHY METHOD FOR GRAYSCALE IMAGES

Volume: 8 Number: 2 June 25, 2020
EN TR

A NEW IMPERCEPTIBLE STEGANOGRAPHY METHOD FOR GRAYSCALE IMAGES

Abstract

A standard Least Significant Bit (LSB) algorithm changes average 50% of the least significant bits of an image. This causes approximately a 0.2% distortion on a grayscale image. Therefore, the application of LSB on non-sharp grayscale images causes too much noise that can be easily detected by the human visual system. In addition; when the image is scanned pixel by pixel, hidden message can be easily read by unauthorized persons. A robust and imperceptible block-based LSB steganography method is developed in this study. First, cover image is divided into blocks, then median geometric mean and arithmetic mean of each block is calculated to select blocks those contain less detail of the image. Method has an advantage of calculating data load capacity of image before embedding process. Proposed method also makes it difficult for unauthorized people to detect hidden messages. Performance of the method is measured by mathematical methods such as MSE, PSNR and SSIM. The method achieved structured similarity score over 0.9999% on four test images, indicating a 20-fold better result than the standard LSB algorithm.

Keywords

References

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  8. Hamza, Y.A., 2008. Blok Kırpma Kodlamasına ve Ayrık Dalgacık Dönüşümüne Dayalı, Dayanıklı Dijital Renkli Resim Damgalama Sistemi, Anadolu University, Institute of Natural and Applied Sciences, Master Thesis, 92p.

Details

Primary Language

English

Subjects

Computer Software

Journal Section

Research Article

Publication Date

June 25, 2020

Submission Date

March 8, 2019

Acceptance Date

June 2, 2020

Published in Issue

Year 2020 Volume: 8 Number: 2

APA
Macit, H. B., & Koyun, A. (2020). A NEW IMPERCEPTIBLE STEGANOGRAPHY METHOD FOR GRAYSCALE IMAGES. Mühendislik Bilimleri Ve Tasarım Dergisi, 8(2), 357-365. https://doi.org/10.21923/jesd.537183
AMA
1.Macit HB, Koyun A. A NEW IMPERCEPTIBLE STEGANOGRAPHY METHOD FOR GRAYSCALE IMAGES. JESD. 2020;8(2):357-365. doi:10.21923/jesd.537183
Chicago
Macit, Hüseyin Bilal, and Arif Koyun. 2020. “A NEW IMPERCEPTIBLE STEGANOGRAPHY METHOD FOR GRAYSCALE IMAGES”. Mühendislik Bilimleri Ve Tasarım Dergisi 8 (2): 357-65. https://doi.org/10.21923/jesd.537183.
EndNote
Macit HB, Koyun A (June 1, 2020) A NEW IMPERCEPTIBLE STEGANOGRAPHY METHOD FOR GRAYSCALE IMAGES. Mühendislik Bilimleri ve Tasarım Dergisi 8 2 357–365.
IEEE
[1]H. B. Macit and A. Koyun, “A NEW IMPERCEPTIBLE STEGANOGRAPHY METHOD FOR GRAYSCALE IMAGES”, JESD, vol. 8, no. 2, pp. 357–365, June 2020, doi: 10.21923/jesd.537183.
ISNAD
Macit, Hüseyin Bilal - Koyun, Arif. “A NEW IMPERCEPTIBLE STEGANOGRAPHY METHOD FOR GRAYSCALE IMAGES”. Mühendislik Bilimleri ve Tasarım Dergisi 8/2 (June 1, 2020): 357-365. https://doi.org/10.21923/jesd.537183.
JAMA
1.Macit HB, Koyun A. A NEW IMPERCEPTIBLE STEGANOGRAPHY METHOD FOR GRAYSCALE IMAGES. JESD. 2020;8:357–365.
MLA
Macit, Hüseyin Bilal, and Arif Koyun. “A NEW IMPERCEPTIBLE STEGANOGRAPHY METHOD FOR GRAYSCALE IMAGES”. Mühendislik Bilimleri Ve Tasarım Dergisi, vol. 8, no. 2, June 2020, pp. 357-65, doi:10.21923/jesd.537183.
Vancouver
1.Hüseyin Bilal Macit, Arif Koyun. A NEW IMPERCEPTIBLE STEGANOGRAPHY METHOD FOR GRAYSCALE IMAGES. JESD. 2020 Jun. 1;8(2):357-65. doi:10.21923/jesd.537183

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