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Yeni kaotik video steganografi metodu

Authors: Akyüz, Damla;

Yeni kaotik video steganografi metodu

Abstract

ÖZET Günümüzde, teknoloji ve internetin gelişerek yaygınlaşmasıyla, güvenli veri transferi için farklı yöntemler ve teknikler uygulanmaya başlanmıştır. Gelişen bu yöntemlerden biri de Steganografi’dir. Steganografi, iletilecek bilginin, istenmeyen kişiler tarafından fark edilmesini önlemek için farklı araçlara gizlenmesi sanatıdır. Taşıyıcı araçlarda gözle görülür değişiklik yapılmadan mesajın gizlenmesi hedeflenir. Bu çalışmada, önerilen kaotik yöntem ile video üzerinde veri gizlenmesi amaçlanmıştır. Videoda, veri gizlenecek çerçeveler ve pikseller belirli bir düzen olmadan kaotik bir yöntemle seçilerek, RGB değerlerinin en az anlamlı bitinin değiştirilmesi ile veri bir piksele 1 byte gizli bilgi olacak şekilde gizlemesi gerçekleştirilmiştir. Oluşturulan taşıyıcı videonun ve videonun ilk halinin görsel değerleri karşılaştırılarak gizlemenin başarısı PSNR, SNR, Entropi, SSIM, MSE yöntemleri ile ölçülmüştür. Anahtar Kelimeler: Kaos, Steganografi, Veri Gizleme, Video Steganografi ABSTRACT Nowadays, with the development and widespread use of technology and Internet, different methods and techniques have been applied for secure data transfer. One of these developing methods is Steganography. Steganography, hiding the information to be transmitted in different tools for riddles with experience with unwanted people. In written articles, it is aimed to be given visually and to hide the message. In this technique, it is aimed to hide data on the video with the technical method. In the video, frames and pixels to hide data are selected in a chaotic method without a specific order, and data concealment is realized by equalizing the least significant bit of RGB values. The success of hiding was measured by comparing the visual information of the created carrier video and the original Keywords: Chaos,Steganography, Data Hiding, Video Steganography İÇİNDEKİLER İÇİNDEKİLER . i ÖZET . ii ABSTRACT . iii TEŞEKKÜR . iv ŞEKİLLER . v ÇİZELGELER DİZİNİ . vi SİMGELER VE KISALTMALAR DİZİNİ . vii 1. GİRİŞ . 1 2. LİTERATÜR ÖZETİ . 3 3. MATERYAL VE METOT . 11 3. 1 Kaos Teorisi ve Lojistik Harita . 11 3. 2 Kalite ölçüm yöntemleri . 17 3. 2. 1 MSE (Mean Squared Error) . 17 3. 2. 2 PSNR (Peak Signal Noise Ratio) . 17 3. 2. 3 SNR (Signal Noise Ratio) . 18 3. 2. 4 Entropi . 18 3. 2. 5 SSIM (Structural Similarities) . 19 4. BULGULAR VE TARTIŞMA . 20 5. SONUÇLAR VE ÖNERİLER . 30 KAYNAKLAR . 31 EKLER . 34 EK A. Uygulama Algoritmaları . 35 ÖZGEÇMİŞ . 37

Tez (Yüksek Lisans) -- İstanbul Ticaret Üniversitesi -- Kaynakça var.

Country
Turkey
Related Organizations
Keywords

Veri koruma, Computer security, Computer networks_Security measures, Bilgisayar güvenliği, Information superhighway_Security measures, Bilgisayar ağları_Güvenlik önlemleri, QA 76.9.A25/A39, Bilgi otobanı_Güvenlik önlemleri, Data protection

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green