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Article

  • Title

    Complex method of detecting and localization of cloning areas in digital images

  • Authors

    Zorilo Viktoriya V.
    Lebedeva Yelena Yu.

  • Subject

    COMPUTER AND INFORMATION NETWORKS AND SYSTEMS. MANUFACTURING AUTOMATION

  • Year 2015
    Issue 1(45)
    UDC 004.056.5
    DOI 10.15276/opu.1.45.2015.17
    Pages 101-106
  • Abstract

    Developing methods aiming at identification of digital images integrity violation is an important problem of complex system of information security. Cloning method, realized in the most of graphic editors, is often used to compromise the integrity of the image related to unauthorized changes. Therefore, the task of cloning identification is a relevant one. In addition to the cloning identification it is also important to clarify the contours of the cloned area. In this paper we propose a polynomial comprehensive method to identify areas of cloning as a falsification of the digital image. It allows to locate the cloned areas with a higher precision compared to modern analogues. Complex method is based on two modern clone detection techniques, using a common approach to the analysis of the state and technology of the information system functioning. It includes two stages: “fast rough” cloning area identification and a “slow” identification of the contour of the cloning area using a limited image subarea containing a clone. The method proposed can be adapted for the digital video.

  • Keywords image falsification, cloning, digital image
  • Viewed: 725 Dowloaded: 3
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  • References

    Література
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    3.    Зорило, В.В. Методы повышения эффективности выявления нарушения целостности цифрового изображения / В.В. Зорило // Інформаційна безпека. — 2013. — № 2(10). — С. 34—41.
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    5.    Lebedeva, Ye.Yu. Improvement of the accuracy of detection of cloned regions in digital images / Ye.Yu. Lebedeva // Інформатика та математичні методи в моделюванні. — 2014. — Т. 4, № 3. — С. 278—284.
    6.    Лебедева, Е.Ю. Исследование метрик используемых при обнаружении клонированных участков изображений в задачах выявления фальсификации / Е.Ю. Лебедева, Ю.Ф. Лебедев // Вісн. НТУ «ХПІ». Серія: Системний аналіз, управління та інформаційні технології.  2011.  № 35.  С. 25—31.

    References
    1.    Kobozeva, A.A. (2008). The general approach to the analysis of the state of the information objects based on perturbation theory. Bulletin of Volodymyr Dahl East Ukrainian National University, 8(1), 72—81.
    2.    Zorilo, V.V. (2011). Detection of cloning as digital image falsification technique. Herald of the National Technical University “Kharkiv Polytechnic Institute”: System Analysis, Management and Information Technologies, 35, 31—38.
    3.    Zorilo, V.V. (2013). Methods of improving efficiency of digital image integrity violation detection. Informative Safety, 2, 34—41.
    4.    Fridrich,J., Soukal, D., & Lukáš, J. (2003). Detection of copy-move forgery in digital images. In Proceedings of the 2003 Digital Forensics Research Workshop (DFRWS) (pp. 55—61). Academic Press.
    5.    Lebedeva, Ye.Yu. (2014). Improvement of the accuracy of detection of cloned regions in digital images. Informatics and Mathematical Methods in Simulation, 4(3), 278—284.
    6.    Lebedeva, Ye.Yu., & Lebedev, Yu.F. (2011). Study of metrics used in the detection of cloned areas during identify of images falsification. Herald of the National Technical University “Kharkiv Polytechnic Institute”: System Analysis, Management and Information Technologies, 35, 25—31.
     

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