ATRACTOR DE LORENZ PDF

Updated 17 Jan The Lorenz attractor, named for Edward N. Lorenz, is an example of a non-linear dynamic system corresponding to the long-term behavior of the Lorenz oscillator. The Lorenz oscillator is a 3-dimensional dynamical system that exhibits chaotic flow, noted for its lemniscate shape. The map shows how the state of a dynamical system the three variables of a three-dimensional system evolves over time in a complex, non-repeating pattern.

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ISSN X. With the increasing volumes of information generated in real time, novel mechanisms area needed to ensure security so as to prevent access to unauthorized people. The conventional encryption methods are not appropriate for images, because they are prone to statistical attacks due to the strong correlation between adjacent pixels and the analysis of color gamut histograms, which can help to identify them within the image; with this aim in mind, in this paper an algorithm for image encryption using chaotic attractors is proposed.

The proposed algorithm was tested using a set of gray-scale images obtaining suitable performance in segurity and speed, the pixel correlation is almost null and the entropy is similar to that presented in recent works with the same approach.

Chaotic methods are an alternative to improve the security levels in the cryptography of images due to their properties of unpredictability and sensitivity to the initial conditions.

For future work the approach presented could be applied to the encryption of color images and using different chaotic attractors. Services on Demand Article.

Spanish pdf Article in xml format Article references How to cite this article Automatic translation Send this article by e-mail. Context: With the increasing volumes of information generated in real time, novel mechanisms area needed to ensure security so as to prevent access to unauthorized people. Results: The proposed algorithm was tested using a set of gray-scale images obtaining suitable performance in segurity and speed, the pixel correlation is almost null and the entropy is similar to that presented in recent works with the same approach.

Conclusions: Chaotic methods are an alternative to improve the security levels in the cryptography of images due to their properties of unpredictability and sensitivity to the initial conditions. Carrera 7 No. How to cite this article.

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Lorenz system

From Wikimedia Commons, the free media repository. Tximeleta-forma duen 3 dimentsioko irudia da. Edward N. Lorenzek lortu zuen, atmosferako konbekzio-korronteen azterketan ziharduela. Pages in category "Lorenz attractors" This category contains only the following page. L Lorenz attractor.

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File:Lorenz attractor yb.svg

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Category:Lorenz attractors

The Lorenz system is a system of ordinary differential equations first studied by Edward Lorenz. It is notable for having chaotic solutions for certain parameter values and initial conditions. In particular, the Lorenz attractor is a set of chaotic solutions of the Lorenz system. In popular media the ' butterfly effect ' stems from the real-world implications of the Lorenz attractor, i. This underscores that physical systems can be completely deterministic and yet still be inherently unpredictable even in the absence of quantum effects.

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