Adaptive pixel-selection using chaotic map lattices for image cryptography

Jirasak Sittigorn; Kitti Paithoonwattanakij; Charray Surawatpunya

doi:10.1117/12.2050858

10 January 2014 Adaptive pixel-selection using chaotic map lattices for image cryptography

Jirasak Sittigorn, Kitti Paithoonwattanakij, Charray Surawatpunya

Author Affiliations +

Proceedings Volume 9069, Fifth International Conference on Graphic and Image Processing (ICGIP 2013); 906915 (2014) https://doi.org/10.1117/12.2050858
Event: Fifth International Conference on Graphic and Image Processing, 2013, Hong Kong, China

Abstract

Chaotic theory has been used in cryptography application for generating a sequence of data that is close to pseudorandom number based on an adjusted initial condition and a parameter. However, data recovery becomes a crucial problem due to the precision of the parameters. This difficulty leads to limited usage of Chaotic-based cryptography especially for error sensitive applications such as voice cryptography. In order to enhance the encryption security and overcome this limitation, an Adaptive Pixel-Selection using Chaotic Map Lattices (APCML) is proposed. In APCML, the encryption sequence has been adaptively selected based on chaos generator. Moreover, the chaotic transformation and normalization boundary have been revised to alleviate the rounding error and inappropriate normalization boundary problems. In the experiments, the measurement indices of originality preservation, visual inspection, and statistical analysis are used to evaluate the performance of the proposed APCML compared to that of the original CML. Consequently, the APCML algorithm offers greater performance with full recovery of the original message.

Citation Download Citation

Jirasak Sittigorn, Kitti Paithoonwattanakij, and Charray Surawatpunya "Adaptive pixel-selection using chaotic map lattices for image cryptography", Proc. SPIE 9069, Fifth International Conference on Graphic and Image Processing (ICGIP 2013), 906915 (10 January 2014); https://doi.org/10.1117/12.2050858

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KEYWORDS

Image encryption

Cryptography

Statistical analysis

Optical inspection

Symmetric-key encryption

Complex systems

Cameras

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