Abstract
According to JPEG2000 image encryption algorithm based on confusion of the wavelet coefficients cannot support region-of-interest(ROI) image coding, an encryption method for ROI images is proposed. The proposed method Generates the confusion table using Chaotic sequences, confuses the Wavelet coefficients inside each code blocks, and encrypts the sign bits using Chaotic sequences. The experimental results show that the proposed method has lower affection to the compression ratio, and has the ability to provide adequate key space to resist the brute attack. The proposed method is important to support ROI image coding.
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Sun, C., Li, L., Liu, Y. (2018). An Encryption Algorithm for ROI Images. In: Pan, JS., Tsai, PW., Watada, J., Jain, L. (eds) Advances in Intelligent Information Hiding and Multimedia Signal Processing. IIH-MSP 2017. Smart Innovation, Systems and Technologies, vol 81. Springer, Cham. https://doi.org/10.1007/978-3-319-63856-0_53
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DOI: https://doi.org/10.1007/978-3-319-63856-0_53
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Online ISBN: 978-3-319-63856-0
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