Data Hiding Algorithm for Images Using Discrete Wavelet Transform and Arnold Transform | Zendy

Geeta Kasana | Zendy; Kulbir Singh | Zendy; S. S. Bhatia | Zendy

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Data Hiding Algorithm for Images Using Discrete Wavelet Transform and Arnold Transform

Author(s) -

Geeta Kasana,

Kulbir Singh,

S. S. Bhatia

Publication year - 2015

Publication title -

journal of information processing systems

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.288

H-Index - 23

eISSN - 2092-805X

pISSN - 1976-913X

DOI - 10.3745/jips.03.0042

Subject(s) - computer science , discrete wavelet transform , algorithm , wavelet transform , stationary wavelet transform , artificial intelligence , second generation wavelet transform , wavelet

In this paper, data hiding algorithm using Discrete Wavelet Transform (DWT) and Arnold Transform is proposed. The secret data is scrambled using Arnold Transform to make it secure. Wavelet subbands of a cover image are obtained using DWT. The scrambled secret data is embedded into significant wavelet coefficients of subbands of a cover image. The proposed algorithm is robust to a variety of attacks like JPEG and JPEG2000 compression, image cropping and median filtering. Experimental results show that the PSNR of the composite image is 1.05 dB higher than the PSNR of existing algorithms and capacity is 25% higher than the capacity of existing algorithms.

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