NDLI: Lossless data hiding algorithm for encrypted images with high capacity

Content Provider	Springer Nature Link
Author	Zheng, Shuli Li, Dandan Hu, Donghui Ye, Dengpan Wang, Lina Wang, Jinwei
Copyright Year	2015
Abstract	In this paper, a novel reversible data hiding algorithm for encrypted images is proposed. In encryption phase, chaotic sequence is applied to encrypt the original image. Then the least significant bits (LSBs) of pixels in encrypted image are losslessly compressed to leave place for secret data. With auxiliary bit stream, the lossless compression is realized by the Hamming distance calculation between the LSB stream and auxiliary stream. At receiving terminal, the operation is flexible, that is, it meets the requirement of separation. With the decryption key, a receiver can get access to the marked decrypted image which is similar to the original one. With data-hiding key, the receiver can successfully extract secret data from the marked encrypted image. With both keys, the receiver can get secret data and the exactly original image. Compared with existing methods, experiments show the feasibility and efficiency of the proposed method, especially in aspect of embedding capacity, embedding quality and error-free recovery with increasing payload.
Starting Page	13765
Ending Page	13778
Page Count	14
File Format	PDF
ISSN	13807501
Journal	Multimedia Tools and Applications
Volume Number	75
Issue Number	21
e-ISSN	15737721
Language	English
Publisher	Springer US
Publisher Date	2015-09-12
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Information security Reversible data hiding Image encryption Lossless compression Multimedia Information Systems Computer Communication Networks Data Structures, Cryptology and Information Theory Special Purpose and Application-Based Systems
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Hardware and Architecture Software Media Technology

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