Hierarchy-based reversible data hiding
學年 101
學期 1
出版（發表）日期 2013-01-01
作品名稱 Hierarchy-based reversible data hiding
作品名稱（其他語言）
著者 Huang, Hsiang-Cheh; Chang, Feng-Cheng
單位 淡江大學資訊創新與科技學系
出版者 Kidlington, Oxford: Pergamon Press
著錄名稱、卷期、頁數 Expert Systems with Applications 40(1), pp.34-43
摘要 In this paper, we propose a new method for reversible data hiding by employing the hierarchical relationships of original images. There are many parameters for accessing the performances of reversible data hiding algorithms, including the output image quality, the hiding capacity, and the overhead for decoding. Considering the ease of implementation and the little overhead needed for decoding, we employ modification of difference values between pixels by using histogram-based scheme with extensions to pyramidal structure by utilizing inherent characteristics of original images. By doing so, global and local characteristics of original images can be utilized for hiding more capacity with acceptable quality of output image. With our method, better performances can be obtained with enhanced image quality, the more embedding capacity, and comparable amount of side information for decoding. More importantly, the reversibility of our method is guaranteed, meaning that original image and hidden message can both be perfectly recovered at the decoder. Simulation results demonstrate that proposed method in this paper outperforms those in conventional algorithms.
關鍵字 Reversible data hiding;Hierarchical structure;Histogram;Quad;Image quality;Capacity
語言 en
ISSN 0957-4174 1873-6793
期刊性質 國外
收錄於 SCI
產學合作
通訊作者 Huang, Hsiang-Cheh
審稿制度 是
國別 GBR
公開徵稿
出版型式 紙本 電子版
相關連結

機構典藏連結 ( http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/96143 )

機構典藏連結
SDGS 優質教育,產業創新與基礎設施