NDLI: Lossless Data Hiding with Quadtree Decomposition

Content Provider	IEEE Xplore Digital Library
Author	Hsiang-Cheh Huang Ting-Hsuan Wang Yuh-Yi Lu
Copyright Year	2013
Description	Author affiliation: Dept. of Electr. Eng., Nat. Univ. of Kaohsiung, Kaohsiung, Taiwan (Hsiang-Cheh Huang; Ting-Hsuan Wang) \|\| Dept. of Electr. Eng., Minghsin Univ. of Sci. & Technol., Hsinchu, Taiwan (Yuh-Yi Lu)
Abstract	In this paper, we present the loss less data hiding algorithm based on the concept of quad tree decomposition. With the slight changes of original images, by altering the shape of histogram, or by modifying the difference value between two consecutive pixels, loss less data hiding can be achieved at the encoder. Correspondingly, at the receiver, both the original image and the embedded data should be perfectly recovered. In this paper, we focus on utilizing inherent characteristics of original image based on quad tree decomposition, where smooth regions are partitioned with larger square blocks, and active regions are composed of smaller square blocks. With the different characteristics, different amounts can be embedded into blocks with different sizes in quad tree decomposition, in order to look for better quality of marked images both subjectively and objectively. Simulation results with proposed loss less data hiding algorithm based on quad tree decomposition have pointed out the better performances over relating schemes in literature.
Starting Page	21
Ending Page	24
File Size	1145052
Page Count	4
File Format	PDF
ISBN	9780769551203
DOI	10.1109/IIH-MSP.2013.14
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-10-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Histograms Airplanes PSNR Simulation Signal processing algorithms quadtree decomposition Educational institutions output image quality Decoding lossless data hiding capacity
Content Type	Text
Resource Type	Article

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