A high-payload, reversible data hiding scheme based on histogram modification in JPEG bitstream

被引:7
作者
Liu, X. -L. [1 ,5 ]
Chang, C. -C. [2 ,3 ]
Lin, C. -C. [4 ]
Yuan, S. -M. [5 ]
机构
[1] Fujian Agr & Forestry Univ, Coll Comp & Informat Sci, Fuzhou 350002, Peoples R China
[2] Feng Chia Univ, Dept Informat Engn & Comp Sci, Taichung 40724, Taiwan
[3] Asia Univ, Dept Comp Sci & Informat Engn, Taichung 41354, Taiwan
[4] Providence Univ, Dept Comp Sci & Informat Management, 200 Chung Chi Rd, Taichung 43301, Taiwan
[5] Natl Chiao Tung Univ, Dept Comp Sci, Hsinchu 30010, Taiwan
关键词
Data hiding; Histogram; VLC; JPEG bitstream; DIFFERENCE;
D O I
10.1080/13682199.2016.1213983
中图分类号
TB8 [摄影技术];
学科分类号
0804 ;
摘要
In this paper, we have presented a high-payload, reversible data hiding scheme that is focused on embedding secret data into joint photographic experts group (JPEG) bitstream by using histogram modification. In JPEG, for AC coefficients, 162 different variable length codes (VLCs) are defined and assigned by Huffman coding for all 162 run/size possibilities. After parsing VLC usage in the bitstream, we generated a histogram of run/size. According to a peak point and the nearest zero point of the histogram, the secret data were embedded by modifying the corresponding VLC values slightly. The experimental results and comparing the performance of our scheme with those of other existing schemes demonstrated that the proposed scheme preserved the quality of the image with no distortion and achieved the goal of high embedding capacity.
引用
收藏
页码:364 / 373
页数:10
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