Information hiding in plain-text images based on multi-objective optimization

权重	$ {\omega }_{1} $	$ {\omega }_{2} $	$ {\omega }_{3} $	Q	嵌入率/（bit/像素）	含密图像的PSNR/dB	恢复图像的PSNR/dB
$ {\omega }_{1} $	0.799999	0.299999	0.000001	114	1.03615	52.10323	52.64217
$ {\omega }_{1} $	0.699999	0.399999	0.000001	56	1.09554	52.05778	52.36152
$ {\omega }_{2} $	0.300000	0.699996	0.000004	550	0.59237	51.40668	55.45762
$ {\omega }_{2} $	0.200000	0.799996	0.000004	605	0.53274	51.29203	55.98313
$ {\omega }_{3} $	0.178500	0.178500	0.648400	1022	0.08503	50.55541	79.21990
$ {\omega }_{3} $	0.178500	0.078500	0.748400	1023	0.08391	50.55326	82.14587

Table 2. Overall comparison between [8], [9], [10], [11] and our proposed method

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Table 2. Overall comparison between [8], [9], [10], [11] and our proposed method

方法	嵌入率/（bit/像素）	嵌入容量/bit	含密图像PSNR/dB
文献[8]	0.0854	22377	48.32
文献[9]	0.0208	5460	48.2
文献[10]	0.0546	14313	50.13
文献[11]	0.0529	13868	47.29
本文方法	0.0828～1.1509	21710～129952	50.55～52.13

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Chanyu JIANG, Zixin ZHANG, Chuan QIN. Information hiding in plain-text images based on multi-objective optimization[J]. Optical Instruments, 2021, 43(6): 19

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