基于立体视觉掩蔽的自恢复非对称立体图像水印

doi:10.3969/j.issn.1000-436X.2013.06.007

Abstract

Abstract:

To authenticate the integrity of stereo image,an asymmetrical stereo image watermarking scheme based on binocular suppression was proposed.Firstly,according to the features of stereo vision,the computation of binocular sup-pression model was established.The concept of asymmetric stereo image watermarking was defined that two views of stereo image were embedded with different data payloads.Then,discrete wavelet transform was employed to generate different types of recovery watermark for each block,and their copies were embedded into two or three different mapping blocks to improve the quality of recovery.The experimental results demonstrate that the proposed method can detect and recover different kinds of tamper effectively,such as collage attack,and the recovered quality is better than those of other existing and extended mono-image watermarking methods.

Key words: stereo image, asymmetric stereo image watermarking, binocular suppression, tamper recovery

Ting LUO,Gang-yi JIANG,Xiao-dong WANG,Mei YU,Zong-ju PENG,Feng SHAO. Binocular suppression based asymmetrical stereo image watermarking with self-recovery[J]. Journal on Communications, 2013, 34(6): 57-68.

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References 20

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图像	第4类(20 bit)左右		第3类(17 bit)		第2类(14 bit)		第1类(11 bit)
图像	第4类(20 bit)左右		左	右	左	右	左	右
Alt Moabit	3.29	2.77	10.93	11.06	18.08	18.30	67.70	67.80
Art	1.91	1.76	8.60	8.31	16.76	16.27	72.74	73.67
Laundry	3.28	3.49	9.15	9.09	19.05	18.91	68.52	68.51
Bowling	0.45	0.6	2.1	2.34	7.16	7.34	90.29	89.71
DoorFlowers	1.74	1.7	6.41	6.42	8.64	8.88	83.22	83.00
Puppy	1.67	1.94	7.65	7.81	15.37	15.05	75.32	75.20
Rena	0.11	0.12	0.86	0.88	7.18	8.80	91.85	88.33
Akko	0.45	0.64	4.29	5.70	14.46	15.88	80.80	77.79

C_rt	详细恢复水印比特分配	C_rt	详细恢复水印比特分配
000	20、17	100	11、11、17
001	17、20	101	14、11、11
010	17、11、11	110	11、14、11
011	11、17、11	111	11、11、14

C_rt	详细恢复水印比特分配	C_rt	详细恢复水印比特分配
00	11、11	01	14、11
10	11、14	11	11、17

左/右	Bowling	Door Flowers	Akko	Art	Laundry
左	2.05	2.63	2.18	2.48	2.23
右(单)	2.04	2.63	2.17	2.48	2.24
右(立)	2.25	2.88	2.46	2.76	2.60

左/右	Bowling	Door Flowers	Akko	Art	Laundry
左	43.09	39.07	42.19	40.45	42.04
右	41.11	38.59	39.73	38.88	39.62

Binocular suppression based asymmetrical stereo image watermarking with self-recovery

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图像	检测及恢复	本方法		Lin's		Lee's		Li's
图像	检测及恢复	左	右	左	右	左	右	左	右
Laundry(一处)	篡改检测率/%	99.12	99.23	99.91	99.92	99.11	99.03	94.02	94.01
Laundry(一处)	恢复PSNR/dB	37.40	37.41	36.39	36.41	36.47	36.42	34.96	34.95
Laundry(多处)	篡改检测率/%	99.85	99.12	99.95	99.91	99.32	99.78	91.21	91.34
Laundry(多处)	恢复PSNR/dB	36.83	37.01	36.68	36.73	36.21	36.21	33.12	33.26
Akko	篡改检测率/%	100	99.77	99.58	100	99.98	99.76	61.11	59.84
Akko	恢复PSNR/dB	34.55	34.15	28.82	29.08	25.22	25.12	18.19	17.89

比例	本方法		Lin's		Lee's		Li's		Lin's+D		Lee's+D		Li's+D
比例	左	右	左	右	左	右	左	右	左	右	左	右	左	右
10%	40.56	40.79	39.56	39.21	39.56	39.44	38.32	38.45	41.18	40.93	39.62	39.42	40.19	40.05
20%	37.11	37.29	35.82	36.10	36.18	36.23	32.04	32.42	37.09	37.17	36.23	36.23	36.22	35.59
30%	34.21	34.56	32.23	32.27	33.74	34.01	27.88	28.01	33.94	33.64	33.77	34.09	31.91	31.38
40%	32.57	32.74	29.69	29.68	31.94	31.93	24.59	24.21	31.25	30.82	32.13	32.07	30.63	29.12)
50%	30.99	31.04	27.46	27.53	28.94	28.64	22.53	22.42	28.73	28.39	29.92	29.43	26.77	26.01
60%	29.44	29.71	25.63	25.65	26.11	26.14	20.12	20.03	26.18	25.97	27.49	25.22	24.00	23.56
70%	27.51	27.80	24.04	24.09	23.59	23.52	18.08	18.23	24.21	24.07	25.18	24.91	20.84	20.06

[1]	. Binocular suppression based asymmetrical stereo image watermarking with self-recovery [J]. Journal on Communications, 2013, 34(6): 7-68.
[2]	Quan LIU,Xue-mei JIANG. Hierarchical semi-fragile digital watermarking algorithm for image tamper localization and recovery [J]. Journal on Communications, 2007, 28(7): 104-110.

检测及恢复	本方法			Lin's		Lee's		Li's
检测及恢复	左	右	左	右	左	右	左	右
篡改检测率/%	94.27	94.44	9.72	9.39	0	0	86.32	85.43
恢复/dB	45.43	45.24	34.77	34.46	32.58	32.20	44.92	44.78