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In order to protect the copyright of stereoscopic images in the condition of the image quality, a zero-watermarking stereoscopic image algorithm is presented based on hyperchaotic system. In the proposed algorithm, disparity zero-watermark is constructed according to the stability of disparity between low frequency bands of wavelet decomposition of the left and the right views and direct coefficients of discrete cosine transform; in the process of zero-watermark construction, the zero-watermark position mapping according to the features of the sensitivity of hyperchaotic discrete system initial value, ampleness of parameter key space and complexity of dynamic behavior, enhances the security of algorithm. The relationship between security and watermark capacity is also analyzed. Experimental results show that the proposed algorithm is strong robust to noise, filtering, compression, and the shearing of asymmetrical and symmetrical attacks.
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Keywords:
- stereoscopic image /
- disparity zero-watermarking /
- hyperchaotic system /
- robustness
[1] Fan Y C, Chiou J C, Jiang Y H 2011 IEEE Trans. Magn. 47 679
[2] Shen L Q, Liu Z, Yan T, Zhang Z Y, An P 2011 IEEE Trans. Circ. Syst. Video Techn. 20 925
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[7] Alattar A M, Digimarc C, Tualatin O 2004 IEEE Trans. Image Process. 13 1147
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[13] Song W, Hou J J, Li Z H, Huang L 2009 Acta Phys. Sin. 58 4449 (in Chinese) [宋伟, 侯建军, 李赵红, 黄亮 2009 58 4449]
[14] Hu Y F, Zhu S A 2008 J. Zhejiang Univ. (Eng. Sci.) 42 593 (in Chinese) [胡裕峰, 朱善安 2008 浙江大学学报(工学版) 42 593]
[15] He H J, Zhang J S 2007 Acta Phys. Sin. 56 3092 (in Chinese) [和红杰, 张家树 2007 56 3092]
[16] Zou L J, Wang B, Feng J C 2008 Acta Phys. Sin. 57 2750 (in Chinese) [邹露娟, 汪波, 冯久超 2008 57 2750]
[17] Xu T, Zhang Y N, Sun J Q, Zheng J B, Ling Z G 2009 J. Image Graph. 14 1819 (in Chinese) [徐涛, 张艳宁, 孙瑾秋, 郑江滨, 林增刚 2009 中国图像图形学报 14 1819]
[18] Jin J X, Qiu S S 2010 Acta Phys. Sin. 59 792 (in Chinese) [晋建秀, 邱水生 2010 59 792]
[19] Zhang C X, Yu S M 2010 Acta Phys. Sin. 59 3017 (in Chinese) [张朝霞, 禹思敏 2010 59 3017]
[20] Sun K H, He S B, Sheng L Y 2011 Acta Phys. Sin. 60 020505 (in Chinese) [孙克辉, 贺少波, 盛利元 2011 60 020505]
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[1] Fan Y C, Chiou J C, Jiang Y H 2011 IEEE Trans. Magn. 47 679
[2] Shen L Q, Liu Z, Yan T, Zhang Z Y, An P 2011 IEEE Trans. Circ. Syst. Video Techn. 20 925
[3] Shao F, Jiang G Y, Wang X, Yu M, Chen K 2010 IEEE Trans. Consume Electron. 56 2460
[4] Fan Y C, Kung Y T, Lin B L 2011 IEEE Trans. Magn. 47 683
[5] Zhu Z J, Wang Y E, Jiang G Y, Liang F 2007 J. Image Graph. 12 68 (in Chinese) [朱仲杰, 王玉儿, 蒋刚毅, 梁丰 2007 中国图像图形学报 12 68]
[6] Lin Y H, Wu J L 2011 IEEE Trans. Broadcas. 57 602
[7] Alattar A M, Digimarc C, Tualatin O 2004 IEEE Trans. Image Process. 13 1147
[8] Zhang X P, Wang S Z, Qian Z X, Feng G R 2011 IEEE Trans. Image Process. 20 485
[9] Zeng G R, Qiu Z D 2010 Acta Phys. Sin. 59 5870 (in Chinese) [曾高荣, 裘正定 2010 59 5870]
[10] Wen Q, Sun T F, Wang S X 2003 Acta Electron. Sin. 31 214 (in Chinese) [温泉, 孙锬锋, 王树勋 2003 电子学报 31 214]
[11] Wu X Y, Guan Z H 2007 Phys. Lett. A 365 403
[12] Mooney A, Keating J G 2009 Chaos Solitons Fract. 42 560
[13] Song W, Hou J J, Li Z H, Huang L 2009 Acta Phys. Sin. 58 4449 (in Chinese) [宋伟, 侯建军, 李赵红, 黄亮 2009 58 4449]
[14] Hu Y F, Zhu S A 2008 J. Zhejiang Univ. (Eng. Sci.) 42 593 (in Chinese) [胡裕峰, 朱善安 2008 浙江大学学报(工学版) 42 593]
[15] He H J, Zhang J S 2007 Acta Phys. Sin. 56 3092 (in Chinese) [和红杰, 张家树 2007 56 3092]
[16] Zou L J, Wang B, Feng J C 2008 Acta Phys. Sin. 57 2750 (in Chinese) [邹露娟, 汪波, 冯久超 2008 57 2750]
[17] Xu T, Zhang Y N, Sun J Q, Zheng J B, Ling Z G 2009 J. Image Graph. 14 1819 (in Chinese) [徐涛, 张艳宁, 孙瑾秋, 郑江滨, 林增刚 2009 中国图像图形学报 14 1819]
[18] Jin J X, Qiu S S 2010 Acta Phys. Sin. 59 792 (in Chinese) [晋建秀, 邱水生 2010 59 792]
[19] Zhang C X, Yu S M 2010 Acta Phys. Sin. 59 3017 (in Chinese) [张朝霞, 禹思敏 2010 59 3017]
[20] Sun K H, He S B, Sheng L Y 2011 Acta Phys. Sin. 60 020505 (in Chinese) [孙克辉, 贺少波, 盛利元 2011 60 020505]
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