Fast and robust watermarking in still images based on QR decomposition

Naderahmadian, Yashar; Hosseini-Khayat, Saied

doi:10.1007/s11042-013-1559-9

Cited by 45 publications

(42 citation statements)

References 15 publications

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“…Spatial domain techniques embed a watermark of a given image by modifying its pixels directly. This technique is easy to implement and requires few computational resources [2,3]. On the other hand, the transform domain technique is applied to coefficients obtained as the result of a frequency transform of either a whole image or single block-shaped regions of a frame.…”

Section: Introductionmentioning

confidence: 99%

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Blind Image Watermarking in Canonical and Cepstrum Domains Based on 4-Connected t-o’clock Scrambling

et al. 2020

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Copyright protection of multimedia content is confronted with great challenges such as easy access to the Internet. Digital watermarking is widely applicable technique for copyright protection of multimedia contents. In this paper, a blind symmetric watermarking method in canonical and cepstrum domains based on four-connected t-o'clock scrambling is proposed. Initially, the watermark image is scrambled using the four-connected t-o'clock method to enhance the security. Then, the rotation operation is applied to the host image to extract the region where the watermark bits are embedded. After that, discrete linear canonical transform (DLCT) is applied to the extracted region to obtain the DLCT region. Cepstrum transform (CT) is performed on DLCT region to attain CT region. The CT region is then divided into non-overlapping blocks. The watermark bits are inserted into each block using max-heap and min-heap tree property. Experimental results illustrate that the proposed method shows high robustness against numerous attacks. Moreover, it produces high quality watermarked images and provides high security. Furthermore, it has superior performance to recent methods in terms of imperceptibility, robustness, and security.

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Section: Introductionmentioning

confidence: 99%

“…Yashar et al [2] suggested a blind gray-scale image watermarking method based on the QR decomposition. In this method, the watermark bit is embedded into the R matrix; however, the imperceptibility is not quite satisfactory.…”

Section: Introductionmentioning

confidence: 99%

Blind Image Watermarking in Canonical and Cepstrum Domains Based on 4-Connected t-o’clock Scrambling

et al. 2020

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“…Because the watermark embedded in the transform domain can not only improve the invisibility, but also improve the robustness. In the transform domain watermarking, discrete wavelet transform (DWT), the discrete fractional Fourier transform (DFRFT), singular value decomposition (SVD) and QR decomposition are widely used in this field (Agarwal et al, 2015;Rawat and Raman, 2012;Lang and Zhang, 2014;Chung et al, 2007;Naderahmadian and Hosseini-Khayat, 2014;.…”

Section: Introductionmentioning

confidence: 99%

Novel image watermarking method based on FRWT and SVD

Zhuo

2018

IJESDF

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The fractional wavelet transform (FRWT) is a generation of WT associated with the convolution theorem in fractional Fourier transform (FRFT) domain. The FRWT not only inherits the advantages of multi-resolution analysis of the wavelet transform (WT), but also has the capability of image representations in the FRFT domain. In view of the above characteristics, a novel digital image watermarking method based on FRWT and SVD is proposed in this paper. The experimental results show that this method is robust to geometric attacks and image processing attack.

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“…Digital image, as one of the most common digital products in our daily life, is under a serious security threat, such as being manipulated, tampered, and distributed with the help of some powerful image processing tools. Watermarking is a frequently used scheme to ensure the security of the protected host images . When the image is tampered for specific purposes by the attacker without the permission of the content owner, the undetected counterfeits may have serious consequences.…”

Section: Introductionmentioning

confidence: 99%

A recoverable chaos‐based fragile watermarking with high PSNR preservation

Xiao

Hong

et al. 2016

Security Comm Networks

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The preservation of high peak signal‐to‐noise ratio of the watermarked image is required in some applications. The chaos‐based fragile watermarking proposed by Rawat et al. in 2011 can meet this requirement, for only one LSB plane of the original image is modified by the watermark data. However, there are three drawbacks in the original scheme: (i) insecurity, the host image can be tampered without being detected; (ii) the detected tampered area is incomplete; and (iii) the most important thing is that the tampered area is unrecoverable. Enlightened by the work of Rawat et al., we propose a new recoverable chaos‐based fragile watermarking scheme, in which all of the drawbacks in the original scheme have been overcome, while the size of the watermark is unchanged, therefore the high peak signal‐to‐noise ratio characteristic can be preserved. The chaotic map is used to ensure the security; the idea of block dividing is adopted to improve the tamper detection and to make storage space for the recovery data embedding; and the border matching recovery based on vector quantization is proposed to improve the recovery result of the target image. Experiments show that our method is secure and recoverable, and the recovery ability is extremely satisfactory. Copyright © 2016 John Wiley & Sons, Ltd.

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Fast and robust watermarking in still images based on QR decomposition

Cited by 45 publications

References 15 publications

Blind Image Watermarking in Canonical and Cepstrum Domains Based on 4-Connected t-o’clock Scrambling

Blind Image Watermarking in Canonical and Cepstrum Domains Based on 4-Connected t-o’clock Scrambling

Novel image watermarking method based on FRWT and SVD

A recoverable chaos‐based fragile watermarking with high PSNR preservation

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