A Statistical Approach for Ownership Identification of Digital Images

Hsu, Ching-Sheng; Tu, Shu-Fen; Hou, Young‐Chang

doi:10.1007/11864349_61

Cited by 4 publications

(6 citation statements)

References 6 publications

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“…Visual cryptography [13][14][15] is such one kind of lossless watermarking scheme which furnishes the requirement by utilizing the codebook concept to divide an image into several different sharing images and produce the same by stacking when a dispute for ownership arises.Visual cryptography serves as a good technique against tampering of digital media and proving its rightful ownership and gained much attention for researchers in recent years. Many watermarking schemes based on visual cryptography have already been proposed [19][20][21][22][23][24][25][26]. The basic idea is to generate two shares of the watermark…”

Section: Related Workmentioning

confidence: 99%

“…Consequently, these two shares are stacked up to reveal the watermark and visually decrypt it to prove the rightful ownership. A visual cryptographic watermarking scheme based on the concept of generation of two based on the pixel values of the binary watermark, its global mean and also, the mean of some random pixels within the image was proposed in [20][21]. Other scheme comparing the global mean of the pixels values has been proposed in [22].…”

Section: International Journal Of Computer Applications (0975 -8887)mentioning

confidence: 99%

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A Visual Cryptography based Watermarking Scheme Incorporating the Concepts of Homogeneity Analysis and Singular Value Decomposition

Singh¹,

Agarwal²

2013

IJCA

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A visual cryptography based watermarking scheme incorporating the concepts of singular value decomposition (SVD) and the homogeneity analysis of the cover image is proposed here. Firstly, feature vectors are created from the singular values of the homogeneous blocks and thereby classified using the k-medoid clustering technique. A master share is then constructed based on the clustering result and thereafter, combined with the secret binary image (watermark) ownership share is build up. This ownership share is registered with the certificate authority in case to resolve any dispute regarding rightful ownership of the image in future. A two-out-of-two visual cryptography scheme is being used in the proposed methodology and robustness validated by applying comprehensive set of attacks. The peak signal to noise ratio (PSNR) and normalized cross correlation (NCC) metric values are used for evaluation of the scheme. Higher values of these metrics establish the appropriateness of the proposed methodology as compared to the other state of art schemes for copyright protection.

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Section: Related Workmentioning

confidence: 99%

Section: International Journal Of Computer Applications (0975 -8887)mentioning

confidence: 99%

A Visual Cryptography based Watermarking Scheme Incorporating the Concepts of Homogeneity Analysis and Singular Value Decomposition

Singh¹,

Agarwal²

2013

IJCA

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“…Watermarking techniques based on visual cryptography and either discrete wavelet transform or discrete cosine transform have been proposed for copyright protection of the images [19][20][21][22][23][24][25]. These schemes generate two shares of the watermark based on watermark and local statistics of the pixel values.…”

Section: Related Workmentioning

confidence: 99%

“…These two shares are stacked together for the visual decryption to reveal watermark in case of dispute. Hsu and Hou proposed random average watermarking embedding(RAWE) scheme using visual cryptography for generation of shares based on the pixel value of the binary watermark, the global mean of the pixels in the image and the mean of some random pixels from the image [20,21]. An alternative to their method is pixel watermarking embedding (PWE) scheme that compares the global mean with the pixels in the image [11].…”

Section: Related Workmentioning

confidence: 99%

Dual Image Watermarking Scheme based on Singular Value Decomposition and Visual Cryptography in Discrete Wavelet Transform

PushpaDevi¹,

Singh²,

Roy³

2012

IJCA

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There is wide interest in multimedia security and copyright protection due to the explosion of data exchange in the Internet and the extensive use of digital media. An image watermarking scheme based on singular value decomposition and visual cryptography in discrete wavelet transform is proposed. We start with a survey of the current image watermarking technologies, and have noticed that majority of the existing schemes are not capable of resisting all attacks. We propose the idea to use of singular value decomposition and visual cryptography in discrete wavelet transform such that the primary watermarking scheme based on singular value decomposition in the discrete wavelet transform is empowered by the secondary watermarking scheme based on visual cryptography in discrete wavelet transform. Experiments are conducted to verify the robustness through a series of experiments.

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“…Here the feature vector itself acts as a master key to generate the owner share. To reduce the false positive rate C.S Hsu [8,9] generated a master key using sample statistics. Alternatively, Manglem Singh et al [10] have chosen global mean of target image as a threshold.…”

Section: Introductionmentioning

confidence: 99%

Lossless watermarking technique for copyright protection of high resolution images

Gavini

Borra²

2014

2014 Ieee Region 10 Symposium

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With the revolution of E-commerce websites, there is a great need for development of copyright protection techniques, which are able to detect ownership from the Intellectual Property. In this paper, a novel watermarking method, is proposed as a solution for copyright protection of very high resolution images. Application of the concept of Visual Cryptography and Central Limit Theorem, on a Correlation Matrix obtained from the image to be protected is the key approach used in this paper, so as to satisfy the requirements. The proposed method have merits such as 100% imperceptibility and unrestricted watermark image size, without compromising robustness.

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A Statistical Approach for Ownership Identification of Digital Images

Cited by 4 publications

References 6 publications

A Visual Cryptography based Watermarking Scheme Incorporating the Concepts of Homogeneity Analysis and Singular Value Decomposition

A Visual Cryptography based Watermarking Scheme Incorporating the Concepts of Homogeneity Analysis and Singular Value Decomposition

Dual Image Watermarking Scheme based on Singular Value Decomposition and Visual Cryptography in Discrete Wavelet Transform

Lossless watermarking technique for copyright protection of high resolution images

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