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Image Authentication

IMAGE AUTHENTICATION FOR PNG AND JPEG IMAGES WITH DATA REPAIR CAPABILITY

IMAGE AUTHENTICATION FOR PNG AND JPEG IMAGES WITH DATA REPAIR CAPABILITY

... for authentication and repairing, no destruction will occur to the input image in the process of ...conentional image authentication methods often sacrifice part image contents, such as ...

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A High Integrity Approach to Digital Image Authentication

A High Integrity Approach to Digital Image Authentication

... for image authentication and for protection of images from some unwanted modifications such as tampering in digital image processing ...received image and also to locate the tampered ...

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Image Authentication by Features Extraction and          Biomeric key

Image Authentication by Features Extraction and Biomeric key

... an image hashing method is developed using both global and local ...the image as a ...of image forgeryand locations of forged areas can be ...of image authenticationusing the proposed scheme ...

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Iris Recognition based Image Authentication

Iris Recognition based Image Authentication

... most authentication techniques based on watermarking, the original image is inevitably distorted due to the authentication ...by authentication if the image is verified as ...lossless) ...

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A Comparative Study of Image Authentication Techniques in Noisy Channels

A Comparative Study of Image Authentication Techniques in Noisy Channels

... of image authentication techniques grows in day to day ...etc. Image authentication actually provides image ...the image authentication, a small change in the image ...

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Fractal Fourier Transforms Based Image Authentication

Fractal Fourier Transforms Based Image Authentication

... The Fourier transforms plays an important role in several image processing techniques. In this paper, a new view point to Fourier transform and analysis in fractal space is proposed, based on local fractal Fourier ...

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SEGMENTATION BASED IMAGE AUTHENTICATION FOR IMAGE FORGERY CLASSIFICATION AND LOCALIZATION

SEGMENTATION BASED IMAGE AUTHENTICATION FOR IMAGE FORGERY CLASSIFICATION AND LOCALIZATION

... images. Image authentication is such a promising technique to automatically identify whether a query image is a different one, or a fabrication, or a simple copy of an anchor ...image. ...

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Transform Based Digital Image Watermarking Techniques for Image Authentication

Transform Based Digital Image Watermarking Techniques for Image Authentication

... Abstract— In the past few years many new techniques and concepts based on data hiding have been introduced for image authentication and copy right protection. With a lot of information available on various ...

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Robust Image Hashing Based on Local Features for Image Authentication

Robust Image Hashing Based on Local Features for Image Authentication

... counterfeits. Image hashing is one of the important methods for image ...of image hashing is derived from cryptographic ...an image, even after many manipulations such as JPEG compression, it ...

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A Survey of Watermarking Algorithms for Image Authentication

A Survey of Watermarking Algorithms for Image Authentication

... (Image Authentication System) from Epson ...from image authentication for expert needs, to the protec- tion of digital documents, for example, images from security video cameras, in the event ...

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Image Authentication System using LDPC and Watermarking Technique

Image Authentication System using LDPC and Watermarking Technique

... The authentication server provides a user with a LDPC encoded image projection and the Encrypted Image as authentication data and the user attempts to decode this bitstream using the ...

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Comparative Evaluation of Semi Fragile Watermarking Algorithms for Image Authentication

Comparative Evaluation of Semi Fragile Watermarking Algorithms for Image Authentication

... multimedia authentication systems have been pro- posed in the last few years for ensuring the integrity and origin of multimedia data such as ...images. Image authen- tication is used for verifying the ...

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DIGITAL WATERMARKING TECHNIQUE FOR IMAGE AUTHENTICATION AND RECOVERY

DIGITAL WATERMARKING TECHNIQUE FOR IMAGE AUTHENTICATION AND RECOVERY

... In this paper we can conclude that a reliable digital image watermarking technique has been developed. The images in the Experimental Results show that the watermark logo can be successfully embedded in and ...

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AN IMPROVED INVISIBLE WATERMARKING TECHNIQUE FOR IMAGE AUTHENTICATION

AN IMPROVED INVISIBLE WATERMARKING TECHNIQUE FOR IMAGE AUTHENTICATION

... host image and values in LL1subband forms the first ...original image andthe newly developed method is robust against many common image attacks and experimentalresults verify ...

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AN IMAGE AUTHENTICATION BASED ON DWT DCT AND SVD

AN IMAGE AUTHENTICATION BASED ON DWT DCT AND SVD

... scales image that are “Lena”. The initial pictures (host image) are shown in ...watermarked image is ...watermarked image is attacked by mathematician Noise, Filtering, Rotation and Salt and ...

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Secure watermarking techniques for image authentication using SVD

Secure watermarking techniques for image authentication using SVD

... Chaturvedi Navnidhi and Dr. S.J. Basha (2012) evaluated DWT and DWT-DCT techniques on the basis of PSNR assessments having value 58.39 dB for DWT-DCT scheme and 51.466 dB for DWT respectively and after winding up the ...

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Image authentication for secure login

Image authentication for secure login

... For authentication at the time of login or upload file and for viewing for any purpose we can create security purpose generate recognition IASL, the user need to recognize their previous choice among a large set ...

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Authentication of Grayscale Document Images with Data Repair Capability Using Shamir's Secret Method

Authentication of Grayscale Document Images with Data Repair Capability Using Shamir's Secret Method

... Authentication of digital documents are used in a wide range of application areas such as legal documents, certificates along with important records such as fax insurance and personal data which is later digitized ...

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Comparison of Digital Image watermarking Methods DWT & DWT-DCT on the Basis of PSNR

Comparison of Digital Image watermarking Methods DWT & DWT-DCT on the Basis of PSNR

... Digital Image Watermarking is a technique which provide solution for Copyright, image authentication and other issuesWatermarking deals with decomposing original image called Cover ...

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A Multi-Purpose Semi-Fragile Watermarking Scheme for Digital Images

A Multi-Purpose Semi-Fragile Watermarking Scheme for Digital Images

... combine image authentication with colour image compression within the digital watermarking paradigm has been ...generates authentication watermark from the DCT domain of the luminance ...

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