A Short Survey on Perceptual Hash Function

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ID: 13782
2014
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Abstract
The authentication of digital image has become more important as these images can be easily manipulated by using image processing tools leading to various problems such as copyright infringement and hostile tampering to the image contents. It is almost impossible to distinguish subjectively which images are original and which have been manipulated. There are several cryptographic hash functions that map the input data to short binary strings but these traditional cryptographic hash functions is not suitable for image authentication as they are very sensitive to every single bit of input data. When using a cryptographic hash function, the change of even one bit of the original data results in a radically different value. A modified image should be detected as authentic by the hash function and at the same time must be robust against incidental and legitimate modifications on multimedia data. The main aim of this paper is to present a survey of perceptual hash functions for image authentication. Keywords: Hash function, image authentication *Cite as: Arambam Neelima, Kh. Manglem Singh, “A Short Survey on Perceptual Hash Function” ADBU-J.Engg Tech, 1(2014) 0011405(8pp)
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neelima2014aadbu Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Arambam Neelima;Kh Manglem Singh;
Journal adbu journal of engineering technology
Year 2014
DOI
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URL
http://journals.dbuniversity.ac.in/ojs/index.php/AJET/article/download/15/pdf_2
Keywords Keywords not found

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