Extending the Visual Cryptography Algorithm Without Removing Cover Images
Journal Title: INTERNATIONAL JOURNAL OF ENGINEERING TRENDS AND TECHNOLOGY - Year 2013, Vol 4, Issue 4
Abstract
Visual cryptography is a simple and powerful method which can provide high security for confidential information. This technique generate noiselike random pixels on share images to hide secret information which on overlay decrypt the information this technique is known as conventional visual secret sharing schemes. It suffers a management problem, because of which dealers cannot visually identify each share. This problem is solved by the extended visual cryptography scheme (EVCS), which adds a meaningful cover image in each share. But while removing the extra cover image it produces extra noise or degrades the hidden image quality. Hence we are Extending the visual cryptography algorithm without removing cover images where it reduces pixel expansion problem and shares match duration.
Authors and Affiliations
Dr. V. R. Anitha, M. Tech, Ph. d 1 , Dilip kumar Kotthapalli
Keywords
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