Digital Signature Scheme for Image

Abstract

See, stats, and : https : / / www . researchgate . net / publication / 269671126 Digital Article DOI : 10 . 5120 / 7708 - 1012 CITATION 1 READS 29 2 , including : Shankar . Patil Bharati , Navi 7 SEE All . Patil . The . ABSTRACT Image authentication techniques have recently gained great attention due to its importance for a large number of multimedia applications . Digital images are increasingly transmitted over non - secure channels such as the Internet . Therefore , military , medical and quality control images must be protected against attempts to manipulate them ; such manipulations could tamper the decisions based on these images . To protect the authenticity of multimedia images , several approaches have been proposed . These approaches include conventional cryptography , fragile and semi - fragile watermarking and digital signatures that are based on the image content . The aim of this paper is to present emerging technique for image authentication . It also introduces the new concept of image content authentication and discusses the most important requirements for an effective image authentication system design . Methods which are described provide strict or selective authentication , tamper detection , localization and reconstruction capabilities and robustness against different desired image processing operations . [ 1 ]