alexa Abstract | Electromagnetic field (EMF), Electromagnetic radiation (EMR), Electromagnetic pollution.
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
Open Access

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Research Article Open Access

Abstract

Tamper localization capable image watermarking scheme is able to detect the location of manipulated areas, and validate other areas as authentic. The usage of block average intensity in the tamper localization process is one of the popular techniques due to its easy implementation. The effectiveness of using existing and proposed average intensity techniques for tamper localization is tested. The results show that the existing tamper localization process will fail in certain conditions and cause some tampering to be left undetected. However the proposed tamper localization algorithm successfully identifies the region that has been manipulated when the image is received. The accuracy of 8 pixels is achieved by proposed algorithm.

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Author(s): Anandita Bose, Medhashri B K, Ronica Jethwa, Sanjana Murthy

Keywords

ROI (Region of Interest), Block Average Intensity, Tamper Localization, Watermark, LSB (Least Significant Bit.), Environmental Pollution

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