IMPROVEMENT OF RADON TRANSFORM-BASED PERCEPTUAL HASHING USING IMAGE NORMALIZATION
Kelsey Alejandra Ramírez-Gutiérrez, Mariko Nakano-Miyatake, Hector Manuel Perez-Meana · International Journal of Computers and Applications · 2012
This paper proposes an improvement method using image normalization for Radon transform (RT)-based perceptual image hashing in which a normalized image is generated before the image hashing estimation doing it invariant to a wide range of geometric distortions.