Title :
Digital signature with localization for image authentication
Author :
Kim, Mi-Ae ; Yoo, Kil-Sang ; Lee, Won-Hyung
Author_Institution :
Grad. Sch. of Adv. Imaging Sci., Chung-Ang Univ., Seoul, South Korea
Abstract :
This paper proposes a method of extracting a digital signature that can localize tampered areas. The method of generating the digital signature of an image is based on the regularity properties of wavelet transform coefficients.
Keywords :
digital signatures; image coding; wavelet transforms; digital signature extraction; image authentication localization; wavelet transform coefficients; Authentication; Digital signatures; Feature extraction; Image coding; Image edge detection; Wavelet transforms;
Conference_Titel :
Consumer Electronics (ICCE), 2011 IEEE International Conference on
Conference_Location :
Las Vegas, NV
Print_ISBN :
978-1-4244-8711-0
DOI :
10.1109/ICCE.2011.5722831