37 search results - page 5 / 8 » On the Security of Image Manipulation Forensics |
IJACTAICIT
2010
14 years 7 months ago
2010
This paper presents an improved adaptive algorithm for enhanced data hiding under HH-subband Haar Wavelet coefficients of a gray scale host image. The algorithm uses an optimal se...
ICIP
2001
IEEE
15 years 11 months ago
2001
IEEE
In this paper we investigate the image authentication system SARI, proposed by C.Y. Lin and S.F. Chang [1], that distinguishes JPEG compression from malicious manipulations. In pa...
ICIP
2004
IEEE
15 years 11 months ago
2004
IEEE
To be efficient, data protection algorithms should generally exploit the properties of the media information in the transform domain. In this paper, we will advocate the use of no...
IMCSIT
2010
14 years 7 months ago
2010
Nowadays personal identification is a very important issue. There is a wide range of applications in different spheres, such as video surveillance security systems, control of docu...
CHI
2010
ACM
15 years 4 months ago
2010
ACM
Click-based graphical passwords have attractive usability properties, such as cueing and good memorability. However, image size and number of click-points in each password signifi...