35 search results - page 5 / 7 » Image Tampering Identification using Blind Deconvolution |
ICIP
2004
IEEE
15 years 11 months ago
2004
IEEE
An interesting problem in digital forensics is that given a digital image, would it be possible to identify the camera model which was used to obtain the image. In this paper we l...
ICIP
2008
IEEE
15 years 11 months ago
2008
IEEE
The Fourier phase spectrum of an image is well known to contain crucial information about the image geometry, in particular its contours. In this paper, we show that it is also st...
ISCAS
2005
IEEE
15 years 3 months ago
2005
IEEE
—The pervasive distribution of digital images triggers an emergent need of authenticating degraded images by lossy compression and transmission. This paper proposes a robust cont...
ISNN
2010
Springer
15 years 2 months ago
2010
Springer
In the context of relating specific brain functions to specific brain structures, second-order blind identification (SOBI) is one of the blind source separation algorithms that hav...
TSP
2008
14 years 9 months ago
2008
This correspondence presents new approaches for optimizing kurtosis-based separation criteria in the case of long mixture recordings. Our methods are based on a multivariate polyno...