62 search results - page 10 / 13 » JPEG compression history estimation for color images |
ICIP
2007
IEEE
14 years 2 months ago
2007
IEEE
In this paper we propose a novel method of applying motion estimation techniques to human authentication by iris matching. By exploiting the inherent differences in vector fields ...
DCC
2002
IEEE
14 years 8 months ago
2002
IEEE
On-line adaptation to nonstationary distributions is essential to good performance in image coding. Fixed-size contexts (with adaptive tables) are also widely used, in conjunction...
ICIP
2003
IEEE
14 years 10 months ago
2003
IEEE
We present an image segmentation algorithm that is based on spatially adaptive color and texture features. The proposed algorithm is based on a previously proposed algorithm but i...
TIFS
2008
13 years 8 months ago
2008
In this paper, we provide a unified framework for identifying the source digital camera from its images and for revealing digitally altered images using photo-response nonuniformit...
ICIP
2005
IEEE
14 years 2 months ago
2005
IEEE
The problem investigated in this paper is identification of sensor that was used to obtain a given digital image. We show that the high-medium frequency component of the sensor pa...