727 search results - page 33 / 146 » Making Distortions Comprehensible |
MMSEC
2006
ACM
14 years 1 months ago
2006
ACM
In this paper, we study the trade-off in steganography between the number of embedding changes and their amplitude. We assume that each element of the cover image is assigned a sc...
DRM
2004
Springer
14 years 1 months ago
2004
Springer
Today, database relations are widely used and distributed over the Internet. Since these data can be easily tampered with, it is critical to ensure the integrity of these data. In...
SIGGRAPH
2010
ACM
13 years 11 months ago
2010
ACM
We introduce a video retargeting method that achieves high-quality resizing to arbitrary aspect ratios for complex videos containing diverse camera and dynamic motions. Previous c...
DELTA
2004
IEEE
13 years 11 months ago
2004
IEEE
Bilinear interpolation is often used to improve image quality after performing spatial transformation operations such as digital zooming or rotation. In the traditional case where...
MEDIAFORENSICS
2010
13 years 9 months ago
2010
In this paper, we propose a practical approach to minimizing embedding impact in steganography based on syndrome coding and trellis-coded quantization and contrast its performance...