166 search results - page 11 / 34 » Enhancing Steganography in Digital Images |
ICMCS
2006
IEEE
14 years 3 months ago
2006
IEEE
This paper presents a cost-effective image sharpening solution suitable for single-sensor digital cameras. The proposed solution enhances the structural content of the sensor imag...
ICIP
2004
IEEE
14 years 11 months ago
2004
IEEE
Most digital cameras use filter arrays to sample red, green, and blue according to the Bayer pattern or similar ones. At each pixel only one color sample is taken and the values o...
ICIP
2010
IEEE
13 years 7 months ago
2010
IEEE
We propose a new algorithm to detect the presence and the localization of aliasing in a single digital image.Considering the image in Fourier domain, the fact that two frequencies...
MICCAI
2009
Springer
14 years 11 months ago
2009
Springer
Abstract. This paper presents a new technique of coronary digital subtraction angiography which separates layers of moving background structures from dynamic fluoroscopic sequences...
DPHOTO
2009
13 years 7 months ago
2009
The lifetime of solid-state image sensors is limited by the appearance of defects, particularly hot-pixels, which we have previously shown to develop continuously over the sensor ...