2267 search results - page 55 / 454 » Images as Bags of Pixels |
JCP
2008
13 years 9 months ago
2008
Multi-pixel encoding is an emerging method in visual cryptography for that it can encode more than one pixel for each encoding run. Nevertheless, in fact its encoding efficiency is...
ICIP
2010
IEEE
13 years 6 months ago
2010
IEEE
Direct implementations of bilateral filtering show O(r2 ) computational complexity per pixel, where r is the filter window radius. Several lower complexity methods have been devel...
EUROGRAPHICS
2010
Eurographics
13 years 10 months ago
2010
Eurographics
This paper proposes two variants of a simple but efficient algorithm for structure-preserving halftoning. Our algorithm extends Floyd-Steinberg error diffusion; the goal of our ex...
ICIP
2003
IEEE
14 years 10 months ago
2003
IEEE
In stereovision systems, the depth information of objects in the scene can be obtained by estimating the disparity, i.e. the displacement of corresponding pixels in the image pair...
ICIP
2002
IEEE
14 years 10 months ago
2002
IEEE
In this paper, we adopt local Fourier transform as a texture representation scheme and derive eight characteristic maps for describing different aspects of co-occurrence relations...