81 search results - page 4 / 17 » Curvelet transform on the sphere |
BMCBI
2011
13 years 1 months ago
2011
Background: Automated, image based high-content screening is a fundamental tool for discovery in biological science. Modern robotic fluorescence microscopes are able to capture th...
ICIP
2007
IEEE
14 years 9 months ago
2007
IEEE
Directional information is an important component of both natural and synthetic images, and it is exploited in many image processing applications. Directional basis analysis is us...
ISBI
2007
IEEE
14 years 1 months ago
2007
IEEE
Complex shapes - such as the surface of the human brain may be represented and analyzed in frequency space by a spherical harmonics transformation. A key step of the processing ch...
JGTOOLS
2008
13 years 7 months ago
2008
We present a fast vectorized implementation of a transform that maps points in the unit square to the surface of the sphere, while preserving fractional area. The mapping uses the ...
ISBI
2008
IEEE
14 years 8 months ago
2008
IEEE
We propose a deconvolution algorithm for images blurred and degraded by a Poisson noise. The algorithm uses a fast proximal backward-forward splitting iteration. This iteration mi...