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EUROGRAPHICS
2010
Eurographics
16 years 1 months ago
Two-Colored Pixels
In this paper we show how to use two-colored pixels as a generic tool for image processing. We apply twocolored pixels as a basic operator as well as a supporting data structure f...
Darko Pavic and Leif Kobbelt
CHI
2010
ACM
15 years 11 months ago
Social network activity and social well-being
Previous research has shown a relationship between use of social networking sites and feelings of social capital. However, most studies have relied on self-reports by college stud...
Moira Burke, Cameron Marlow, Thomas M. Lento
CIKM
2009
Springer
15 years 11 months ago
Feature selection for ranking using boosted trees
Modern search engines have to be fast to satisfy users, so there are hard back-end latency requirements. The set of features useful for search ranking functions, though, continues...
Feng Pan, Tim Converse, David Ahn, Franco Salvetti...
UM
2009
Springer
15 years 11 months ago
PerspectiveSpace: Opinion Modeling with Dimensionality Reduction
Abstract. Words mean different things to different people, and capturing these differences is often a subtle art. These differences are often “a matter of perspective,” and...
Jason B. Alonso, Catherine Havasi, Henry Lieberman
ISBI
2008
IEEE
15 years 11 months ago
Comparative assessment of different energy mapping methods for generation of 511-keV attenuation map from CT images in PET/CT sy
The use of X-ray CT images for CT-based attenuation correction (CTAC) of PET data results in the decrease of overall scanning time and creates a noise-free attenuation map (μmap)...
Maryam Shirmohammad, Mohammad Reza Ay, Saeed Sarka...