Sciweavers

927 search results - page 169 / 186
» Stability of k -Means Clustering
Sort
View
IFIP12
2009
15 years 3 months ago
Mining Patterns of Lung Infections in Chest Radiographs
Chest radiography is a reference standard and the initial diagnostic test performed in patients who present with signs and symptoms suggesting a pulmonary infection. The most commo...
Spyros Tsevas, Dimitrios K. Iakovidis, George Papa...
TOG
2010
157views more  TOG 2010»
15 years 23 days ago
Combining global and local virtual lights for detailed glossy illumination
Accurately rendering glossy materials in design applications, where previewing and interactivity are important, remains a major challenge. While many fast global illumination solu...
Tomás Davidovic, Jaroslav Krivánek, ...
ICASSP
2011
IEEE
14 years 9 months ago
Asymptotically MMSE-optimum pilot design for comb-type OFDM channel estimation in high-mobility scenarios
Under high mobility, the orthogonality between sub-carriers in an OFDM symbol is destroyed resulting in severe intercarrier interference (ICI). We present a novel algorithm to est...
K. M. Zahidul Islam, Tareq Y. Al-Naffouri, Naofal ...
JMLR
2012
13 years 8 months ago
High-Rank Matrix Completion
This paper considers the problem of completing a matrix with many missing entries under the assumption that the columns of the matrix belong to a union of multiple low-rank subspa...
Brian Eriksson, Laura Balzano, Robert Nowak
RECOMB
2005
Springer
16 years 6 months ago
Improved Pattern-Driven Algorithms for Motif Finding in DNA Sequences
Abstract. In order to guarantee that the optimal motif is found, traditional pattern-driven approaches perform an exhaustive search over all candidate motifs of length l. We develo...
Sing-Hoi Sze, Xiaoyan Zhao