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SIAMSC
2008
129views more  SIAMSC 2008»
15 years 6 months ago
Bottom-Up Construction and 2: 1 Balance Refinement of Linear Octrees in Parallel
Abstract. In this article, we propose new parallel algorithms for the construction and 2:1 balance refinement of large linear octrees on distributed memory machines. Such octrees a...
Hari Sundar, Rahul S. Sampath, George Biros
SIGIR
2008
ACM
15 years 6 months ago
Directly optimizing evaluation measures in learning to rank
One of the central issues in learning to rank for information retrieval is to develop algorithms that construct ranking models by directly optimizing evaluation measures used in i...
Jun Xu, Tie-Yan Liu, Min Lu, Hang Li, Wei-Ying Ma
INFORMATICALT
2007
167views more  INFORMATICALT 2007»
15 years 6 months ago
Ultrasound Quantitative Evaluation of Human Eye Cataract
Abstract. A technique to improve an eye cataract early detection and quantitative evaluation of maturity using ultrasound was investigated. A broadband coherent signal, backscatter...
Alvydas Paunksnis, Skaidra Kurapkiene, Audris Maci...
TIP
2008
169views more  TIP 2008»
15 years 6 months ago
Maximum Likelihood Wavelet Density Estimation With Applications to Image and Shape Matching
Density estimation for observational data plays an integral role in a broad spectrum of applications, e.g. statistical data analysis and information-theoretic image registration. ...
Adrian M. Peter, Anand Rangarajan
IWC
2007
120views more  IWC 2007»
15 years 6 months ago
Visualizing set concordance with permutation matrices and fan diagrams
Scientific problem solving often involves concordance (or discordance) analysis among the result sets from different approaches. For example, different scientific analysis met...
Bo Hyoung Kim, Bongshin Lee, Jinwook Seo
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