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EDBT
2009
ACM
172views Database» more  EDBT 2009»
14 years 1 months ago
Continuous visible nearest neighbor queries
In this paper, we identify and solve a new type of spatial queries, called continuous visible nearest neighbor (CVNN) search. Given a data set P, an obstacle set O, and a query li...
Yunjun Gao, Baihua Zheng, Wang-Chien Lee, Gencai C...
ICMCS
2000
IEEE
138views Multimedia» more  ICMCS 2000»
14 years 1 months ago
Event-Coupled Hidden Markov Models
Inferences from time-series data can be greatly enhanced by taking into account multiple modalities. In some cases, such as audio of speech and the corresponding video of lip gest...
Trausti T. Kristjansson, Brendan J. Frey, Thomas S...
ICPR
2000
IEEE
14 years 1 months ago
Boundary Estimation from Intensity/Color Images with Algebraic Curve Models
A new concept and algorithm are presented for noniterative robust estimation of piecewise smooth curves of maximal edge strength in small image windows – typically  ¢¡£  to...
Tolga Tasdizen, David B. Cooper
PODS
1999
ACM
133views Database» more  PODS 1999»
14 years 1 months ago
Processing and Optimization of Multiway Spatial Joins Using R-Trees
One of the most important types of query processing in spatial databases and geographic information systems is the spatial join, an operation that selects, from two relations, all...
Dimitris Papadias, Nikos Mamoulis, Yannis Theodori...
IEEEPACT
1998
IEEE
14 years 1 months ago
Efficient Methods for Multi-Dimensional Array Redistribution
In this paper, we present efficient methods for multidimensional array redistribution. Based on the previous work, the basic-cycle calculation technique, we present a basic-block ...
Yeh-Ching Chung, Ching-Hsien Hsu