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ISCI
2007
141views more  ISCI 2007»
13 years 10 months ago
A performance comparison of distance-based query algorithms using R-trees in spatial databases
Efficient processing of distance-based queries (DBQs) is of great importance in spatial databases due to the wide area of applications that may address such queries. The most repr...
Antonio Corral, Jesús Manuel Almendros-Jim&...
POPL
2007
ACM
14 years 10 months ago
Locality approximation using time
Reuse distance (i.e. LRU stack distance) precisely characterizes program locality and has been a basic tool for memory system research since the 1970s. However, the high cost of m...
Xipeng Shen, Jonathan Shaw, Brian Meeker, Chen Din...
ISBI
2006
IEEE
14 years 10 months ago
Automatic intima-media thickness measurement of carotid artery wall in B-mode sonographic images
We present a novel method for detecting the intima and adventitia of carotid artery in B-mode sonographic images. This method simultaneously detects both layers with the anatomic ...
Da-Chuan Cheng, Xiaoyi Jiang, Arno Schmidt-Trucks&...
ICPR
2008
IEEE
14 years 4 months ago
Dunn's cluster validity index as a contrast measure of VAT images
This paper addresses the relationship between the Visual Assessment of cluster Tendency (VAT) algorithm and Dunn’s cluster validity index. We present an analytical comparison in...
Timothy C. Havens, James C. Bezdek, James M. Kelle...
ICIAP
2007
ACM
14 years 4 months ago
k-dimensional Size Functions for Shape Description and Comparison
This paper advises the use of k-dimensional size functions for comparison and retrieval in the context of multidimensional shapes, where by shape we mean something in two or highe...
Andrea Cerri, Silvia Biasotti, Daniela Giorgi