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» Compressing Pattern Databases
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PODS
2001
ACM
145views Database» more  PODS 2001»
14 years 7 months ago
Optimization of Sequence Queries in Database Systems
The need to search for complex and recurring patterns in database sequences is shared by many applications. In this paper, we discuss how to express and support efficiently sophis...
Reza Sadri, Carlo Zaniolo, Amir M. Zarkesh, Jafar ...
ICDAR
2003
IEEE
14 years 29 days ago
Writer Identification based on the fractal construction of a reference base
Our aim is to achieve writer identification process thanks to a fractal analysis of handwriting style. For each writer, a set of characteristics is extracted. They are specific to...
Audrey Seropian, M. Grimaldi, Nicole Vincent
TIFS
2008
121views more  TIFS 2008»
13 years 7 months ago
Effect of Severe Image Compression on Iris Recognition Performance
We investigate three schemes for severe compression of iris images in order to assess what their impact would be on recognition performance of the algorithms deployed today for ide...
John Daugman, Cathryn Downing
ICIP
2004
IEEE
14 years 9 months ago
A novel progressive thick slab paradigm for volumetric medical image compression and navigation
In this paper, we propose a novel thick slab paradigm which provides an efficient scheme to navigate through large three dimensional (3-D) medical data sets within the framework o...
S. V. Bharath Kumar, Sudipta Mukhopadhyay, Vishram...
WAW
2009
Springer
136views Algorithms» more  WAW 2009»
14 years 2 months ago
Permuting Web Graphs
Since the first investigations on web graph compression, it has been clear that the ordering of the nodes of the graph has a fundamental influence on the compression rate (usuall...
Paolo Boldi, Massimo Santini, Sebastiano Vigna