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2002
15 years 7 months ago
Pushing extrema aggregates to optimize logic queries
In this paper, we explore the possibility of transforming queries with minimum and maximum predicates into equivalent queries that can be computed more efficiently. The main contr...
Filippo Furfaro, Sergio Greco, Sumit Ganguly, Carl...
FMSD
1998
60views more  FMSD 1998»
15 years 7 months ago
The General Product Machine: a New Model for Symbolic FSM Traversal
Proving the equivalenceof two Finite State Machines (FSMs) has many applications to synthesis, veri cation, testing, and diagnosis. Building their product machine is a theoretical ...
Gianpiero Cabodi, Paolo Camurati, Fulvio Corno, Pa...
IVC
2002
89views more  IVC 2002»
15 years 7 months ago
A locally adaptive zooming algorithm for digital images
In this paper we address the problem of producing an enlarged picture from a given digital image (zooming). We propose a method that tries to take into account information about d...
Sebastiano Battiato, Giovanni Gallo, Filippo Stanc...
IVC
2002
85views more  IVC 2002»
15 years 7 months ago
Multi-modal gray-level histogram modeling and decomposition
In this paper, we present a novel multi-modal histogram thresholding method in which no a priori knowledge about the number of clusters to be extracted is needed. The proposed met...
Jeng-Horng Chang, Kuo-Chin Fan, Yang-Lang Chang
IVC
2002
192views more  IVC 2002»
15 years 7 months ago
Understanding visual behaviour
Modelling events is one of the key problems in dynamic scene analysis when salient and autonomous visual changes occuring in a scene need to be characterised effectively as meanin...
Shaogang Gong, Hilary Buxton