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DATE
1999
IEEE
129views Hardware» more  DATE 1999»
15 years 10 months ago
Battery-Powered Digital CMOS Design
In this paper, we consider the problem of maximizing the battery life (or duration of service) in battery-powered CMOS circuits. We first show that the battery efficiency (or utili...
Massoud Pedram, Qing Wu
PODS
1999
ACM
133views Database» more  PODS 1999»
15 years 10 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...
ICDAR
1999
IEEE
15 years 10 months ago
A Two-state Markov Chain Model of Degraded Document Images
We propose a two-state Markov chain model of degraded document images. The model generates random and burst noise to simulate isolated pixel reversal as well as blurring of a larg...
Shamik Sural, P. K. Das
ICEIS
1999
IEEE
15 years 10 months ago
Contour Estimation on Piecewise Homogeneous Random Fields
: Contour Estimation, Bayesian Estimation, Random Fields, Dynamic Programming, Multigrid Methods. This paper addresses contour estimation on images modeled as piecewise homogeneous...
José A. Moinhos Cordeiro, José M. B....
ISCAS
1999
IEEE
124views Hardware» more  ISCAS 1999»
15 years 10 months ago
On the robustness of vector set partitioning image coders to bit errors
A vector enhancement of Said and Pearlman's Set Partitioning in Hierarchical Trees (SPIHT) methodology, named VSPIHT, has recently been proposed for embedded wavelet image co...
D. Mukherjee, S. K. Mitra