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SSDBM
2007
IEEE
116views Database» more  SSDBM 2007»
14 years 3 months ago
A Distributed Algorithm for Joins in Sensor Networks
Given their autonomy, flexibility and large range of functionality, wireless sensor networks can be used as an effective and discrete means for monitoring data in many domains. T...
Alexandru Coman, Mario A. Nascimento
MICAI
2007
Springer
14 years 3 months ago
An EM Algorithm to Learn Sequences in the Wavelet Domain
The wavelet transform has been used for feature extraction in many applications of pattern recognition. However, in general the learning algorithms are not designed taking into acc...
Diego H. Milone, Leandro E. Di Persia
SOFSEM
2007
Springer
14 years 3 months ago
Spatial Selection of Sparse Pivots for Similarity Search in Metric Spaces
Similarity search is a fundamental operation for applications that deal with unstructured data sources. In this paper we propose a new pivot-based method for similarity search, ca...
Oscar Pedreira, Nieves R. Brisaboa
ICAT
2006
IEEE
14 years 2 months ago
Fault Diagnosis System for Turbo-Generator Set Based on Fuzzy Neural Network
When a fault such as unbalance occurs in a turbo-generator set, sensors should be put on its bearing to detect vibration signals for extracting fault symptoms, but the relationshi...
Ping Yang, Qing-miao Wang
ICMCS
2006
IEEE
147views Multimedia» more  ICMCS 2006»
14 years 2 months ago
A Secret Key Based Multiscale Fragile Watermark in the Wavelet Domain
The distribution of the wavelet coefficients in 2-D discrete wavelet transform (DWT) subspaces can be well described by a Gaussian mixture statistical model. In this paper, a secr...
Hua Yuan, Xiao-Ping Zhang