785 search results - page 29 / 157 » On the Hilbert Transform of Wavelets |
ICDE
1999
IEEE
14 years 9 months ago
1999
IEEE
Time series stored as feature vectors can be indexed by multidimensional index trees like R-Trees for fast retrieval. Due to the dimensionality curse problem, transformations are ...
ICIP
2006
IEEE
14 years 9 months ago
2006
IEEE
In subband image and video compression, the issue of dyadic spatial scalability with a downsizing ratio of 2:1 has already been widely investigated. In some application scenarios,...
CAIP
2007
Springer
14 years 1 months ago
2007
Springer
In the present study, a new gridding method based on continuous wavelet transform (CWT) was performed. Line profiles of x and y axis were calculated, resulting to 2 different signa...
BIOSTEC
2008
13 years 9 months ago
2008
Abstract. The wavelet transform is a widely used pre-filtering step for subsequent R spike detection by thresholding of the coefficients. The time-frequency decomposition is indeed...
TMI
2008
13 years 7 months ago
2008
In this article, we propose an automatic method to detect microaneurysms in retina photographs. Microaneurysms are the most frequent and usually the first lesions to appear as a co...