785 search results - page 38 / 157 » On the Hilbert Transform of Wavelets |
ISCAS
1993
IEEE
13 years 12 months ago
1993
IEEE
An algorithm is presented for fast implementation of time-varying wavelet packets maintaining perfect reconstruction throughout transitions. It is based on filter banks known as t...
BMVC
2010
13 years 5 months ago
2010
We describe a new multiscale keypoint detector and a set of local visual descriptors, both based on the efficient Dual-Tree Complex Wavelet Transform. The detector has properties ...
ICPR
2004
IEEE
14 years 8 months ago
2004
IEEE
The shapes occurring in the images are important in the content-based image retrieval. In this paper we introduce a new Fourier-based descriptor for the characterization of the sh...
TIP
2008
13 years 7 months ago
2008
Abstract--We propose a vector/matrix extension of our denoising algorithm initially developed for grayscale images, in order to efficiently process multichannel (e.g., color) image...
RC
1998
13 years 7 months ago
1998
In computer and electronic manufacturing, it is very important to be able to automatically check whether the surface mounted devices (SMD) are correctly placed on the printed circ...