19 search results - page 3 / 4 » Gabor frames by sampling and periodization |
ISLPED
2005
ACM
14 years 2 months ago
2005
ACM
The rate at which a digital signal processing (DSP) system operates depends on the highest frequency component in the input signal. DSP applications must sample their inputs at a ...
VISUALIZATION
2003
IEEE
14 years 2 months ago
2003
IEEE
This paper introduces a method for converting an image or volume sampled on a regular grid into a space-efficient irregular point hierarchy. The conversion process retains the ori...
EJASP
2010
13 years 3 months ago
2010
We adopt the concept of channel diagonalization to time-frequency signal expansions obtained by DFT filter banks. As a generalization of the frequency domain channel representatio...
LREC
2008
13 years 10 months ago
2008
This paper focuses on the influence of changing the text time frame on the performance of a named entity tagger. We followed a twofold approach to investigate this subject: on the...
CVPR
2006
IEEE
14 years 2 months ago
2006
IEEE
Existing methods for video completion typically rely on periodic color transitions, layer extraction, or temporally local motion. However, periodicity may be imperceptible or abse...