1987 search results - page 58 / 398 » Directional filtering transform |
IJON
2006
15 years 2 months ago
2006
We propose a neural architecture that estimates the speed of motion. The basis is a two-dimensional map made of locally connected integrate-and-fire neurons, that propagates and i...
121
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ICIP
1994
IEEE
15 years 6 months ago
1994
IEEE
Many multi-dimensional signal processing problems require the computation of signal gradients or directional derivatives. Traditional derivative estimates based on adjacent or cen...
114
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ICASSP
2007
IEEE
15 years 9 months ago
2007
IEEE
This paper presents a maximum likelihood (ML) framework for multimicrophone sound source localization (SSL). Besides deriving the framework, we focus on making the connection and ...
136
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ISCAS
2007
IEEE
15 years 8 months ago
2007
IEEE
— In this paper, a modified version of the complex directional pyramid (PDTDFB) is proposed. Unlike the previous approach, the new FB provides an approximately tight-frame decom...
104
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ISCAS
2007
IEEE
15 years 8 months ago
2007
IEEE
- We describe a robotic vision system that aligns a camera's optical axis with its direction of translation by estimating the focus of expansion. Visual processing is based on...