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AFPAC
2000
Springer
257views Mathematics» more  AFPAC 2000»
14 years 1 months ago
The Multidimensional Isotropic Generalization of Quadrature Filters in Geometric Algebra
In signal processing, the approach of the analytic signal is a capable and often used method. For signals of finite length, quadrature filters yield a bandpass filtered approxim...
Michael Felsberg, Gerald Sommer
ECCV
2010
Springer
14 years 1 months ago
A Robust and Scalable Approach to Face Identification
The problem of face identification has received significant attention over the years. For a given probe face, the goal of face identification is to match this unknown face against ...
CHI
2010
ACM
14 years 1 months ago
Mobile questionnaires for user experience evaluation
As user experience studies move from laboratories to mobile context, we need tools for collecting data in natural settings. Based on the results from a pilot study, we present ear...
Heli Väätäjä, Virpi Roto
SIGMOD
1999
ACM
98views Database» more  SIGMOD 1999»
14 years 1 months ago
Self-tuning Histograms: Building Histograms Without Looking at Data
In this paper, we introduce self-tuning histograms. Although similar in structure to traditional histograms, these histograms infer data distributions not by examining the data or...
Ashraf Aboulnaga, Surajit Chaudhuri
ICIP
1999
IEEE
14 years 1 months ago
Wavelet-Domain Regularized Deconvolution for ILL-Conditioned Systems
by 0. In the discrete Fourier transform (DFT) domain, We propose a hybrid approach to wavelet-based image deconvolution that comprises Fourier-domain system inversion followed by w...
Ramesh Neelamani, Hyeokho Choi, Richard G. Baraniu...