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TIP
2008
113views more  TIP 2008»
15 years 6 months ago
Phase Local Approximation (PhaseLa) Technique for Phase Unwrap From Noisy Data
The local polynomial approximation (LPA) is a nonparametric regression technique with pointwise estimation in a sliding window. We apply the LPA of the argument of cos and sin in o...
Vladimir Katkovnik, Jaakko Astola, Karen O. Egiaza...
TIP
2008
125views more  TIP 2008»
15 years 6 months ago
Segmentation by Fusion of Histogram-Based K-Means Clusters in Different Color Spaces
Abstract--This paper presents a new, simple, and efficient segmentation approach, based on a fusion procedure which aims at combining several segmentation maps associated to simple...
Max Mignotte
TIP
2008
302views more  TIP 2008»
15 years 6 months ago
Adaptive Pseudo Dilation for Gestalt Edge Grouping and Contour Detection
We consider the problem of detecting object contours in natural images. In many cases, local luminance changes turn out to be stronger in textured areas than on object contours. Th...
Giuseppe Papari, Nicolai Petkov
TSP
2008
113views more  TSP 2008»
15 years 6 months ago
Covariance Matrix Estimation With Heterogeneous Samples
We consider the problem of estimating the covariance matrix of an observation vector, using heterogeneous training samples, i.e., samples whose covariance matrices are not exactly ...
Olivier Besson, Stéphanie Bidon, Jean-Yves ...
JSAC
2007
200views more  JSAC 2007»
15 years 6 months ago
Analysis of DSRC Service Over-Reach inside an Arched Tunnel
— In this paper, the prediction of received power in the out-of-zone of a Dedicated Short Range Communications (DSRC) system operating inside a typical arched highway tunnel is d...
Gilbert Siy Ching, Mir Ghoraishi, Navarat Lertsiri...