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» The Convergence of Iterated Classification
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ICASSP
2009
IEEE
15 years 10 months ago
Shrinkage estimation of high dimensional covariance matrices
We address covariance estimation under mean-squared loss in the Gaussian setting. Specifically, we consider shrinkage methods which are suitable for high dimensional problems wit...
Yilun Chen, Ami Wiesel, Alfred O. Hero
ICC
2009
IEEE
114views Communications» more  ICC 2009»
15 years 10 months ago
Distributed Gradient Based Gain Allocation for Coherent Multiuser AF Relaying Networks
—A set of distributed non-cooperating relay antennas is known to be capable of orthogonalizing multiple sourcedestination pairs in space by coherent amplify-and-forward (AF) rela...
Celal Esli, Jörg Wagner, Armin Wittneben
ACCV
2009
Springer
15 years 10 months ago
Evolving Mean Shift with Adaptive Bandwidth: A Fast and Noise Robust Approach
Abstract. This paper presents a novel nonparametric clustering algorithm called evolving mean shift (EMS) algorithm. The algorithm iteratively shrinks a dataset and generates well ...
Qi Zhao, Zhi Yang, Hai Tao, Wentai Liu
CRV
2008
IEEE
205views Robotics» more  CRV 2008»
15 years 10 months ago
Accurate Boundary Localization using Dynamic Programming on Snakes
The extraction of contours using deformable models, such as snakes, is a problem of great interest in computer vision, particular in areas of medical imaging and tracking. Snakes ...
Akshaya Kumar Mishra, Paul W. Fieguth, David A. Cl...
ICARCV
2008
IEEE
199views Robotics» more  ICARCV 2008»
15 years 10 months ago
Error propagation suppression in Self-servo Track Writer by time-domain control design
—Control design of Self-servo Track Writer (SSTW) has become an important issue in Hard Disk Drive research. This paper discusses the error propagation problem in SSTW control. A...
Sehoon Oh, Yoichi Hori