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» An Auxiliary Variational Method
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CVPR
2007
IEEE
16 years 1 months ago
Conformal Embedding Analysis with Local Graph Modeling on the Unit Hypersphere
We present the Conformal Embedding Analysis (CEA) for feature extraction and dimensionality reduction. Incorporating both conformal mapping and discriminating analysis, CEA projec...
Yun Fu, Ming Liu, Thomas S. Huang
DATE
2007
IEEE
92views Hardware» more  DATE 2007»
16 years 1 months ago
Random sampling of moment graph: a stochastic Krylov-reduction algorithm
In this paper we introduce a new algorithm for model order reduction in the presence of parameter or process variation. Our analysis is performed using a graph interpretation of t...
Zhenhai Zhu, Joel R. Phillips
ICC
2007
IEEE
16 years 1 months ago
A New MIMO Beamforming Technique Based on Rotation Transformations
Abstract— In this paper, we propose a new transmit beamforming technique for multiple-input-multiple-output (MIMO) systems to improve the link level performance. We present a met...
Heunchul Lee, Seokhwan Park, Inkyu Lee
ICMCS
2007
IEEE
180views Multimedia» more  ICMCS 2007»
16 years 1 months ago
Discrete Regularization for Perceptual Image Segmentation via Semi-Supervised Learning and Optimal Control
In this paper, we present a regularization approach on discrete graph spaces for perceptual image segmentation via semisupervised learning. In this approach, first, a spectral cl...
Hongwei Zheng, Olaf Hellwich
ISCAS
2007
IEEE
117views Hardware» more  ISCAS 2007»
16 years 1 months ago
Quantifying Input and Output Spike Statistics of a Winner-Take-All Network in a Vision System
— Event-driven spike-based processing systems offer new possibilities for real-time vision. Signals are encoded asynchronously in time thus preserving the time information of the...
Matthias Oster, Rodney J. Douglas, Shih-Chii Liu