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ICC
2007
IEEE
111views Communications» more  ICC 2007»
15 years 5 months ago
Exact Multiple Access Analysis for Pulsed DS-UWB Systems with Episodic Transmission in Flat Nakagami Fading
— Exact bit error probabilities (BEP) are derived in closed form for pulsed binary direct sequence ultra-wideband (DS-UWB) multiple access systems in flat Nakagami fading channe...
Mohammad Azizur Rahman, Shigenobu Sasaki, Hisakazu...
JMLR
2010
136views more  JMLR 2010»
14 years 6 months ago
Approximate Riemannian Conjugate Gradient Learning for Fixed-Form Variational Bayes
Variational Bayesian (VB) methods are typically only applied to models in the conjugate-exponential family using the variational Bayesian expectation maximisation (VB EM) algorith...
Antti Honkela, Tapani Raiko, Mikael Kuusela, Matti...
ISBI
2004
IEEE
15 years 12 months ago
Cortical Surface Parameterization by P-Harmonic Energy Minimization
Cortical surface parameterization has several applications in visualization and analysis of the brain surface. Here we propose a scheme for parameterizing the surface of the cereb...
Anand A. Joshi, Richard M. Leahy, Paul M. Thompson...
TIP
2010
205views more  TIP 2010»
14 years 5 months ago
Variational Region-Based Segmentation Using Multiple Texture Statistics
This paper addresses variational supervised texture segmentation. The main contributions are twofold. First, the proposed method circumvents a major problem related to classical t...
Imen Karoui, Ronan Fablet, Jean-Marc Boucher, Jean...
SI3D
2005
ACM
15 years 4 months ago
Level-of-detail representation of bidirectional texture functions for real-time rendering
This paper presents a new technique for rendering bidirectional texture functions (BTFs) at different levels of detail (LODs). Our method first decomposes each BTF image into mul...
Wan-Chun Ma, Sung-Hsiang Chao, Yu-Ting Tseng, Yung...