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ICML
2004
IEEE
14 years 9 months ago
A multiplicative up-propagation algorithm
We present a generalization of the nonnegative matrix factorization (NMF), where a multilayer generative network with nonnegative weights is used to approximate the observed nonne...
Jong-Hoon Ahn, Seungjin Choi, Jong-Hoon Oh
ICRA
2009
IEEE
122views Robotics» more  ICRA 2009»
14 years 3 months ago
Probabilistic search optimization and mission assignment for heterogeneous autonomous agents
— This paper presents an algorithmic framework for conducting search and identification missions using multiple heterogeneous agents. Dynamic objects of type “neutral” or ...
Timothy H. Chung, Moshe Kress, Johannes O. Royset
ISMAR
2009
IEEE
14 years 3 months ago
Augmenting text document by on-line learning of local arrangement of keypoints
We propose a technique for text document tracking over a large range of viewpoints. Since the popular SIFT or SURF descriptors typically fail on such documents, our method conside...
Hideaki Uchiyama, Hideo Saito
DATE
2008
IEEE
104views Hardware» more  DATE 2008»
14 years 3 months ago
Diagnostic Analysis of Static Errors in Multi-Step Analog to Digital Converters
– A new approach for diagnostic analysis of static errors in multi-step ADC based on the steepestdescent method is proposed. To set initial data, estimate the parameter update an...
Amir Zjajo, José Pineda de Gyvez
ICPR
2008
IEEE
14 years 3 months ago
Optimal feature weighting for the discrete HMM
We propose a modified discrete HMM that includes a feature weighting discrimination component. We assume that the feature space is partitioned into subspaces and that the relevan...
Oualid Missaoui, Hichem Frigui