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CORR
2002
Springer
180views Education» more  CORR 2002»
13 years 7 months ago
Non-negative sparse coding
Abstract. Non-negative sparse coding is a method for decomposing multivariate data into non-negative sparse components. In this paper we briefly describe the motivation behind this...
Patrik O. Hoyer
CAIP
2001
Springer
293views Image Analysis» more  CAIP 2001»
14 years 3 days ago
A Markov Random Field Image Segmentation Model Using Combined Color and Texture Features
In this paper, we propose a Markov random field (MRF) image segmentation model which aims at combining color and texture features. The theoretical framework relies on Bayesian est...
Zoltan Kato, Ting-Chuen Pong
CLASSIFICATION
2006
58views more  CLASSIFICATION 2006»
13 years 7 months ago
On a Transvariation Based Measure of Group Separability
: In this paper, the potentialities of transvariation (Gini, 1959) in measuring the separation between two groups of multivariate observations are explored. With this aim, a modifi...
Daniela G. Calò
SCANGIS
2003
13 years 9 months ago
Concept Testing of Some Visualization Methods for Geographic Metadata
Concepts of metadata visualization have been developed in order to help users in understanding of metadata about geographic datasets. These concepts apply graphic samples and four ...
Paula Ahonen-Rainio
FSS
2008
130views more  FSS 2008»
13 years 7 months ago
A fuzzy k-partitions model for categorical data and its comparison to the GoM model
The grade of membership (GoM) model uses fuzzy sets as memberships of each individual to extreme profiles (or classes) on the likelihood function of multivariate multinomial distr...
Miin-Shen Yang, Yu-Hsuan Chiang, Chiu-Chi Chen, Ch...