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ICDAR
2009
IEEE
15 years 4 months ago
Unsupervised Selection and Discriminative Estimation of Orthogonal Gaussian Mixture Models for Handwritten Digit Recognition
The problem of determining the appropriate number of components is important in finite mixture modeling for pattern classification. This paper considers the application of an unsu...
Xuefeng Chen, Xiabi Liu, Yunde Jia
CIKM
2009
Springer
15 years 4 months ago
Automobile, car and BMW: horizontal and hierarchical approach in social tagging systems
Social tagging systems have recently emerged as an effective way for users to annotate and organize large collections of resources on the Web. Moreover, they also facilitate an e...
Tom Chao Zhou, Irwin King
CIKM
2009
Springer
15 years 4 months ago
On optimising personal network size to manage information flow
PN refer to the set of ties a specific individual has with other people. There is significant variation in the size of an individual’s PN and this paper explores the effect o...
Yu-En Lu, Sam Roberts, Tammy M. K. Cheng, Robin Du...
GECCO
2009
Springer
194views Optimization» more  GECCO 2009»
15 years 4 months ago
Combining evolution strategy and gradient descent method for discriminative learning of bayesian classifiers
The optimization method is one of key issues in discriminative learning of pattern classifiers. This paper proposes a hybrid approach of the Covariance Matrix Adaptation Evolution...
Xuefeng Chen, Xiabi Liu, Yunde Jia
ICB
2009
Springer
226views Biometrics» more  ICB 2009»
15 years 4 months ago
Accurate Palmprint Recognition Using Spatial Bags of Local Layered Descriptors
Abstract. State-of-the-art palmprint recognition algorithms achieve high accuracy based on component based texture analysis. However, they are still sensitive to local variations o...
Yufei Han, Tieniu Tan, Zhenan Sun