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IJCNN
2006
IEEE
14 years 1 months ago
Extraction of Components with Structured Variance
Abstract— We present a method for exploratory data analysis of large spatiotemporal data sets such as global longtime climate measurements, extending our previous work on semibli...
Alexander Ilin, Harri Valpola, Erkki Oja
KDD
2007
ACM
167views Data Mining» more  KDD 2007»
14 years 8 months ago
Generalized component analysis for text with heterogeneous attributes
We present a class of richly structured, undirected hidden variable models suitable for simultaneously modeling text along with other attributes encoded in different modalities. O...
Xuerui Wang, Chris Pal, Andrew McCallum
ICDAR
2005
IEEE
14 years 1 months ago
Camera-based Degraded Character Segmentation into Individual Components
In this article we present a novel fully automatic character segmentation for camera-based images. This is a top-down approach inspired by the human visual system: the high level ...
Céline Mancas-Thillou, Matei Mancas, Bernar...
PR
2007
194views more  PR 2007»
13 years 7 months ago
Decolorize: Fast, contrast enhancing, color to grayscale conversion
We present a new contrast enhancing color to grayscale conversion algorithm which works in real-time. It incorporates novel techniques for image sampling and dimensionality reduct...
Mark Grundland, Neil A. Dodgson
SIAMSC
2011
140views more  SIAMSC 2011»
12 years 10 months ago
A Fast Parallel Algorithm for Selected Inversion of Structured Sparse Matrices with Application to 2D Electronic Structure Calcu
Abstract. An efficient parallel algorithm is presented and tested for computing selected components of H−1 where H has the structure of a Hamiltonian matrix of two-dimensional la...
Lin Lin, Chao Yang, Jianfeng Lu, Lexing Ying, Wein...