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KDD
2012
ACM
11 years 9 months ago
2012
ACM
Non-negative matrix factorization (NMF) provides a lower rank approximation of a matrix. Due to nonnegativity imposed on the factors, it gives a latent structure that is often mor...
ICDM
2009
IEEE
13 years 4 months ago
2009
IEEE
In this paper, we restudy the non-convex data factorization problems (regularized or not, unsupervised or supervised), where the optimization is confined in the nonnegative orthan...
GIS
2003
ACM
13 years 12 months ago
2003
ACM
Accurate postal code maps have many applications within GIS as the postal code has the potential to link the address description of buildings to their location in a specified glob...
ECCV
2006
Springer
13 years 10 months ago
2006
Springer
Abstract. A novel hybrid region-based and contour-based multiple object tracking model using optical flow based elastic matching is proposed. The proposed elastic matching model is...
SIGMOD
2005
ACM
14 years 6 months ago
2005
ACM
The Discrete Wavelet Transform is a proven tool for a wide range of database applications. However, despite broad acceptance, some of its properties have not been fully explored a...