510 search results - page 1 / 102 » Sparse probabilistic projections |
NIPS
2008
13 years 6 months ago
2008
We present a generative model for performing sparse probabilistic projections, which includes sparse principal component analysis and sparse canonical correlation analysis as spec...
AAAI
2012
11 years 7 months ago
2012
Probabilistic relational PCA (PRPCA) can learn a projection matrix to perform dimensionality reduction for relational data. However, the results learned by PRPCA lack interpretabi...
ICIP
2009
IEEE
14 years 5 months ago
2009
IEEE
We explore sparse regression for effective feature selection and classification in face identity and expression recognition. We argue that sparse regression in pixel space is inap...
CORR
2008
Springer
13 years 4 months ago
2008
Springer
We present fast algorithms for constructing probabilistic embeddings and approximate distance oracles in sparse graphs. The main ingredient is a fast algorithm for sampling the pr...
ICIAR
2010
Springer
13 years 3 months ago
2010
Springer
The paper presents a novel feature extraction technique for face recognition which uses sparse projection axes to compute a lowdimensional representation of face images. The propos...