Inspec keywords: principal component analysis; face recognition; least squares approximations; learning (artificial intelligence); data reduction

Other keywords: local structures; web image annotation; lower dimensional projections; multiview datasets; robust PCA-optimal mean; penalty weights; dictionary-induced least squares framework; CCA; data distribution; multiview dimensionality reduction; noisy data points; DLS; neighbourhood preserving embedding; principal component analysis idea; visual recognition; face recognition datasets; minimising least squares reconstruction errors; multimanifold embeddings; BLM; outliers free global structures; locality preserving projections

Subjects: Other topics in statistics; Interpolation and function approximation (numerical analysis); Other topics in statistics; Computer vision and image processing techniques; Interpolation and function approximation (numerical analysis); Image recognition