数据降维 Resources

Showing items tagged with "数据降维"

This project demonstrates data dimensionality reduction using Discrete Cosine Transform combined with Principal Component Analysis, applicable to pattern recognition tasks like face recognition, palmprint analysis, expression classification, and fingerprint identification. The implementation involves signal transformation followed by feature extraction techniques.

MATLAB 238 views Tagged

LPP is a highly effective tool for data dimensionality reduction, offering practical applications in various data processing scenarios. It is implemented through an algorithm that preserves local data structures while reducing computational complexity.

MATLAB 221 views Tagged

Orthogonal Linear Discriminant Analysis (OLDA) can be applied to data dimensionality reduction, with key algorithmic differences from traditional LDA through orthogonal projection methods that can be implemented using functions like MATLAB's 'orth' or Python's numpy.linalg.svd for basis calculation.

MATLAB 196 views Tagged