Ask a Question

Prefer a chat interface with context about you and your work?

Nonlocal Means With Dimensionality Reduction and SURE-Based Parameter Selection

Nonlocal Means With Dimensionality Reduction and SURE-Based Parameter Selection

Nonlocal means (NLM) is an effective denoising method that applies adaptive averaging based on similarity between neighborhoods in the image. An attractive way to both improve and speed-up NLM is by first performing a linear projection of the neighborhood. One particular example is to use principal components analysis (PCA) to …