Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Schematic representation of the PCA denoising algorithm. (A) Conversion of an image patch to a signal matrix M. (B) SVD of the signal matrix M. (C) Finding the eigenvalues that lie within the Marchenco‐Pastur distribution and set those to 0. (D) Reconstruction of the image patch using the denoised signal matrix M′. PCA, principal component analysis; SVD, singular value decomposition
