I am using PCA for dimension reduction .After some preprocessing i have stored my images in a matrix . In matrix i found that some of pixel value coming like NaN+NaNi . How to overcome with that so that covariance will b calculated .

1 view (last 30 days)
student
student on 20 Feb 2013
A is the matrix where all images are stored column wise in which NaN+NaNi is there . cov=A' * A. covariance matrix is full of NaN+NaNi so, further processing is not possible to find eigen values and eigen vector. Please reply soon i stucked on this step on my project work . Thank you

Sign in to answer this question.

Answers (0)

Categories

Find more on Dimensionality Reduction and Feature Extraction in Help Center and File Exchange

Tags

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!