I need to compute PCA of a binary image

5 views (last 30 days)
I need to compute PCA of a binary image

Accepted Answer

Image Analyst
Image Analyst on 6 Apr 2018
I don't even know what that could possibly mean. In your mind, what might be the first principal component?
For what it's worth, I attach my demo converting an RGB color image into a 3 component PCA image. The initial components are the red, green, and blue values of the image pixels. You can plot them and then plot the PCA values in a scatter plot and see how PCA is a rotated version of the color gamut. I have no idea what it would be for a binary image because you have not told us your inputs. And you can't just say "they're the true or false values of the image" - that makes no sense.
  1 Comment
hadhami garbouge
hadhami garbouge on 6 Apr 2018
Thanks for your answer i need the pca for determination of Object Rotation in binary image so my input is binary image (black-white image) that i have my object rotate with pi/4 (ellipse)

Sign in to comment.

More Answers (1)

Abhishek Ballaney
Abhishek Ballaney on 6 Apr 2018
https://in.mathworks.com/help/stats/pca.html

Categories

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

Community Treasure Hunt

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

Start Hunting!