Visualization of quality of approximation of X given principal components.
X can either represent a single element (a single image or video), or a set of elements.
In the latter case, index controls which element of X to apply visualization to, if
unspecified it is chosen randomly.
INPUTS
U - [returned by pca] -- see pca
mu - [returned by pca] -- see pca
variances - [returned by pca] -- see pca
X - Set of images or videos, or a single image or video
index - [optional] If X is a set of images or videos, controls
- which image or video to apply visualization to
ks - [optional] ks values of k for pca_apply (ex. ks=[1 4 8 16])
filename - [optional] if specified outputs avis
show - [optional] will display results in figure(show) and figure(show+1)
OUTPUTS
M - [only if X ia a movie] movie of xhats (see pcaapply)
MDiff - [only if X ia a movie] movie of difference images
MU - [only if X ia a movie] movie of eigenmovies
DATESTAMP
29-Nov-2005 2:00pm
See also PCA, PCA_APPLY