why is TV applied here and not to the whole object?

[dboonz]

In mPIE, TV seems to be applied to every individual patch, instead of to the entire image at once. Why is that? Shouldn't it be after processing all your points?

PtyLab.m/engines/mPIE.m

Line 63 in 4b65177

% TV regularization

[sousanone]

where is apie？