Frequently Approximately Satisfied
constraints
On a smooth
intensity
patch the
sides balance
the middle
The intensities in a typical
image satisfy many
different linear constraints
very accurately, and violate
a few constraints by a lot.
The constraint violations fit
a heavy-tailed distribution.
The negative log
probabilities of constraint
violations can be used as
energies.
-
-
+
Gauss
e
n
e
r
g
y
Cauchy
0