Next: Rosenfeld and Weszka RW75
Up: Summary of four corner
Previous: Summary of four corner
Corner strength. -cosine of the angle between the -vectors
is used, which is defined as
|
(3) |
Selection procedure. Starting from
,
is decremented
until
stops to increase:
.
is then selected as the
best value for the point .
A corner is indicated in
if
for all
such that
,
where
is the best value of for the point .
Parameter. The single parameter
specifies the maximum
considered value of
as a fraction of the total number of curve points .
This limits the length of an arm at .
The default value is
.
Dmitry Chetverikov
1999-04-26