shift_and_count(x_shift, y_shift, M, R)
that shifts matrix M
relative to matrix R
by (x_shift, y_shift)
and counts the overlapping 1
s.(x_shift, y_shift)
within the range [0, N-1]
.shift_and_count()
twice, once with img1
as M
and img2
as R
, and once with img2
as M
and img1
as R
.1
s.